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Ruby Not Heated

Platinum Ring  With 6.85 ct. NH Ruby and 4.12 ct. Diamonds
Platinum Ring  With 6.85 ct. NH Ruby and 4.12 ct. Diamonds

Platinum Ring With 6.85 ct. NH Ruby and 4.12 ct. Diamonds

By Joël Glecer / Orologio

Located in Antwerp, BE

Beautiful Platinum Ring With Amazing Color & Life 6.85 ct. NH Ruby and 4.12 ct. Diamonds Ruby: Purplish-Red Ruby Not Heated 6.85 ct.

Category

21st Century and Contemporary Belgian Artisan Engagement Rings

Materials

Diamond, Ruby, Platinum

Fine Vintage Ring with 4.72 ct Ruby & Diamonds, c. 1950
Fine Vintage Ring with 4.72 ct Ruby & Diamonds, c. 1950

Fine Vintage Ring with 4.72 ct Ruby & Diamonds, c. 1950

Located in Berlin, DE

Due to this combination of non-verbal, subtle symbolism with the exquisite quality of the stones and the masterful workmanship, we are delighted to present you with a very special gi...

Category

Vintage 1950s Post-War Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique
Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique

Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique

Located in Viena, Viena

red and white, synonym colors for love, that's why we decided to combinate pigeon blood rubies from Mozambique, a more passionate red is hard to find, 3 untreated (not heated) rubies...

Category

2010s Italian Modern Drop Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

Emilio Jewelry Certified 27.00 Carat No Heat Pigeons Blood Burma Ruby Bracelet
Emilio Jewelry Certified 27.00 Carat No Heat Pigeons Blood Burma Ruby Bracelet

Emilio Jewelry Certified 27.00 Carat No Heat Pigeons Blood Burma Ruby Bracelet

By Emilio!

Located in New York, NY

If it is a "pigeon blood red" ruby ​​bracelet that has not been heated, and crystallized almost perfectly, it is a rare opportunity in a lifetime.

Category

21st Century and Contemporary Retro Bracelets

Materials

Ruby

GIA CERTIFIED Burmese Ruby No-Heat Intense Vivid Red 3.40 Carats GIA-1216189087
GIA CERTIFIED Burmese Ruby No-Heat Intense Vivid Red 3.40 Carats GIA-1216189087

GIA CERTIFIED Burmese Ruby No-Heat Intense Vivid Red 3.40 Carats GIA-1216189087

Located in Miami, FL

Collateral: This Burmese intense red ruby gemstone is accompanied by a certificate report from the GIA laboratory number 1216189087 stating is a natural earth mined not-heated Burmes...

Category

Early 2000s Burmese Modern Loose Gemstones

Materials

Ruby

GIA 1.56 Carat Natural Unheated Ruby and Diamond Ring in Platinum
GIA 1.56 Carat Natural Unheated Ruby and Diamond Ring in Platinum

GIA 1.56 Carat Natural Unheated Ruby and Diamond Ring in Platinum

Located in La Jolla, CA

The Ruby originates from Burma (Myanmar) and has not been heated.

Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Ruby, Platinum

9.49 Carat No Heat Burmese Ruby Diamond Gold Earrings
9.49 Carat No Heat Burmese Ruby Diamond Gold Earrings

9.49 Carat No Heat Burmese Ruby Diamond Gold Earrings

Located in Beverly Hills, CA

Classy earrings featuring two oval rubies - 4.89-ct and 4.60-ct. The rubies come with a GIA Ruby Origin Report stating that the rubies are not heated and are of Burmese origin.

Category

Mid-20th Century Unknown Modern More Earrings

Materials

Ruby, White Diamond, 14k Gold, 18k Gold, White Gold, Yellow Gold

18k Gold High Quality 17.48ctw GIA Tourmaline Ruby Garnet Diamond Cocktail Ring
18k Gold High Quality 17.48ctw GIA Tourmaline Ruby Garnet Diamond Cocktail Ring

18k Gold High Quality 17.48ctw GIA Tourmaline Ruby Garnet Diamond Cocktail Ring

Located in Montclair, NJ

Comes with original GIA certification for the tourmaline, 1 randomly picked Ruby & 1 randomly picked Garnet. Stock Number: MK-170286713 --Tourmaline Certification Details:-- Laborat...

