Platinum More Necklaces

Flexible diamond "collier de chien" made out of platinum and set with rose diamonds. Nine oval links alternate with nine double bows to form an exquisite choker. The collar is modell...

This elegant platinum feather design necklace features round brilliant and marquise diamond vanes emanating from a quill of carefully selected graduating baguettes brought wonderfull...

This spectacular necklace is built around 22 oval-cut Burma rubies ranging in size from approximately 2.50 carats to 0.95 carats totalling approximately 38 carats. The rubies exhibit...

Tiffany & CO signed for authenticity 5 Ct Natural Colombian Emeralds, 12 total 12 Ct Natural Diamonds, 14 Pear-shaped, 30 Brilliant cut ranging from 5 to 60 pointer All VS quali...

Gumuchian is a family business run by a mother with her two daughters. They are carrying the family legacy in the jewelry industry that dates back over 100 years. Their motto is "Des...

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This stunning 18k Yellow Gold has an array of mixed gemstones that pop in color. This necklace features 207 princess cut gemstones...

rewrite following AGL certified Pear Shape Colombian Emerald & Diamond Necklace & Earring Bridal Suite Platinum Color: Deep Green, Transparent extreme Fine Color Quality ( Natural emeralds are commonly enhanced: but this one is only Minor clarity enhancement , which is considered as very high quality) A magnificent emerald and diamond fringe necklace, Vivid green emeralds spaced with brilliant-cut diamonds, suspending 14 fine Colombian emeralds set in diamond...

An extraordinary diamond necklace showcasing 79.26 carats of natural emerald-cut diamonds, meticulously graduated and selected for exceptional color, clarity, and consistency. The n...

This stunning Certified necklace features a captivating design that showcases vibrant oval-cut rubies, known for their rich red hue. The piece is intricately crafted and accentuated ...

This stunning necklace features a captivating design that showcases vibrant oval-cut emeralds, known for their rich green hue. The piece is intricately crafted and accentuated by a c...

An exquisite statement Bow Brooch/Pendant necklace featuring an oval cut natural Colombian emerald weighing 16.16 carats set in a ribbon motif brooch. The ribbon is set with tapered ...

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a platinum, custom-made, champagne diamond anniversary necklace...

Necklace consisting of 4 rows of round pearls white orient, in fall. Two platinum spacers with openwork floral designs are set with rose-cut and antique brilliant-cut diamonds, all in millegrain setting. The clasp, ratchet with safety "8", is in 18 karat white gold, eagle head hallmark and also adorned with 2x7 rose-cut diamonds. Presented in an antique case marked Boucheron inside and embossed on the top "Liliane 20-27 May 1928". Diameter of the pearls : from 2/2,5 mm to 2,5/3 mm approximately. Fine pearls certified by the French laboratory of gemology. Width of the patterns : 15,5 mm approximately, height : 12,5 mm approximately, thickness : 2,3 mm approximately. Length : from 33 cm approximately to 36,5 cm approximately. Necklace recommended for a neck measuring about 33 cm in circumference. Authentic antique jewel - French work circa 1928. Our opinion : This type of antique...

A vintage sapphire and diamond convertible tiara necklace. An exceptional vintage sapphire and diamond convertible tiara and necklace set, ...

A luxurious necklace, showcasing pear shape and marquise cut diamonds weighing a stunning 115.20 carats total, set in an intricate open-work design. Finely made with platinum. Perfec...

Sensational diamond necklace finely crafted in Platinum and 18 karat yellow gold, featuring Fancy Intense yellow diamonds and white diamonds weighing approximately 80.81 carats total...

An incredible piece! Over 60 carats of diamonds set in a classic design, this necklace is an amazing piece to add to any collection. 63.29 carats of pear, marquise and round bril...

A stunning high quality Burma Ruby and Diamond Necklace. 39.30 carats of fine Burma Ruby graduated to an over 4 carat center Ruby. ...

