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Natural Diamond & Gemstone Jewelry

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1038 products

18K Gold Harlequin-Design Diamond Sapphire Citrine RingColorful 18K White Gold Harlequin-Design Sapphire Citrine Ring
Vibrant 18K Gold Harlequin-Design Diamond Sapphire & Citrine Ring Sale price$5,950.00
Antique Edwardian Platinum Gold Sapphire Cufflinks Antique Edwardian Platinum Gold Sapphire Cufflinks
Antique Edwardian Platinum Gold Sapphire Cufflinks Sale price$3,950.00
Cartier Black Lacquer Pen with Platinum Finish and Blue CabochonCartier Black Lacquer Pen with Platinum Finish and Blue Cabochon
Cartier Black Lacquer Pen with Platinum Finish and Blue Cabochon Sale price$550.00
Antique Victorian Gold Enamel Garnet NecklaceAntique Victorian Gold Enamel Garnet Necklace
Antique Victorian Gold Enamel Garnet Necklace Sale price$16,500.00
Hans Brassler Art Nouveau Gold Stick Pin Garnet Pearl Hans Brassler Hallmark Art Nouveau Gold Stick Pin with Garnet and Pearl
Hans Brassler Art Nouveau Gold Stick Pin with Garnet and Pearl Sale price$1,450.00
Antique Edwardian 14K Gold Garnet Men's Ring EngravedAntique Edwardian 14K Gold Garnet Men's Ring – Engraved
Antique Edwardian 14K Gold Garnet Men's Ring – Engraved Sale price$7,500.00
Antique Miniature Book Box in 18K Gold Diamond Crown Guilloché EnamelAntique Miniature Book Box in 18K Gold Diamond Crown Guilloché Enamel
Antique Miniature Book Box in 18K Gold Diamond Crown Guilloché Enamel Sale price$14,500.00
Antique 18K Gold Sapphire & Diamond Oval CufflinksAntique 18K Gold Sapphire & Diamond Oval Cufflinks
Antique 18K Gold Sapphire & Diamond Oval Cufflinks Sale price$7,500.00
Luxury Sautoir Necklace in Platinum with Diamonds and Pearls – 6 CTWLLuxury Sautoir Necklace in Platinum with Diamonds and Pearls – 6 CTW
Luxury Sautoir Necklace in Platinum with Diamonds and Pearls – 6 CTW Sale price$19,500.00
Furrer Jacot 18K Gold Diamond Band RingFurrer Jacot 18K Gold Diamond Band Ring
Furrer Jacot 18K Gold Diamond Band Ring – 1.04ctw Swiss Made Sale price$7,500.00
Scott Kay Sapphire Princess Cut Diamond Platinum RingScott Kay Sapphire Princess Cut Diamond Platinum Ring
Scott Kay Unheated Sapphire Princess Cut Diamond Platinum Ring Sale price$14,500.00
Tanzanite Ring Diamond GoldTanzanite Pear-Shaped Ring Diamond Halo Gold
Tanzanite Pear-Shaped Ring with Diamond in 14K Gold Sale price$8,500.00
Hans Brassler Gold Sapphire Stick PinHans Brassler Gold Sapphire Stick Pin Hallmark
Hans Brassler Art Nouveau Gold Sapphire Stick Pin Sale price$1,550.00
Edwardian Cufflinks with Diamond, Bloodstone, Carnelian, Onyx & Agate Gold PlatinumEdwardian Cufflinks with Diamond, Bloodstone, Carnelian, Onyx & Agate Gold Platinum
Edwardian Cufflinks with Diamond, Bloodstone, Carnelian, Onyx & Agate Gold Platinum Sale price$9,500.00
Victorian Garnet Diamond Ring Marquise Shape Gold EnamelAntique Garnet Diamond Ring Marquise Shape Gold Enamel