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Garnet, Ruby, Tourmaline, Gold, 18k Gold, White Gold, Rho...

RCM 18K White Gold GIA Baguette Ruby & Bezel Diamond Cluster 8.35ctw Earrings
RCM 18K White Gold GIA Baguette Ruby & Bezel Diamond Cluster 8.35ctw Earrings

RCM 18K White Gold GIA Baguette Ruby & Bezel Diamond Cluster 8.35ctw Earrings

By RCM

Located in Montclair, NJ

The earrings come with the original GIA certification for the rubies. Stock Number: MK-460219463-24012522-EY --Certification Details-- Laboratory: GIA Report Type: Ruby Origin Repor...

Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold

Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique
Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique

Schmuckzicke 18kt White Gold CRIMSON RED AAA+ Ruby & Diamond Necklace Mozambique

Located in Viena, Viena

red and white, synonym colors for love, that's why we decided to combinate pigeon blood rubies from Mozambique, a more passionate red is hard to find, 3 untreated (not heated) rubies...

Category

2010s Italian Modern Drop Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

Pigeon Blood Ruby & Diamond Pendant Necklace in 18K White Gold IGI Certificate
Pigeon Blood Ruby & Diamond Pendant Necklace in 18K White Gold IGI Certificate

Pigeon Blood Ruby & Diamond Pendant Necklace in 18K White Gold IGI Certificate

Located in Viena, Viena

high-quality pendant, no savings were made on the material, isn't it wonderfully fine and noble?a pigeon blood ruby ​​from Mozambique, a more passionate red is hard to find, an untre...

Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

18K Yellow Gold & Platinum GIA Oval Cabochon Ruby w/ Diamond Halo Cocktail Ring
18K Yellow Gold & Platinum GIA Oval Cabochon Ruby w/ Diamond Halo Cocktail Ring

18K Yellow Gold & Platinum GIA Oval Cabochon Ruby w/ Diamond Halo Cocktail Ring

Located in Montclair, NJ

Stock Number: MK-550346112-23052612-PAR-EY --Certification Details:-- Laboratory: GIA Report Number: 1226809912 Shape: Oval Cutting Style: Double Cabochon Transparency: Transparent ...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Platinum

3 Layer GIA 8.48-8.98mm Pearl Strands 18k Gold Calibre Cut Ruby Diamond Clasp
3 Layer GIA 8.48-8.98mm Pearl Strands 18k Gold Calibre Cut Ruby Diamond Clasp

3 Layer GIA 8.48-8.98mm Pearl Strands 18k Gold Calibre Cut Ruby Diamond Clasp

Located in Montclair, NJ

Comes w/ original GIA certification for the pearls and rubies. Stock Number: MK-710297933 --GIA Certification #1:-- Laboratory: GIA GIA Report Number: 5232459044 Shape: Near - round...

Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Pearl, Ruby, Gold, 18k Gold, Yellow Gold

18k Two Tone Gold 17.48ct GIA Pear Ruby & Diamond Large Drop Chandelier Earrings
18k Two Tone Gold 17.48ct GIA Pear Ruby & Diamond Large Drop Chandelier Earrings

18k Two Tone Gold 17.48ct GIA Pear Ruby & Diamond Large Drop Chandelier Earrings

Located in Montclair, NJ

The earrings come with the original GIA certification for 2 of the pear cut rubies. Stock Number: EG-490172586-21050719-EY -- Certification Details -- Laboratory: GIA Report Number:...

Category

2010s Unknown Chandelier Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold, Yellow Gold

Boucheron 1937 Paris Art Deco Bracelet 18Kt Gold and 5.44 Ctw Diamonds & Rubies
Boucheron 1937 Paris Art Deco Bracelet 18Kt Gold and 5.44 Ctw Diamonds & Rubies

Boucheron 1937 Paris Art Deco Bracelet 18Kt Gold and 5.44 Ctw Diamonds & Rubies

By Boucheron

Located in Miami, FL

The rubies are gems quality, not heated and Burmese origin.

