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Natural Diamond & Gemstone Jewelry

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1101 products

Cartier Platinum Jadeite Cabochon Cufflinks Vintage Cartier Platinum Jadeite Cufflinks
Cartier Platinum Jadeite Cabochon Cufflinks Sale price$49,500.00
Cartier Platinum Diamond CufflinksCartier London Platinum Diamond Bar Cufflinks by Jacques Cartier
Cartier London Platinum Diamond Bar Cufflinks Sale price$49,500.00
Antique Diamond and Sapphire Owl Stick Pin with Pearl in Gold and PlatinumAntique Diamond Sapphire Owl Stick Pin Pearl Gold Platinum
Antique Diamond Sapphire Owl Stick Pin with Pearl in Gold and Platinum Sale price$1,500.00
Round Amethyst Diamond Halo Ring Yellow GoldVintage Round Amethyst and Diamond Halo Ring in Yellow Gold
Vintage Round Amethyst and Diamond Halo Ring in Yellow Gold Sale price$8,500.00
Engagement Ring DiamondDiamond Engagement Ring
Engagement Ring with 1.09ct Natural Emerald-Cut Diamond in Platinum Sale price$8,500.00
Edwardian Gold Platinum Ruby Diamond Stick PinArt Deco Gold Platinum Calibre Ruby Diamond Geometric Stick Pin
Edwardian to Art Deco Gold & Platinum Calibre Ruby Diamond Geometric Stick Pin Sale price$4,950.00
Edwardian Tiffany Co. Platinum Stick Pin Natural PearlTiffany & Co. Platinum Stick Pin with Natural Pearl
Antique Tiffany & Co. Platinum Stick Pin with Natural Pearl Sale price$7,500.00
Antique Edwardian Cat’s Eye Cabochon Diamond Stick Pin in Platinum and GoldAntique Edwardian Cat’s Eye Cabochon Diamond Stick Pin in Platinum and Gold
Antique Edwardian Cat’s Eye Cabochon Diamond Stick Pin in Platinum and Gold Sale price$5,500.00
Edwardian Longines Platinum & Gold Diamond Enamel Pendant Watch with ChainEdwardian Longines Platinum & Gold Diamond Enamel Pendant Watch with Chain
Edwardian Longines Platinum & Gold Diamond Enamel Pendant Watch with Chain Sale price$8,500.00
Antique Platinum Mine Cut Diamond Ball Pendant Watch ChainAntique Edwardian Platinum Diamond Ball Pendant Watch Chain
Antique Edwardian Platinum Old Mine Cut Diamond Ball Pendant Watch with Chain Sale price$14,500.00
Edwardian Platinum Gold Blue Chain Enamel Pendant Watch Edwardian Platinum and Gold Blue Guilloché Enamel Pendant Watch with Chain
Edwardian Platinum and Gold Blue Guilloché Enamel Pendant Watch with Chain Sale price$8,500.00
Textured Gold Unisex Citrine RingGold Citrine Ring
Vintage Textured 14K Gold Bezel-Set Oval Citrine Ring Sale price$5,500.00
Vintage 18K Gold Spessartite Garnet Diamond Modernist Cocktail RingVintage 18K Gold Spessartite Garnet Diamond Modernist Ring
Vintage 18K Gold Garnet Diamond Modernist Cocktail Ring Sale price$8,500.00
Diamond Platinum Ring French-Cut SapphiresArt Deco Diamond Platinum Ring French-Cut Sapphires
Vintage Diamond Platinum Ring with French-Cut Sapphires Sale price$9,500.00
Vintage Platinum Ring Diamond Calibre-Cut SapphiresVintage Platinum Ring Diamond Sapphires
Vintage Platinum Ring Diamond and Calibre-Cut Sapphires Sale price$8,500.00
Trillion-Cut Tanzanite Ring Round Brilliant DiamondsTrillion-Cut Tanzanite Ring Diamond
Trillion-Cut Tanzanite Ring with Round Brilliant Diamonds Sale price$7,850.00
Tanzanite 18K Gold Ring DiamondTrillion-Cut Tanzanite 18K Gold Ring with Rose-Cut Diamonds
Trillion-Cut Tanzanite 18K Gold Ring with Rose-Cut Diamonds Sale price$8,950.00
Victorian Gold Diamond Natural Zircon Bangle BraceletVictorian Gold Diamond Natural Zircon Bangle Bracelet
Antique Victorian Gold Diamond and Natural Zircon Bangle Bracelet Sale price$29,500.00
Antique Victorian Gold Rose-Cut Diamond Pearl Bangle BraceletVictorian Gold Diamond Pearl Bangle Bracelet
Antique Victorian Gold Diamond and Pearl Bangle Bracelet Sale price$27,500.00
Exceptional Platinum Diamond Statement CufflinksPlatinum Diamond Statement Cufflinks
Exceptional Platinum 16.50-Carat Diamond Statement Cufflinks Sale price$45,500.00
Janesich Art Deco Diamond Platinum Stick Pin with Onyx Janesich Platinum Art Deco Diamond Stick Pin
Janesich Paris Art Deco Onyx and Diamond Platinum Stick Pin Sale price$19,500.00