Victorian Garnet and Diamond Ring – Marquise Shape Gold and Enamel Sale price$9,500.00
Turquoise Diamond Ring 18K Gold PlatinumSculptural Turquoise Diamond Cocktail Ring 18K Gold Platinum
Sculptural Turquoise and Diamond Cocktail Ring in 18K Gold and Platinum 10 CTW Sale price$38,500.00
Iradj Moini Amethyst Turquoise Resin Interchangeable Long EarringsIradj Moini Amethyst Turquoise Resin Interchangeable Long Earrings 1
Iradj Moini Amethyst Turquoise Resin Interchangeable Long Earrings Sale price$1,450.00
Antique Victorian Pearl Garnet Diamond NecklaceAntique Victorian Pearl Garnet Diamond Necklace
Antique Victorian Pearl Garnet Old Mine Cut Diamond Necklace – 11 CTW Sale price$75,000.00
Bulgari 18K Diamond Cuore RingBvlgari Bulgari 18K Diamond Cuore Ring
Bulgari 18K Yellow Gold Diamond Cuore Ring Sale price$6,500.00
Iradj Moini Black Pearl Orange Crystal Citrine Drops Earrings 2Iradj Moini Black Pearl Orange Crystal Citrine Drops Earrings
Iradj Moini Black Pearl Orange Crystal Citrine Drops Earrings Sale price$750.00
Burma Ruby Diamond Earrings 18K Gold PlatinumBurma Ruby Diamond Earrings in 18K Gold Platinum
Burma Ruby and Diamond Earrings in 18K Gold and Platinum Sale price$39,500.00
Art Deco Ruby Diamond Stick Pin Platinum and GoldArt Deco Ruby Diamond Stick Pin
Art Deco Ruby Diamond Stick Pin Platinum and Gold Sale price$3,500.00
Iradj Moini Citrine Red Glass Crystal Flower EarringsIradj Moini Citrine Red Glass Crystal Flower Earrings 1
Iradj Moini Citrine Red Glass Crystal Flower Earrings Sale price$750.00
Diamond Pearl Ring 18K GoldDiamond Pearl Ring 18K Gold vtg
Vintage 18K Yellow Gold Diamond and Pearl Ring 9.50 cts Sale price$38,500.00
Kite Diamond and Sapphire Drop Earrings in PlatinumKite Diamond and Sapphire Earrings
Fancy Kite Cut Diamond and Sapphire Drop Earrings in Platinum Sale price$37,500.00
Iradj Moini Orange Amethyst Turquoise Bug BroochIradj Moini Black Orange Amethyst Turquoise Bug Brooch
Iradj Moini Black Orange Amethyst Turquoise Beetle Bug Brooch Sale price$950.00
Fred Paris 18K Gold Amethyst Diamond EarringsFred Paris 18K Gold Amethyst and Diamond Earrings
Fred Paris 18K Gold Amethyst and Diamond Earrings Sale price$9,500.00
Vintage Diamond Emerald Earrings Platinum 18K GoldVintage Diamond Emerald Earrings Platinum 18K Gold Harry Winston
Natural Diamond and Emerald Vintage Earrings – Platinum & 18K Gold Sale price$65,000.00
Dorfman 18K Gold Diamond Hoop Earrings Dorfman French 18K Gold Diamond Hoop Earrings
Dorfman French 18K Yellow Gold Diamond Hoop Earrings Sale price$19,500.00
Victorian Claw-Set Citrine Stickpin GoldVictorian Claw-Set Citrine Stickpin – 14K Gold Antique
Victorian Claw-Set Citrine Stickpin – 14K Gold Sale price$895.00
Antique Gold Platinum Faceted Amethyst Stick PinAntique Gold Platinum Faceted Amethyst Stick Pin
Antique Gold Platinum Faceted Amethyst Stick Pin Sale price$1,150.00
Early 19th Century Garnet-Set Miniature Spy Glass TelescopeGeorgian 19th Century Garnet Miniature Spy Glass Telescope