Category

Vintage 1930s French Art Deco Retro Bracelets

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Recent Sales

Natural Mozambique ruby not treated not heated 4.05crts

Natural Mozambique ruby not treated not heated 4.05crts

Located in Lagos, NG

Natural Mozambique ruby translucent red not treated not heated 4.05 carat certificate available on request

Category

21st Century and Contemporary Still-life Sculptures

Materials

Precious Stone

Ruby Ring 14 Karat White Gold  Not Heated/ Not Treated Ruby, Certified Gem
Ruby Ring 14 Karat White Gold  Not Heated/ Not Treated Ruby, Certified Gem

Ruby Ring 14 Karat White Gold Not Heated/ Not Treated Ruby, Certified Gem

Located in Geneva, CH

Beautiful 14 K white gold ring, which represents a natural not heated and not treated certified natural ruby. The weight of the gem is 5.97 Carats.

Category

21st Century and Contemporary Swiss Modern Engagement Rings

Materials

Ruby, White Gold, 14k Gold

9.25 Not Heated Burma Ruby Certified White Pave Diamond  Emerald Cocktail Ring
9.25 Not Heated Burma Ruby Certified White Pave Diamond  Emerald Cocktail Ring

9.25 Not Heated Burma Ruby Certified White Pave Diamond Emerald Cocktail Ring

Located in Milan, IT

An extremely rare Burma ruby od 9.25 ct, no indication of thermal treatment, GRS Certified. White and yellow gold, diamonds pave, oval brilliant cut Burma ruby. Burma ruby: ct. 9.2...

Category

21st Century and Contemporary Italian Contemporary Fashion Rings

Materials

Diamond, Emerald, Ruby, 18k Gold

2.46 Carat Ruby Ring AGL Certified
2.46 Carat Ruby Ring AGL Certified

2.46 Carat Ruby Ring AGL Certified

Located in La Jolla, CA

The ruby comes with an AGL document certifying that the ruby has not been heated and that it has Thai provenance.

Category

20th Century Thai Cocktail Rings

Materials

Ruby

18 Karat Yellow Gold Brooch, Set with Natural Ruby's
18 Karat Yellow Gold Brooch, Set with Natural Ruby's

18 Karat Yellow Gold Brooch, Set with Natural Ruby's

Unavailable

W 1.82 in D 0.28 in L 1.19 in

18 Karat Yellow Gold Brooch, Set with Natural Ruby's

Located in Heerlen, NL

- 18K. yellow gold weight: 10.08 grams - 6 ruby's = 0,40ct (not heated) - 1 diamonds (briljant) = 0,04crt VSI-F - Italy ca 1950 makers mark: 330AL = Valenza Italy

Category

Vintage 1950s Italian Post-War Brooches

Materials

Diamond, Ruby, Yellow Gold

French 18 Karat Yellow Gold Cabochon No Heat Ruby and Pave Diamond Ring
French 18 Karat Yellow Gold Cabochon No Heat Ruby and Pave Diamond Ring

French 18 Karat Yellow Gold Cabochon No Heat Ruby and Pave Diamond Ring

Located in New York, NY

It is estimated that only 2 to 3 percent of the worlds rubies are not heated, making this a truly rare find!

Category

Vintage 1980s French Contemporary Fashion Rings

Materials

Ruby, Diamond, 18k Gold

6.14 Carat Mozambique Pigeons Blood Ruby Ring and Earrings Set in 18K White Gold
6.14 Carat Mozambique Pigeons Blood Ruby Ring and Earrings Set in 18K White Gold

6.14 Carat Mozambique Pigeons Blood Ruby Ring and Earrings Set in 18K White Gold

Located in Central, HK

This set certifies that all 3 oval shape rubies are Mozambique Pigeon's Blood rubies that have not been artificially heated.

Category

21st Century and Contemporary Hong Kong Contemporary Stud Earrings

Materials

Diamond, White Diamond, Ruby, 18k Gold, White Gold

1.06 Carat Natural Ruby Halo Ring 23 Points VS/G Diamonds Set in 18 Karat Gold
1.06 Carat Natural Ruby Halo Ring 23 Points VS/G Diamonds Set in 18 Karat Gold

1.06 Carat Natural Ruby Halo Ring 23 Points VS/G Diamonds Set in 18 Karat Gold

Located in Kiara, AU

The stone has been tested by the Emil Gem Laboratory (Japan) in Bangkok who find it to be a natural Ruby that has been subjected to heating. Rubies that have not been heated are in ...

