20th Century Loose Gemstones

Stone: Colombian Emerald Total Weight: 1.26 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.99 mm x 6.48 mm x 3.83 mm . G...

Stone: Colombian Emerald Total Weight: 0.44 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 4.72 mm x 4.33 mm x 3.03 mm Geo...

Stone: Colombian Emerald Total Weight: 1.03 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 7.18 mm x 5.45 mm x 3.84 mm Ge...

Stone: Colombian Emerald Total Weight: 2.33 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 7.82 mm x 7.60 mm x 6.35 mm Ge...

Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this exquisite GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire, a true gem o...

Showcasing exceptional artistry and natural beauty, this Colombian crystallized emerald is masterfully carved into an elegant leaf motif, weighing an impressive 22.73 carats and meas...

Stone: Colombian Emerald Total Weight: 1.39 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.93 mm x 6.47 mm x 4.55 mm G...

An oval carved double-sided cabochon emerald weighing 53.64 carats, certified by GIA (Gemological Institute of America), can be considered rare and valuable Comments: Due to their gr...

Hand-carved circular jade plaque featuring blooming peonies (or roses) and foliage in relief. Pale yellowish-celadon jade with natural warm mottling. A classic Chinese motif symboliz...

Stone: Colombian Emerald Total Weight: 2.00 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 7.90 mm x 7.20 mm x 5.62 mm Ge...

An extraordinary antique Chinese carved natural treated jadeite snuff bottle featuring richly mottled emerald green and pale celadon-white coloration with areas of attractive translu...

Stone: Colombian Emerald Total Weight: 0.47 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.00 mm x 4.25 mm x 3.01 mm Ge...

A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT 6224671008 Natural star rubies are relatively rare and...

Stone: Colombian Emerald Total Weight: 0.73 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.23 mm x 5.12 mm x 3.45 mm Ge...

Type: Natural Star Sapphire Weight: 5.32 Carats Measurements: 9.15 x 7.66 x 7.18 mm Transparency: Translucent Color: Blue Phenomenon: Displaying Asterism (Star Effect) GIA Report Num...

Rare, Large, Loose, Natural Diamond with official GIA Certificate and a hint of yellow color. This Desert diamond is the current popular trend in 2026. It is 7.20 Carats with a Round...

Introducing an Exquisite 8.06 Carat GIA Certified Natural Cabochon Burma Sapphire - A Rare Gem of Unparalleled Beauty Discover the allure of this mesmerizing 8.06 carat GIA-certified...

GIA certified oval cabochon cut huge purple star sapphire. A fine and huge natural not-heated Purple Star-Sapphire weighing 35.48 carats, this exceptional gemstone displays remarkab...

Stone: Colombian Emerald Total Weight: 5.44 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 10.91 mm x 10.34 mm x 6.77 mm G...

Stone: Colombian Emerald Total Weight: 0.45 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 4.90 mm x 4.34 mm x 3.01 mm Geo...

A refined collection of five natural emeralds, offered as loose gemstones in a variety of elegant shapes and sizes. This versatile parcel totals 2.78 carats, making it ideal for besp...

An exceptional and highly collectible GIA-certified natural Burma sapphire featuring a beautifully carved oval form, weighing an impressive 8.05 carats. This rare gemstone displays a...

Stone: Colombian Emerald Total Weight: 0.80 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.47 mm x 5.04 mm x 3.71 mm Ge...

The Asscher Cut is one of my favourites, and this 1.01 carat stone is beautifully displays its gorgeous clean lines and sparkle with VVS2 clarity and H colour (GIA Certified)  which ...

Hakimoto Pair Of 18 mm Round Silver Naget Tahiti Baroque Pearl 14.2 Grams Aproximate

A refined and highly collectible pair of natural green jadeite carvings, offered loose and unset, showcasing the purity and integrity prized in fine jade. These stones are certified ...

Stone: Colombian Emerald Total Weight: 1.10 carat Shape: Emerald Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.46mm x 4.11mm x 3.05mm And 5.15...

Stone: Colombian Emerald Total Weight: 1.97 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 7.97 mm x 7.60 mm x 4.60 mm Ge...

Stone: Colombian Emerald Total Weight: 0.45 carat Shape: Square Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 4.82 mm x 4.74 mm x 2.58 mm Geogr...

GIA certified no-heat Pailin sapphire. This is a rare and natural not-heated vivid blue Sapphire weighing 1.04 carats, this exceptional gemstone displays remarkable quality, beauty,...

Shape/Cut: Princess Clarity: I1 Color: E Dimensions (mm): 4.94 X 4.72 X 3.69 Weight: 0.77ct EGL USA Report Number: US 42746215D (the diamond is laser inscribed but we do not hav...