Important exquisite grand natural diamond floral platinum necklace, high jewelry circa 1950's. 354 total diamonds, approximately 60 carats total. 146 round diamonds approximately F/G...

A whimsical and dynamic burst of color beckons with approximately 125 precious and semi-precious cabochon colored gems totalling approximately 1,065 carats and approximately 125 roun...

Extraordinary necklace from Diana M. Jewels set with round cut graduated diamonds totaling more than 95.00 Carats, centering on a stunning 10.00 Carat round shape diamond.

A beautiful and important yellow diamond necklace with yellow diamond drop. 31.86 carats of yellow diamonds and 68.35 carats of white d...

This beautiful example of the Belle Epoque style features 5.8 Carats of Old Mine Cut, Briolette Cut, and Single Cut diamonds set in platinum and adorned with millegrain and lattice w...

Seriously Important Platinum and Diamond Necklace 45.00 Carats. Introducing the Lady's Platinum Diamond Necklace, a stunning piece of jewelry that exudes elegance and luxury. Crafte...

This elegant platinum necklace features diamonds cut in marquise, pear, trilliant, round, oval, emerald and heart shapes. Weighing approximately 66 c...

Cross in platinum, dog head hallmark. This platinum cross is set with 6 modern brilliant- cut diamonds. Total weight of the diamonds : 1.01 carat approximately. Height : 17,6 mm, wid...

A beautiful pendant necklace, showcasing a 5.01 carats heart shape diamond certified by GIA as H color and VS2 clarity. Accented by a halo of 27 round brilliant cut diamonds weighing...

A bold solitaire pendant necklace, showcasing a 9.17 carats round brilliant cut diamond certified by GIA as S-T color and VVS2 clarity, set on a four prong setting. Finely made with ...

An Incredible Belle Époque Diamond Pendant Necklace Brooch. Round old-cut and single-cut diamonds, seed pearl, platinum, detacha...

Sterling Silver Round CZ Station Chain Necklace A long and elegant platinum rhodium plated sterling silver chain is embellished with hand bezel-set faceted simulated diamond cz (0.2...

Circa 1990s Tiffany & Company Platinum Open Heart Necklace, the heart measuring 1 1/8 X 1 1/8 inches and is set with Fine White Round Brilliant cut Diamonds totaling 2 Carats. Suspended from a 16 inch Platinum link chain, both the Heart and chain are Tiffany signed. Comes in a Tiffany Presentation...

This elegant Harry Winston necklace features a classic line of brilliant-cut diamonds, culminating in a graceful cascade of larger pear-shaped and marquise diamonds that form a capti...

This spectacular platinum vintage necklace is centered with 11 genuine Pear cut Dangling Dazzling Diamonds approx: 7.45cttw, H-I color, all Pear Shapes are VS1-VS2, except one Pear SI...

Incredible diamond graduated riviera diamond necklace crafted in hand made platnium, showcasing extraordinary ideal oval shaped diam...

A wonderful drop necklace, featuring a 1.38 carats round brilliant cut diamond, bezel-set in platinum. Accented by mixed-cut sapphires weighing 1.60 carats total, set in a floral mot...

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. Exceptionally elegant and ravishingly gorgeous. This lavish Tahitian black pearl and diamond...

Platinum diamond Riviera tennis necklace set with 78 round brilliant diamonds totaling approximately 53.71 carats. The design features a beautifully graduated line of diamonds, culmi...

Platinum Colombian Emerald and diamond necklace, consisting of one large approximately 16 Carat Emerald cut Colombian Emerald with round brilliant cut diamonds surrounding it . The Necklace is made with Buggetts and round diamonds . All prong set diamonds, with a total carat weight of 22 carats, F-G color, VS1, VS2 clarity with no color enhancement. Platinum 130 Grams Emerald: 16 ct...

A gorgeous pendant necklace, showcasing 3.75 carats total of round brilliant cut diamonds, set in a heart shape three-dimensional design. Finely made with platinum and suspended on a...