Category

2010s Australian Contemporary Cluster Rings

Materials

Ruby, 18k Gold

Diamond and Ruby Eternity Wedding Band 18 Karat White Gold
Diamond and Ruby Eternity Wedding Band 18 Karat White Gold

Diamond and Ruby Eternity Wedding Band 18 Karat White Gold

Located in Tarzana, CA

Width: 6 mm Diamonds: 3 Carat Asscher cut D VS Rubies: %100 natural not heated 5 carats Could be order in yellow & rose gold.

Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, 18k Gold

18kt Yellow Gold No Heat 4.85cts Ruby and Diamond 3 Stone Ring
18kt Yellow Gold No Heat 4.85cts Ruby and Diamond 3 Stone Ring

18kt Yellow Gold No Heat 4.85cts Ruby and Diamond 3 Stone Ring

Located in Rehoboth Beach, DE

This Stone is Deep Vibrant Red in Color. The Ruby is Not Heated nor Color Treated. The Ring Also Contains Two (2) Trillion Cut Diamonds Weighing .90cts in Total Carat Weight.

Category

21st Century and Contemporary Thai Contemporary Three-Stone Rings

Materials

18k Gold

3.10 Carat Burma Not Heated Ring
3.10 Carat Burma Not Heated Ring

3.10 Carat Burma Not Heated Ring

Located in Monte Carlo, MC

Ring in white and yellow gold set with a 3,10 carats ruby not heated with two triangle diamonds on its side.

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, White Gold, Yellow Gold

IGI Certified 3.87ct Not-Treated Thai Ruby 1.71ct Diamonds Platinum Ring
IGI Certified 3.87ct Not-Treated Thai Ruby 1.71ct Diamonds Platinum Ring

IGI Certified 3.87ct Not-Treated Thai Ruby 1.71ct Diamonds Platinum Ring

Located in Hong Kong, HK

AMAZING Platinum Ring showcasing a 3.87ct Natural, Not-Heated Thai Ruby accented by 1.71ct Natural Diamonds.

Category

21st Century and Contemporary Hong Kong Cocktail Rings

Materials

Diamond, Ruby, Platinum

Antique Natural Burmese Star Ruby Cabochon Signet Ring, ca. 1860s
Antique Natural Burmese Star Ruby Cabochon Signet Ring, ca. 1860s

Antique Natural Burmese Star Ruby Cabochon Signet Ring, ca. 1860s

Located in Idar-Oberstein, DE

An antique signet ring with a natural Burmese star ruby cabochon, ca. 1860s. The uniquely longish cabochon shaped ruby weighs 3.18ct, is natural (not heated) and of Burmese origin ...

Category

Antique 19th Century Signet Rings

Materials

Ruby, Star Ruby, 22k Gold

Victorian Diamond and Ruby Dove Brooch, circa 1880s
Victorian Diamond and Ruby Dove Brooch, circa 1880s

Victorian Diamond and Ruby Dove Brooch, circa 1880s

Located in Idar-Oberstein, DE

From its beak hangs a facetted round shaped natural, not heated, ruby of Burmese origin. The ruby weighs approximately 0.80 carat.

Category

Antique 1880s Victorian Brooches

Materials

Diamond, Ruby, 14k Gold, Silver

GIA Natural Unheated Ruby in Custom French Platinum Diamond Mounting
GIA Natural Unheated Ruby in Custom French Platinum Diamond Mounting

GIA Natural Unheated Ruby in Custom French Platinum Diamond Mounting

By Sebastien Barier

Located in San Francisco, CA

This truly exquisite French Platinum and Diamond Ring showcases an exceptional .90 carat rich red Natural Ruby. This fine Brilliant Cushion Step Cut stone comes with GIA report #2121...

Category

2010s French Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

18K Gold Hemmerle Natural Ruby and Emerald Cuff Bangle
18K Gold Hemmerle Natural Ruby and Emerald Cuff Bangle

18K Gold Hemmerle Natural Ruby and Emerald Cuff Bangle

By Hemmerle

Located in Idar-Oberstein, DE

The two fine red ruby drops are natural (not-heated) and weigh circa 8 carats together and the two intense green emerald drops weigh circa 5 carats together (certified by DSEF).