1.08 carat old-mine cut diamond. GIA graded E color, VS1 clarity. GIA grading report number is 1236538153. Comes with a full certificate.

Stone: Colombian Emerald Total Weight: 0.86 carat Shape: square Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 4.54mm x 4.48mm x 3.15mm and 4.46m...

Rarity is an essential factor in determining the value of gemstones. Natural citrines are rarer than amethysts or smoky quartz because they occur less frequently in nature. The abse...

Stone: Colombian Emerald Total Weight: 0.58 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.53 mm x 4.65 mm x 3.46 mm Ge...

A truly unique and captivating 4.38-carat Old European Cut diamond, GIA certified with VS2 clarity. This exceptional antique-style stone possesses the charm and character of a bygone...

Loose Natural Aquamarine – 10.01 Carats (Emerald Cut, EGL Certified, Heated) An exceptional natural aquamarine gemstone, presented as a loose stone and expertly fashioned in a sophi...

1.90 Carat Brazilian Green Tourmaline Rectangle Mixed cut

GIA certified round cabochon cut Italian coral. An exceptionally rare and impressive natural Italian coral weighing 46.95 carats, this remarkable gemstone exhibits outstanding quali...

This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful white face up) and VS1 Clarity (Loupe Clean). The high quality of its cut let the ...

Stone: Colombian Emerald Total Weight: 2.39 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green size : 7.84 mm x 6.97 mm x 6.44 mm. Measureme...

Stone :Colombian Emerald Total Weight: 0.89 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.47mm x 4.41mm x 2.67mm And ...

Faceted Spessartite Garnet Weight: 4.55 Carats Dimension: 10.86 x 8.48 x 5.08 Mm Shape: Cushion Origin: Madagascar Color: Vivid Orange Certificate: On Demand Spessartine is a ma...

Stone: Colombian Emerald Total Weight: 1.51 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 7.22 mm x 6.40 mm x 4.67 mm . G...

Stone: Colombian Emerald Total Weight: 0.60 carat Shape: Square Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.64 mm x 4.87 mm x 3.18 mm Geogr...

Loose .57 carat emerald cut diamond. GIA graded F color, VS1 clarity, good cut. Very high quality stone. GIA grading report number is 2223722910. Comes with full grading lab certific...

Hakimoto By Jewel Of Ocean Round South Sea Pearl Pair of 17.5 mm White 16.7 Grams Australian South Sea Pearl Aproximate

Round brilliant cut, 1.19 carat. GIA graded J color, Vs1 clarity, good symmetry. 57% table size is very good for brilliance. Faces up very attractive and brilliant. GIA lab gradin...

Immerse yourself in the captivating beauty of this stunning natural imperial green jade donut pendant. Crafted from the finest Type-A Myanmar jadeite jade, this pendant is a true mas...

Stone: Colombian Emerald Total Weight: 0.77 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 6.03 mm x 5.00 mm x 3.72 mm Geo...

An exceptional GIA Certified Natural Ruby originating from the legendary mines of Burma (Myanmar), this rare 3.59 carat loose gemstone showcases the rich character and collectible ap...

A beautiful set of three vintage heart cut amethyst gemstones. Great quality, rich and deep purple amethysts, genuine vintage from the 60s era, mid century when bold and colourful p...

Exceptional 42.82 Carat Old European Diamond Layout – GIA Certified An extraordinary collection of 19 Old European cut diamonds, totaling an impressive 42.82 carats. This meticulous...

Brazilian Tourmaline 8.7Ct lovely color translucent teardrop shape cabochon

GIA certified 2.01 carat elongated cushion modified brilliant cut natural diamond, G color and SI2 clarity, with an 8.01 x 6.33 x 4.76mm measurement and a 1.26 length-to-width ratio....

4.72ct Brazilian blue gray marquis shape tourmaline unique Brazilian tourmaline

TO U.S.A BUYERS: DON’T SWEAT ABOUT 15% TRUMP’S TARIFF - WE COVER IT BY GIVING YOU 15% DISCOUNT! This Australian Loose Solid Opal is of impressive 7.50ct (27mm x 12mm) from Lightn...

Antique Roman style hardstone intaglio gemstone - hand carved male warrior in profile - approximately 8.45 carats - unset (loose) - unsigned - Europe - early 20th century. Excellent...

Stone: Colombian Emerald Total Weight: 0.45 carat Shape: Octagonal Cut Clarity: Transparent Luster: Very Good Color: Medium Bluish Green Measurements: 5.06 mm x 4.41 mm x 2.72 mm Ge...

Gemstone Details: Bicolor Blue Green Tourmaline Pair Weight 3.0 carats Dimension 7.8*5.4*4.1 mm Origin Nuristan Afghanistan Treatment None Transparency slightly inclusion (visib...