11 hrs Left50.46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 59FCEst. $10-$200$10ThousandPlanetThung Wat Don, Sathorn, Bangkok
11 hrs Left30.67ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 95FCEst. $10-$200$10(1 bid)ThousandPlanetThung Wat Don, Sathorn, Bangkok
Jul 27, 202614K YELLOW GOLD ENGAGEMENT RING 4.02CT. NATURAL UNTREATED OVAL BLUE SAPPHIREEst. $13,345-$14,915$10,750Modern JewelryValley Village, CA
Jul 27, 202610.28CT.NATURAL UNTREATED BLUE SAPPHIRE 14K WHITE GOLD VINTAGE RING GIA CERTEst. $16,575-$18,525$13,500Modern JewelryValley Village, CA
11 hrs Left37.97ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 47FCEst. $10-$200$10ThousandPlanetThung Wat Don, Sathorn, Bangkok
Jul 27, 2026VINTAGE PLATINUM ENGAGEMENT RING 5.03CT.NATURAL UNTREATED BLUE OVAL SAPPHIRE GIAEst. $15,215-$17,005$12,500Modern JewelryValley Village, CA
Buy NowPlatinum Cocktail Ring With GIA AGL No Heat Ceylon Sapphire and Diamond Accents$27,890Diamond DepotNew York, NY
8 hrs LeftGIA Certified Solid Platinum 1.49ctw No Heat Blue Sapphire & Diamond RingEst. $3,432-$4,461$100BidhausNew York, NY
Jul 25, 2026Group of 5 Pear-Cut Natural Spinels, Burma Origin, 2.80 ct TotalEst. $400-$700$280Chan & Scott Auction HouseLinghem, Ostergotland
Buy NowPLATINUM VINTAGE ENGAGEMENT RING NATURAL UNTREATED CUSHION PINK SAPPHIRE 3.08CT$13,515Modern JewelryValley Village, CA
Buy NowVINTAGE 14K WHITE GOLD RING 13.23CT. NATURAL UNTREATED YELLOW SAPPHIRE OVAL GIA$18,615Modern JewelryValley Village, CA
Buy Now14K WHITE GOLD ENGAGEMENT RING 2.54CT. NATURAL UNTREATED BLUE SAPPHIRE CUSHION$10,115Modern JewelryValley Village, CA
Buy NowVINTAGE PLATINUM ENGAGEMENT RING 2.07CT. NATURAL UNTREATED BLUE SAPPHIRE RADIANT$9,775Modern JewelryValley Village, CA
Jul 27, 202614K YELLOW GOLD ENGAGEMENT RING 3.79CT. NATURAL UNTREATED OVAL BLUE SAPPHIREEst. $10,115-$11,305$8,300Modern JewelryValley Village, CA
Buy NowVINTAGE PLATINUM ART DECO RING 3.45CT. NATURAL BLUE ROUND SAPPHIRE CABOCHON$14,875Modern JewelryValley Village, CA
Buy NowVINTAGE 14K WHITE GOLD ENGAGEMENT RING 8.61CT. NATURAL BLUE SAPPHIRE RADIANT GIA$19,550Modern JewelryValley Village, CA
Jul 27, 2026PLATINUM ENGAGEMENT RING 2.91CT. NATURAL UNTREATED BLUE SAPPHIRE EMERALD CUT GIAEst. $16,150-$18,050$13,250Modern JewelryValley Village, CA
Buy NowVINTAGE 14K WHITE GOLD ENGAGEMENT RING 2.20CT.PURPLE SAPPHIRE UNTREATED GIA CERT$6,715Modern JewelryValley Village, CA
Buy NowVINTAGE 10K YELLOW GOLD ENGAGEMENT RING 7.25CT.NATURAL LIGHT BLUE STAR SAPPHIRE$6,545Modern JewelryValley Village, CA
Jul 27, 2026NATURAL YELLOW SAPPHIRE UNTREATED LOOSE STONES ROUND 8.17CTEst. $14,450-$16,150$11,750Modern JewelryValley Village, CA
Jul 27, 2026VINTAGE PLATINUM ENGAGEMENT RING 5.22CT.NATURAL UNTREATED BLUE SAPPHIRE CUSHIONEst. $16,745-$18,715$13,750Modern JewelryValley Village, CA
6 days LeftGIA Ceylon Star Sapphire Diamond Platinum Cocktail Ring 6.5Est. $3,627-$4,715$2,750BidhausNew York, NY
Buy NowVINTAGE 14K ROSE GOLD ENGAGEMENT RING 2.18CT.NATURAL ROUND PADPARADCHA SAPPHIRE$6,715Modern JewelryValley Village, CA
Jul 28, 202618K White Gold Ladies Ring with 2.12ct GIA Certified Untreated Sapphire and 0.67tcw AdjacentEst. $21,250-$25,990$50Riverside GalleriesArcadia, CA