Early Georgian 19th Century Garnet-Set Miniature Spyglass Telescope Sale price$3,500.00
Vintage Platinum Ring Diamond Onyx Pearl Art Deco Platinum Ring Diamond Onyx Pearl
Vintage Platinum Ring with Diamond, Onyx & Pearl Multi-Circle Design Sale price$19,500.00
Tiffany Co GIA No Heat Ceylon Sapphire Crest Intaglio Men’s Ring Tiffany Co No Heat 7-Carat Ceylon Sapphire Crest Intaglio Men’s Ring Platinum GIA Certified
Tiffany & Co. GIA No Heat 7ct Ceylon Sapphire Men’s Ring – Platinum Sale price$75,500.00
Harry Winston Diamond Earrings PlatinumDiamond Marquise Pear-Shaped Earrings in Platinum
Exquisite 13.50 CTW Marquise & Pear Diamond Earrings in Platinum Sale price$75,000.00
Antique Gold Platinum Bullet CufflinksAntique Gold Platinum Bullet Cufflinks
Antique Gold Platinum Bullet Cufflinks Sale price$5,500.00
SoldSave $1.00Tiffany Co Schlumberger 18K Gold Burma Ruby Pearl Diamond Raspberry EarringsTiffany Co. Schlumberger 18K Gold Ruby Pearl Diamond Raspberry Strawberry Earrings
Tiffany & Co. Schlumberger 18K Gold Ruby Pearl Diamond Raspberry Earrings Sale price$1,000.00 Regular price$1,001.00
SoldArt Nouveau Hans Brassler & Co. Gold Amethyst Diamond Pendant NecklaceArt Nouveau Hans Brassler Co. Gold Amethyst Diamond Pendant Necklace
Art Nouveau Hans Brassler & Co. Gold Amethyst Diamond Pendant Necklace Sale price$8,500.00
Marchal 18K Gold Diamond Emerald Sapphire Ring Marchal Marchak 18K Gold Diamond Emerald Ring
Marchal 18K Gold Diamond Emerald Sapphire Ring Sale price$11,500.00
18K Gold Diamond Ring 18K Gold Diamond Cocktail Ring Ribbed
Wide 18K Yellow Gold Diamond Cocktail Ring – Ribbed Design Sale price$11,500.00
Antique Victorian Gold Snake Bangle Bracelet with Garnet & Ruby Victorian Gold Snake Bangle Bracelet Garnet Ruby
Antique Victorian Gold Snake Bangle Bracelet with Garnet and Ruby Sale price$12,500.00
J.E. Caldwell Co Diamond Brooch with 7 Ct DiamondsJ.E. Caldwell & Co. Platinum Brooch with 7 Ct Diamonds
J.E. Caldwell & Co. Platinum Circle Brooch with 7 Ct Diamonds Sale price$18,500.00
Ostertag Platinum Natural Pearl Stick Pin Ostertag Natural Pearl Stick Pin
Ostertag Platinum Natural Pearl Stick Pin Sale price$3,500.00
Dankner 18K Gold Diamond EarringsDankner Gold Diamond Earrings
Dankner 18K Yellow Gold Diamond Earrings Sale price$5,500.00
Bracelet Tiffany Co. Platinum Diamond Buckle Tiffany Co Diamond Buckle Bracelet Mesh
Tiffany & Co. Platinum Diamond Mesh Buckle Bracelet Sale price$22,500.00
Tiffany Co. Schlumberger Eighteen Stone Platinum Diamond RingTiffany Co Schlumberger Platinum Diamond Ring X
Tiffany & Co. Schlumberger Eighteen Stone Platinum Diamond Ring Sale price$11,500.00
Ruby Diamond Platinum Cufflinks Ruby Diamond Platinum Cufflinks deco
Luxurious Ruby and Diamond Platinum Cufflinks Sale price$10,500.00
French Art Deco Diamond Cufflinks SapphiresExquisite French Art Deco Cufflinks in Platinum Sapphires and Diamonds
Exquisite French Art Deco Cufflinks in Platinum with Sapphires and Diamonds Sale price$15,500.00