Category

Late 20th Century German Cuff Bracelets

Materials

Emerald, Ruby, 18k Gold

GIA 1.94 Unheated Ruby Pendant Necklace with Round Diamonds in Platinum
GIA 1.94 Unheated Ruby Pendant Necklace with Round Diamonds in Platinum

GIA 1.94 Unheated Ruby Pendant Necklace with Round Diamonds in Platinum

Located in La Jolla, CA

The Ruby originates from Mozambique and has not been heated.

Category

21st Century and Contemporary North American Pendant Necklaces

Materials

Diamond, Ruby, Platinum

Mid-Century GIA 1.10 Carat No Heat Ruby Diamond Platinum Cocktail Ring
Mid-Century GIA 1.10 Carat No Heat Ruby Diamond Platinum Cocktail Ring

Mid-Century GIA 1.10 Carat No Heat Ruby Diamond Platinum Cocktail Ring

Located in Beverly Hills, CA

One Mid Century GIA No Heat Ruby Diamond Platinum Cocktail Ring. Featuring one GIA certified ruby of approximately 1.10 carats, accompanied with certificate #2225424658 stating the r...

Category

Vintage 1950s Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum AGL 5.00ctw Cabochon No Heat Burma Ruby & Diamond Flower Clip Earrings
Platinum AGL 5.00ctw Cabochon No Heat Burma Ruby & Diamond Flower Clip Earrings

Platinum AGL 5.00ctw Cabochon No Heat Burma Ruby & Diamond Flower Clip Earrings

Located in Montclair, NJ

This pair comes with the original AGL certification which guarantees that the ruby stones are 100% natural, not heated, and originated from Burma.

Category

Late 20th Century Unknown Clip-on Earrings

Materials

Diamond, Ruby, Platinum

Platinum AGL Burma No Heat Red Ruby W/ Half Moon Diamond 3 Stone Ring
Platinum AGL Burma No Heat Red Ruby W/ Half Moon Diamond 3 Stone Ring

Platinum AGL Burma No Heat Red Ruby W/ Half Moon Diamond 3 Stone Ring

Located in Montgomery, AL

The center is a Burma red ruby that has not been heated or treated in any way.

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Ruby, Platinum

MAUBOUSSIN 1938 Trabert & Hoeffer Pendant-Brooch 18Kt Gold & Burmese Rubies
MAUBOUSSIN 1938 Trabert & Hoeffer Pendant-Brooch 18Kt Gold & Burmese Rubies

MAUBOUSSIN 1938 Trabert & Hoeffer Pendant-Brooch 18Kt Gold & Burmese Rubies

By Mauboussin

Located in Miami, FL

Collateral: This brooch is accompanied by the GIA laboratory report stating the rubies are natural Burmese, transparent and not heated.

Category

Vintage 1930s French Retro Brooches

Materials

Diamond, Ruby, White Diamond, Gold, Yellow Gold, 18k Gold

GIA Certified No Heat Burma Carved Ruby Diamond Cocktail Rose Gold Ring
GIA Certified No Heat Burma Carved Ruby Diamond Cocktail Rose Gold Ring

GIA Certified No Heat Burma Carved Ruby Diamond Cocktail Rose Gold Ring

By OGI Ltd

Located in New York, NY

14 karat rose gold ring set with no heat carved Burma Ruby with foliate motif Ruby weighing 4.34 carats GIA certificate #5221712556f GIA certificate stating Not heated Ruby is set i...

Category

2010s American Contemporary Cluster Rings

Materials

Diamond, Ruby, Gold, 14k Gold, Rose Gold

18k Gold 5.45ctw GIA Oval Red Ruby & Diamond Flower Halo Fancy Cocktail Earrings
18k Gold 5.45ctw GIA Oval Red Ruby & Diamond Flower Halo Fancy Cocktail Earrings

18k Gold 5.45ctw GIA Oval Red Ruby & Diamond Flower Halo Fancy Cocktail Earrings

Located in Montclair, NJ

The GIA certification guarantees that these rubies are 100% natural with one being heated only and the other with no indications of heating.

Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 18k Gold, Rose Gold, White Gold

Bailey, Banks & Biddle 1880 Enamel Etruscan Queen Pendant 18kt Gold Ruby Diamond
Bailey, Banks & Biddle 1880 Enamel Etruscan Queen Pendant 18kt Gold Ruby Diamond

Bailey, Banks & Biddle 1880 Enamel Etruscan Queen Pendant 18kt Gold Ruby Diamond

By Bailey, Banks & Biddle

Located in Miami, FL

The rubies are Burmese, translucents and not heated.

