Jul 05, 2026Stunning Art Deco Platinum Leaf Brooch with 12 Carats DiamondsEst. $29,061-$32,548$10,000Diamond DepotNew York, NY
Jul 03, 2026Retro 14k Yellow Gold Platinum Diamond and Ruby Women's Band Ring Size 3.5Est. $8,088-$9,059$3,100Diamond DepotNew York, NY
Buy NowFrench Edwardian Platinum Diamond Sapphire Choker Pendant Brooch Necklace$12,820Diamond DepotNew York, NY
Buy NowGIA Certified 6.01ct Natural Burma Sapphire Platinum Diamond Ring$13,880Diamond DepotNew York, NY
Jul 06, 2026Platinum Diamond Floral Brooch with 4.70 Carats Retro DesignEst. $8,508-$9,529$3,850Diamond DepotNew York, NY
Jul 05, 2026PLATINUM VINTAGE LAMBERTS ENGAGEMENT RING 0.62CT. NATURAL EURO ROUND DIAMONDEst. $4,165-$4,655$3,400Modern JewelryValley Village, CA
Jul 05, 2026PLATINUM ENGAGEMENT RING 2.54CT. LAB GROWN BLUE SAPPHIRE ROUND SHAPEEst. $4,165-$4,655$3,400Modern JewelryValley Village, CA
Jul 05, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.03CT. NATURAL BLUE SAPPHIRE RADIANT SHAPEEst. $3,995-$4,465$3,250Modern JewelryValley Village, CA
Jul 05, 2026PLATINUM VINTAGE ENGAGEMENT RING 1.95CT. NATURAL BLUE SAPPHIRE OVAL SHAPEEst. $3,995-$4,465$3,250Modern JewelryValley Village, CA
Jul 05, 2026PLATINUM VINTAGE ENGAGEMENT RING NATURAL UNTREATED CUSHION PINK SAPPHIRE 3.08CTEst. $13,515-$15,105$11,000Modern JewelryValley Village, CA
Jul 05, 2026VINTAGE PLATINUM ENGAGEMENT RING 5.03CT.NATURAL UNTREATED BLUE OVAL SAPPHIRE GIAEst. $13,175-$14,725$10,750Modern JewelryValley Village, CA
Jul 05, 2026VINTAGE PLATINUM ENGAGEMENT RING 2.40CT.LAB GROWN GREEN EMERALD SQUARE SHAPEEst. $7,905-$8,835$6,500Modern JewelryValley Village, CA
Jul 05, 2026VINTAGE PLATINUM ENGAGEMENT RING 4.51CT.LAB GROWN BLUE SAPPHIRE ROUND SHAPEEst. $6,545-$7,315$5,300Modern JewelryValley Village, CA
Jul 05, 2026PLATINUM ENGAGEMENT RING 7.59CT. NATURAL GEM BLUE SAPPHIRE OVAL CUTEst. $26,860-$30,020$22,000Modern JewelryValley Village, CA
Jul 15, 20261.34 CARAT CUSHION BRILLIANT & ROUND DIAMOND PLATINUM ENGAGEMENT RINGEst. $16,590-$18,542$13,500Modern JewelryValley Village, CA
Jul 04, 2026Tiffany&Co. Necklace Diamond 0.12Ct Solitaire 950 PlatinumEst. $1,125-$1,350$300SEUYCORaleigh, NC
Jul 05, 2026GIA certified Australian black opal diamond platinum ring size 6.5Est. $5,679-$6,361$2,100Diamond DepotNew York, NY
Buy NowStunning Retro Platinum 6.05 Ct Diamond Brooch Vintage Elegance$7,320Diamond DepotNew York, NY
Buy NowAuthentic! Tiffany & Co Platinum Jazz Diamond Tanzanite Pendant Necklace$5,000Jasper52New York, NY
Jul 15, 2026VINTAGE PLATINUM WRISTWATCH WITH 5 CARAT BAGUETTE SHAPE DIAMONDSEst. $25,500-$28,500$21,000Modern JewelryValley Village, CA