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Gemstone Jewelry

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863 products

Exquisite 1950s Multi-Gemstone & Diamond Pendant Brooch in 18K GoldExquisite 1950s Multi-Gemstone & Diamond Pendant Brooch in 18K Gold
Exquisite 1950s Multi-Gemstone & Diamond Pendant Brooch in 18K Gold Sale price$24,500.00
Retro 18K Gold Ruby and Diamond Starburst EarringsRetro Gold Ruby and Diamond Starburst Earrings
Retro Gold Ruby and Diamond Starburst Earrings Sale price$7,500.00
Cartier Paris Natural Fancy-Colored Diamond Platinum and Gold Stick PinCartier Paris Natural Fancy-Colored Diamond Platinum and Gold Stick Pin
Cartier Paris Natural Fancy-Colored Diamond Platinum and Gold Stick Pin Sale price$29,500.00
Cartier Unheated Natural Ruby Platinum Stick PinCartier Unheated Ruby Platinum Stick Pin
Cartier Unheated Natural Ruby Platinum Stick Pin Sale price$35,500.00
Cartier Amethyst Diamond Stick PinCartier Edwardian Platinum Amethyst & Diamond Stick Pin
Cartier Platinum Amethyst and Diamond Stick Pin Sale price$19,500.00
Cartier Paris Platinum Unheated Burma Sapphire Stick PinCartier Platinum Unheated Burma Sapphire Stick Pin
Cartier Paris Platinum Unheated Burma Sapphire Stick Pin – 1.5 Carats Sale price$35,500.00
Cartier Paris Art Deco 18K Gold Emerald Diamond Stick PinCartier Paris Art Deco 18K Gold Emerald and Diamond Stick Pin
Cartier Paris Art Deco 18K Gold Ruby and Diamond Stick Pin Sale price$9,500.00
Cartier Henri Picq Art Deco Sapphire Diamond Platinum Stick PinCartier by Henri Picq Sapphire Diamond Platinum Stick Pin
Cartier by Henri Picq Art Deco Sapphire and Diamond Platinum Stick Pin Sale price$19,500.00
Cartier Art Deco Platinum Diamond Stick Pin – Double Baguette DesignCartier Art Deco Platinum Diamond Stick Pin – Double Baguette Design
Cartier Art Deco Platinum Diamond Stick Pin – Double Baguette Design Sale price$11,500.00
Cartier Art Deco Sapphire and Diamond Stick PinCartier Sapphire and Diamond Stick Pin
Cartier New York Art Deco Sapphire and Diamond Platinum Stick Pin Sale price$17,500.00
Cartier Art Deco Platinum Emerald Diamond Stick Pin Henri PicqHenri Picq Cartier Platinum Emerald Diamond Stick Pin
Cartier Art Deco Platinum Emerald and Diamond Stick Pin by Henri Picq Sale price$19,500.00
Rare Cartier by Henri Picq Platinum Carved Sapphire Intaglio Stick PinRare Cartier by Henri Picq Platinum Carved Sapphire Intaglio Stick Pin
Rare Cartier by Henri Picq Platinum Carved Sapphire Intaglio Stick Pin Sale price$29,500.00
Edwardian Stick Pin Sapphire DiamondsEdwardian Platinum Stick Pin with Sapphire and Diamonds
Edwardian Platinum Stick Pin with Sapphire and Diamonds Sale price$2,950.00
Kunzite Bird Brooch Diamonds Colored Gemstones 18K Kunzite 18K Bird Brooch Diamonds Gemstones
9.19ct Kunzite Bird Brooch with Diamonds & Colored Gemstones Sale price$7,500.00
Diamond South Sea Pearl Platinum Ring Diamond Pearl Platinum Ring
Natural Diamond South Sea Pearl Platinum Ring – 18.00 CTW Sale price$45,000.00
Black Opal Diamond Platinum Ring VintageBlack Opal Diamond Platinum Ring - Vintage
Black Opal GIA 7 Carat Diamond Ring in Platinum Art Deco Sale price$75,000.00
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 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
Antique 1850 Pearl Gold Enamel Gemstone Dragonfly BroochAntique 1850 Pearl Gold Enamel Gemstone Dragonfly Brooch
Antique 1850 Pearl Gold Enamel Gemstone Dragonfly Brooch Sale price$95,000.00
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
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
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
Fabergé Diamond Gemstone Bow Brooch August HolmstromFabergé Diamond Emerlad Sapphire Basket Bow Brooch by August Holmstrom
Fabergé Antique Diamond Gemstone Basket Bow Brooch August Holmstrom Sale price$22,500.00
Bulgari 18K Diamond Cuore RingBvlgari Bulgari 18K Diamond Cuore Ring
Bulgari 18K Yellow Gold Diamond Cuore Ring Sale price$6,500.00
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
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
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
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
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
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
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
Antique Carved Gold Agate Coat of Arms Crest Oval Men's RingAntique Carved Gold Agate Coat of Arms Crest Oval Men's Ring
Antique Carved Gold Agate Coat of Arms Crest Oval Men's Ring Sale price$12,500.00