Category

Antique 1880s American Etruscan Revival Brooches

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Enamel

GIA Certified 1.56ct Burma Not-Heated Ruby 0.60ct Natural Diamonds Platinum Ring
GIA Certified 1.56ct Burma Not-Heated Ruby 0.60ct Natural Diamonds Platinum Ring

GIA Certified 1.56ct Burma Not-Heated Ruby 0.60ct Natural Diamonds Platinum Ring

Located in Hong Kong, HK

Immerse yourself in timeless luxury with our platinum ring, certified by GIA laboratory, boasting a 1.56-carat oval Burma not-heated natural ruby in a mesmerizing purplish-red hue.

Category

21st Century and Contemporary Hong Kong Three-Stone Rings

Materials

Diamond, Ruby, Platinum

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Ruby Not Heated For Sale on 1stDibs

On 1stDibs, you can find the most appropriate ruby not heated for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and yellow gold. You can easily find a 67 antique edition and 54 modern creations to choose from as well. Making the right choice when shopping for a ruby not heated may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Finding an appealing ruby not heated — no matter the origin — is easy, but Antinori Fine Jewels, Ella Gafter and Cartier each produced a popular version that is worth a look. A ruby not heated of any era or style can lend versatility to your look, but a version featuring ruby, from our inventory of 83, is particularly popular. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and brilliant cut alternatives. Finding a ruby not heated for sale for women should be easy, but there are 37 pieces available to browse for unisex as well as men, too.

How Much is a Ruby Not Heated?

The price for a ruby not heated starts at $1,374 and tops out at $375,000 with these rings, on average, selling for $9,943.

The Legacy of Ruby in Jewelry Design

This deep red gem is the color of heat and passion — vintage and antique ruby jewelry is perfect for those born in the middle of summer.

Rubies are one of the few gemstones that can give diamonds a run for their money. Just consider the Van Cleef & Arpels “scarf” necklace the Duke of Windsor presented to the Duchess on her 40th birthday, in 1936 — set with diamonds and dripping with rubies, a testament to the deep-red gemstone’s power — or the slippers encrusted with 4,600 rubies that Harry Winston made to commemorate The Wizard of Oz’s golden anniversary. July babies have permission to adorn themselves with this beautiful red stone even when it’s not their birthday.

Rubies are considered precious stones — along with diamonds, sapphires and emeralds — and have a hardness of 9.0 on the Mohs Scale, surpassed only by Moissanite and diamonds. They are composed of corundum, a colorless mineral that is also the basic material of sapphires. In the July birthstone, the red of the gemstone — and the various hues seen in sapphires — are produced by the presence of trace elements. In the case of a ruby, this element is chromium. Rubies range in color from vermilion to a violet red. They are also pleochroic, which means that a stone’s hue can vary depending on the direction of viewing. The most sought-after color is pigeon’s blood: pure red with a hint of blue.

Rubies that are hosted in dolomite marble are the most prized: Because the marble is low in iron, so are the rubies, resulting in a more intense color. Rubies found in basalt, which has a higher iron content, are generally darker and less intense.

When shopping for antique and vintage ruby jewelry, remember that the 4Cs of selecting the perfect diamond — color, clarity, cut and carat — also apply to rubies.

According to the Gemological Institute of America, the color of the July birthstone should be a vibrant to slightly purplish red, and the stone should be clear and inclusion-free. Accordingly, the cut should show off its color and clarity. As for the last criterion, fine rubies more than a carat in weight are rare. Often, large rubies are more expensive than diamonds of comparable weights.

Find a collection of ruby necklaces, ruby rings and other accessories on 1stDibs.

