Platinum Categories: Select a Category ALL By Type Rings Earrings Necklaces & Pendants Brooches Bracelets Intaglio Rings Cufflinks Signet Rings By Brand All Designer De Vroomen Giuliano Asprey Van Cleef & Arpels Dior Grima Carrera Y Carrera Cartier Chopard Bulgari Faberge Buccellati Kutchinsky David Webb Georg Jensen Tiffany & Co Boodles Boucheron Chaumet Mauboussin Gucci Hermes Stephen Webster Theo Fennell By Stone Lapis Lazuli Chrysoberyl Tourmaline Onyx Diamond Zircon Sapphires Emerald Aquamarine Ruby Agate Garnet Pearl Jade Opal Spinel Carnelian Amethyst Turquoise Coral Tanzanite Citrine Topaz By Era Victorian Art Deco Georgian Edwardian / Belle Epoque / Art Nouveau C.1910 Vintage Roman & Ancient By Stone Cut Pear Calibre Cut Round Cut Marquise Cushion Cut Octagonal Step Cut Baguette Cut Old Cut Rose Cut Cabochon Cut Square Cut Heart Cut Oval Cut Emerald Cut By Metal Yellow Gold White Gold Rose Gold Mixed Metal Platinum Silver Platinum Opal and Diamond Pendant Necklace £3,950.00 Edwardian Platinum Tahitian Pearl & Diamond Drop Necklace £2,950.00 Art Deco Style Platinum Opal & Diamond Cluster Ring £6,450.00 Art Deco Platinum Ruby & Diamond Marquise Ring £3,850.00 Platinum Ruby & Diamond Oval Cluster Ring £6,450.00 Art Deco Platinum Sapphire & Diamond Bracelet, Mauboussin Style £18,950.00 Art Deco Platinum Old European Cut Diamond Ring, Circa 1920s £4,980.00 Art Deco Platinum Ceylon Sapphire & Diamond Ring £5,450.00 Art Deco 1920s Platinum Flower Bouquet brooch with 6.00 ct. diamonds £8,950.00 Art Deco style Platinum 1.19 ct. Emerald and Diamond Ring £4,650.00 Art Deco style platinum sapphire and diamond Ring £2,950.00 Art Deco style Platinum Diamond and Emerald Cluster Ring £6,450.00 Art Deco Style Platinum 3.76 ct. Emerald and diamond ring £3,950.00 Art Deco Platinum & 18kt Gold Ring with Colombian Emerald and Old Cut Diamonds £9,850.00 Belle Époque Platinum Diamond and Natural Pearl Drop Earrings £8,950.00 Art Deco Platinum Colombian Emerald Earrings £17,950.00 Art Deco Platinum and Enamel Pendant Watch Necklace £5,950.00 Edwardian Ceylon Sapphire & Diamond Ring, c.1910 £3,950.00 Art Deco Platinum Sapphire & Diamond Bow Brooch, c1920 £5,950.00 David Webb Platinum Emerald and Diamond Clip-On Earrings £24,950.00 Cartier Platinum flowerhead scrollwork design diamond brooch £14,750.00 BOUCHERON Platinum and White Gold Fancy Yellow Diamond Ring £4,950.00 Art Deco 1920s Cartier Platinum Diamond Brooch £14,950.00 Walton & Co Art Nouveau Jade & Diamond Ring £3,950.00 Vintage Platinum South Sea Pearl & Diamond Cluster Ring £2,650.00 Vintage Platinum Pearl Cluster Ring with Diamonds £24,950.00 SOLD - Vintage Platinum & 9kt White Gold Aquamarine, Kunzite, Emerald and Diamond Floral Spray Brooch £3,950.00 Sold Out Vintage 5.50ct. NATURAL NO HEAT Cabochon Blue Sapphire & Diamond Ring £5,950.00 Platinum 14.39 carats half drop shaped Natural Topaz pendant £4,950.00 Victorian 18kt Gold Locket Ring with Diamond Accents £3,950.00 Van Cleef & Arpels Multi -Strand Cultured Pearl & Diamond Bow Bracelet in Platinum £19,850.00 Platinum Toi et Moi Round Brilliant-Cut Diamond Ring £11,950.00 Tiffany & Co. Platinum ladies ring with 1.19 cts. Princess-cut diamond £7,480.00 Tiffany & Co. platinum reversible earrings, sapphire, emerald and diamond £14,950.00 Natural Cabochon Sapphire double strand beaded necklace £8,950.00 Art Deco Style Platinum 2.08 ct. Sapphire Ring with Calibré-Cut Sapphire Accents £1,950.00 Vintage Retro 18kt Gold and Platinum Diamond and Cabochon Ruby Leaf Brooch £2,300.00 Platinum and White Gold Diamond and Sapphire Brooch, Circa 1940s £3,950.00 Platinum Toi et Moi 2.00 ct. Round Brilliant-Cut Diamond Ring £11,950.00 Platinum Three-Stone Ruby & Diamond Ring £1,650.00 Art Deco style Platinum Diamond and Sapphire Ring £1,650.00 Art Deco style Platinum 0.74 ct. Sapphire and Diamond Ring £1,950.00 Retro 18kt Gold & Platinum Bow Brooch with 6.00 ct Aquamarine and Diamonds £4,450.00 15kt Gold and Platinum Three-Stone Diamond and Natural Ruby Ring £8,950.00 Platinum & 18kt Gold Ring with 2.70ct Ruby & 0.96ct Diamonds £2,350.00