Vintage 14K Gold Garnet Tennis Collar NecklaceVintage 14K Gold Garnet Tennis Collar Necklace 1
Vintage 14K Gold Garnet Tennis Collar Necklace Sale price$4,500.00
Bounkit Purple Amethyst Pearl Tassel Drop EarringsBounkit Purple Amethyst Pearl Tassel Drop Earrings 1
Bounkit Purple Amethyst Pearl Tassel Drop Earrings Sale price$450.00
Antique Austrian Hallmarked Gold Stick Pin Sapphire, Diamond CitrineAntique Austrian Hallmarked Gold Stick Pin Sapphire, Diamond Citrine
Antique Austrian Hallmarked Gold Stick Pin with Sapphire, Diamond Citrine Sale price$3,950.00
Edwardian Old-Cut Diamonds Calibré-Cut Sapphires Stick Pin Edwardian Platinum-Set Gold Diamond Sapphire Round Stick Pin
Edwardian Platinum-Set Gold Diamond and Sapphire Round Stick Pin Sale price$2,950.00
Tiffany & Co Art Deco Gold Amethyst Class Ring Hunter CollegeTiffany & Co. Art Deco 14K Gold Amethyst Class Ring – Hunter College
Tiffany & Co. Art Deco 14K Gold Amethyst Class Ring – Hunter College Sale price$3,500.00
Ancient Roman Garnet Ring in High-Purity Gold, Circa 2nd–3rd Century CEAncient Roman Gold Garnet Men's Ring
Ancient Roman Garnet Ring in High-Purity Gold, Circa 2nd–3rd Century CE Sale price$15,500.00
Ancient Garnet Intaglio Antique 18K Gold Men’s RingAncient Garnet Intaglio Antique 18K Gold Men’s Ring
Ancient Garnet Intaglio in an Antique 18K Gold Mounted Men’s Ring Sale price$9,500.00
Hammerman Brothers 18K Gold Ruby Diamond Drop Earrings18K Gold Hammerman Brothers Platinum Ruby Diamond Drop Earrings
Hammerman Brothers 18K Gold Platinum Ruby Diamond Drop Earrings Sale price$39,500.00
SoldBoregaard Platinum Sterling Diamond Moth Brooch Pin Pedro Boregaard Platinum Silver Diamond Moth Brooch
Pedro Boregaard Platinum Sterling Silver Diamond Moth Brooch Sale price$2,950.00
Antique Platinum Cabochon Blue Sapphire CufflinksAntique Platinum Cabochon Blue Sapphire Cufflinks
Antique Platinum Double-Sided Cabochon Sapphire Cufflinks Sale price$7,500.00
John Reubens Amethyst Rock Crystal Pearl Large BroochVintage John Reubens Amethyst Rock Crystal Pearl Large Brooch
Vintage John Reubens Amethyst Rock Crystal Pearl Large Brooch Sale price$450.00
Edwardian Gold & Platinum Rose-Cut Diamond Floral HatpinEdwardian Gold Platinum Rose-Cut Diamond Floral Hatpin
Edwardian Gold & Platinum Rose-Cut Diamond Floral Hatpin Sale price$9,500.00
Iradj Moini Amethyst Green Agate Beads Drop Tassel EarringsIradj Moini Amethyst Green Agate Beads Drop Tassel Earrings 1
Iradj Moini Amethyst Green Agate Beads Drop Tassel Earrings Sale price$750.00
Art Deco Jade Citrine Necklace GoldArt Deco Jade Necklace Gold
Art Deco Carved Jade and Citrine Necklace in 14K Gold Sale price$9,500.00
Edwardian Black Opal Diamond Platinum RingBlack Opal Diamond Ring
Edwardian Black Opal and Old Mine Cut Diamond Platinum Ring Sale price$18,500.00
Retro 14K Yellow and Rose Gold Citrine, Ruby Diamond Scroll BroochTwo-Tone Retro Gold Brooch Citrine Rubies Diamonds
Two-Tone Retro Gold Scroll Brooch with Citrine, Rubies, and Diamonds Sale price$14,500.00
Magnificent 18K Gold Diamond Pearl Cluster Ring18K White Gold Diamond and Pearl Cluster Ring
Magnificent 18K White Gold Diamond and Pearl Cluster Ring Sale price$14,500.00
Vintage Iradj Moini Amethyst Citrine Red Crystal Chandelier EarringsVintage Iradj Moini Amethyst Citrine Red Crystal Chandelier Earrings 2
Vintage Iradj Moini Amethyst Citrine Red Crystal Chandelier Earrings Sale price$1,250.00
Tiffany & Co. Leo de Vroomen 18K Gold Blue Enamel Citrine CufflinksTiffany Co. 18K Gold Blue Enamel Citrine Cufflinks
Tiffany & Co. Leo de Vroomen 18K Gold Blue Enamel Citrine Cufflinks – London Sale price$9,500.00
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$35,500.00
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
SoldCartier 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$11,500.00
SoldCartier 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 Emerald and Diamond Stick Pin Sale price$11,500.00
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

Natural Diamond & Gemstone Jewelry