Questions About Ruby Not Heated

  • A heated ruby is a ruby wherein 1600 - 1700 degrees centigrade of heat is applied to the stone to improve it's color, luster, and/or clarity. This is a common method for most rubies is not a bad at all. What makes unheated rubies valuable is their rarity. To find a beautiful ruby that does not need heat to improve it's beauty is very rare and highly unlikely.
  • 1stDibs ExpertApril 5, 2022
    Yes, Burmese rubies are heat treated. Most rubies are heat treated directly at the mines because the treatment enhances the value and quality of the ruby. Shop a wide collection of Burmese ruby pieces as well as other fine jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A no-heat sapphire is a sapphire gemstone in its natural state. It differs from sapphires that undergo heat treatment to enhance their surface. Generally, no-heat sapphires are smoother, while heated sapphires are harder and more lustrous. Shop a range of sapphire gemstone jewelry on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    Yes, sapphires conduct heat. In fact, a real one won't melt until it reaches a temperature of 3,711 degrees F. As a result, one way that experts test sapphires to determine if they are real is to heat them to high temperatures. Find a collection of sapphire gemstone jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Whether or not terracotta pots can withstand heat depends on how well they are made and cared for. A finely crafted pot can usually hold up in the face of high temperatures. If you intend to cook with one, season it with cooking oil to increase its durability. Shop a collection of terracotta pots on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    No, not all fireplaces need a heat shield. However, a heat shield can enhance the visual appearance of the space while also protecting the room. Carefully measure your fireplace to ensure the best fit. Shop a wide range of heat shields and fireplace inserts on 1stDibs.
  • 1stDibs ExpertMarch 31, 2023
    There is no single mug type or brand of mugs that holds heat best. While materials do play a role in determining how well mugs hold hot beverages at temperature, other factors like whether the metal is insulated, how well the mug is crafted and how tightly the lid fits also have an impact. Find an assortment of mugs on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    The best way to tell if a ruby is a pigeon’s blood ruby is to take the gemstone to a licensed jewelry appraiser. Although you can attempt to identify the stone from its coloration, an expert can give you a more definitive answer. You'll find a wide variety of expertly vetted ruby gemstone jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A ruby cabochon refers to a type of cut with a dome top, and sometimes a dome bottom as well. The dome shape shows off the color purity of rubies and other gemstones without extinctions being present. Shop a wide range of ruby cabochon jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    A ruby is a common stone used in jewelry. The benefits of wearing a ruby stone includes inducating the feelings of love, warmth, and compassion in the heart.
  • 1stDibs ExpertApril 5, 2022
    A Madagascar ruby is mined from the island of Madagascar. The island is known to have a wealth of ruby deposits. The rubies found here can be quite large, have good clarity and are an intense, medium-to-deep red color. Shop a variety of Madagascar ruby jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A Thai ruby is a deep red corundum gemstone that originates from mines located in Thailand. You will sometimes see them referred to as Siamese rubies because the country was known as Siam until 1939. Find a variety of Thai ruby gemstone jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Yes, rubies can be pink. While the most common and recognizable color for a ruby is red, a ruby can also be purple, pink, and orange.
  • 1stDibs ExpertFebruary 22, 2021
    Yes, rubies can be quite expensive. Rubies of exceptional quality have recorded prices of over $1,000,000 per carat.
  • 1stDibs ExpertApril 5, 2022
    A Burmese ruby is a precious gemstone that ranges in color from dark pink to bright red. They come from the country of Myanmar, formerly called Burma. Find a variety of Burmese ruby gemstone jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Pigeon blood rubies are brilliantly red rubies with a hint of blue undertones that are found in Burma, which is now known as Myanmar. They are thought to be some of the finest rubies in the world. Shop a range of authentic pigeon blood rubies on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Burmese rubies are the most prized rubies in the world because of their brilliant red color. Often known as "pigeon's blood," the rich red of a Burma ruby is one of the first signs of a ruby's identity. Due to their high value, it's important to purchase from a vetted seller to ensure authenticity. On 1stDibs, you’ll find a collection of authentic vintage and contemporary Burmese ruby jewelry from some of the world's top sellers.
  • 1stDibs ExpertFebruary 22, 2021
    Among all of the varieties of rubies, Burmese are typically the most expensive, costing about $10,000 per carat. The most expensive Burmese ruby ever sold was more than one million dollars.
  • 1stDibs ExpertApril 5, 2022
    To sell a loose ruby, you have a few options. You can have the stone evaluated by a licensed appraiser and then find a buyer in your local area. Another option is to work with a jeweler or auction house. Alternatively, you can list the gem on a reputable online platform. Shop a variety of loose gems on 1stDibs.
  • 1stDibs ExpertAugust 17, 2021
    A ruby ring symbolizes love, especially passionate love. A ruby ring also tends to carry connotations such as wealth and success. Find a range of antique and vintage ruby rings on1stDibs.