A rare diamond necklace, showcasing one row of graduating radiant cut diamonds weighing 23.45 carats total certified by GIA as Fancy Intense Yellow color, set on 18K yellow gold. Acc...

This stunning CERTIFIED necklace features a captivating design that showcases vibrant pear-shaped blue sapphires, known for their rich blue hue. The piece is intricately crafted and ...

Important exquisite grand diamond floral necklace platinum, high jewelry circa 1950's. 354 total diamonds, approximately 60 carats total. 146 r...

An incredible piece! 37.74 carats of Fine certified VIVID GREEN Emeralds. 15.15 carats of white round brilliant cut diamonds. Set in platinum and 18k yellow gold. 17 inch le...

Platinum Diamond Necklace & Earrings Set by Tiffany & Co. Part of TIffany & Co's Spray Collection. With 1Necklace: 299 Round Brilliant cut diamonds VVS clarity, G color total weight...

81 Carat Diamond Riviere Necklace. A stunning necklace comprising of 75 graduating round diamonds set in platinum. One emerald-cut diamond on the clasp weighing a total of 1.70 carat...

This stunning necklace features a captivating design that showcases vibrant oval-cut blue sapphires, known for their rich blue hue. The piece is intricately crafted and accentuated b...

An important and very rare necklace showcasing vibrant and color-rich oval cut blue sapphires, set in a beautiful design. An intricately-designed necklace accented with brilliant mix...

This gorgeous Black Tahitian South Sea pearl necklace features 27 pearls evenly matched for their radiant luster and overtones. With ve...

Oscar Heyman's exquisite masterpiece, a necklace with an array of multi-color sapphires (and 1 spinel) adorned with diamonds. This piece transforms into three magnificent bracelets, ...

An Edwardian diamond and emerald festoon swag necklace, the collar necklace decorated with two old brilliant-cut diamond floral clusters and three rose- ...

Scarselli is featuring this 6.42 carat heart shaped Fancy Vivid Yellow color diamond and an A 0.51 carat light pink I2 heart shape mounted on a handmade platinum and 18 karats white ...

Lovely art deco necklace by Tiffany of carved rock crystal links set in platinum with diamonds. Charming and timeless necklace. Exquisite quality. 1930s USA. Signed: TIFFANY, Platin...

This luxuriously looking CERTIFIED high-end drop necklace highlighting 1 emerald cut lush green emerald weighing 8.14 carats total set with pear & round shaped diamonds weighing 24...

Faye Kim platinum handwrapped lavender diamond bead necklace with 18k white gold links. Lavender diamonds 2.80ctw Length 18" Handmade in the USA

Certified Sapphire & Diamond Drop Necklace Gold Type: Platinum Pear Sapphire Weight: 10.95 Cts Radiant Sapphire Weight: 4.92 Cts Diamond Weight: ap...

Surround yourself with the utmost in luxury and elegance with this Natural Burmese no heat oval cut sapphire and round cut diamond platinum necklace. With 38 velvety deep blue sapph...

Elegant and Classic Drop Pendant Necklace featuring in the center a fine pear cut Colombian emerald weighing 3.00 carats, minor traditional enhancement. The emerald is set in a beaut...

This beautiful pendant necklace features a very special 9.57 carat cushion cut Sri Lankan blue sapphire, no heat, set in platinum accented by 0.50 carat total weight in tapered baguette diamond accents. It is set on a 18" platinum cable chain...

Estate Buccellati GIA Certified Orange Citrine, Peridot, Pink Tourmaline Diamond Pin /Pendant 18 Karat Yellow Gold 21.8 gm* Sign piece by Designer Buccellati 18 K gold COMES WITH...

Platinum two bracelets or a necklace suite. All set with approx. 5.75ctw in diamonds. Necklace measures 15 7/8" long, converts into two bracelets - 7.25...