Jul 27, 202614K WHITE GOLD ENGAGEMENT RING 3.12CT. NATURAL UNTREATED BLUE SAPPHIRE OVAL CUTEst. $16,575-$18,525$13,500Modern JewelryValley Village, CA
Jul 25, 2026Natural Green Yellow Tourmaline 8ct Octagonal Cut MozambiqueEst. $180-$450$120Chan & Scott Auction HouseLinghem, Ostergotland
Aug 30, 2026Natural green oval mix cut spinel 4.57 ct untreated crystal included - 2 Natural green oval mix cutEst. $120-$180$80Chan & Scott Auction HouseLinghem, Ostergotland
Jul 25, 2026Group of 5 Pear-Cut Natural Spinels, Burma Origin, 2.80 ct TotalEst. $400-$700$280Chan & Scott Auction HouseLinghem, Ostergotland
Jul 27, 2026VINTAGE PLATINUM ENGAGEMENT RING 5.03CT.NATURAL UNTREATED BLUE OVAL SAPPHIRE GIAEst. $13,175-$14,725$10,750Modern JewelryValley Village, CA
Jul 27, 2026VINTAGE PLATINUM ENGAGEMENT RING 5.03CT.NATURAL UNTREATED BLUE OVAL SAPPHIRE GIAEst. $15,215-$17,005$12,500Modern JewelryValley Village, CA
Aug 30, 2026Group of 2.90 ct Unheated Burmese Spinels in Mixed Pear and Trillion CutsEst. $250-$390$170Chan & Scott Auction HouseLinghem, Ostergotland
Jul 27, 2026PLATINUM ENGAGEMENT RING 2.91CT. NATURAL UNTREATED BLUE SAPPHIRE EMERALD CUT GIAEst. $16,150-$18,050$13,250Modern 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
Aug 30, 2026Fancy Purplish Pink Diamond, 0.25 ct, ALGT Certified, AfricaEst. $380-$500$260Chan & Scott Auction HouseLinghem, Ostergotland
Jul 27, 2026VINTAGE 14K WHITE GOLD RING 13.23CT. NATURAL UNTREATED YELLOW SAPPHIRE OVAL GIAEst. $18,615-$20,805$15,250Modern JewelryValley Village, CA
Aug 30, 2026Natural Emerald, Square Cut, 0.73 ct, IGI Certified, Panjshir AfghanEst. $1,000-$1,200$700Chan & Scott Auction HouseLinghem, Ostergotland
Jul 27, 202614K YELLOW GOLD ENGAGEMENT RING 4.02CT. NATURAL UNTREATED OVAL BLUE SAPPHIREEst. $13,345-$14,915$10,750Modern JewelryValley Village, CA
Aug 30, 2026IGI Certified Natural Emerald, 0.46 ct, Panjshir AfghanistanEst. $280-$350$190Chan & Scott Auction HouseLinghem, Ostergotland
Jul 27, 2026VINTAGE PLATINUM ENGAGEMENT RING 2.07CT. NATURAL UNTREATED BLUE SAPPHIRE RADIANTEst. $9,775-$10,925$8,000Modern JewelryValley Village, CA
Jul 27, 2026VINTAGE PLATINUM ART DECO RING 3.45CT. NATURAL BLUE ROUND SAPPHIRE CABOCHONEst. $14,875-$16,625$12,250Modern JewelryValley Village, CA
Buy NowVINTAGE PLATINUM ENGAGEMENT RING 3.76CT.NATURAL UNTREATED OVAL BLUE SAPPHIRE GIA$19,550Modern JewelryValley Village, CA
Jul 27, 202614K WHITE GOLD ENGAGEMENT RING 2.54CT. NATURAL UNTREATED BLUE SAPPHIRE CUSHIONEst. $10,115-$11,305$8,300Modern JewelryValley Village, CA
Live Now14K White Gold GIA Certified 1.58ct Halo Sapphire Diamond Engagement RingEst. $2,444-$3,177$100BidhausNew York, NY
Buy NowVINTAGE PLATINUM ENGAGEMENT RING 5.03CT.NATURAL UNTREATED BLUE OVAL SAPPHIRE GIA$15,215Modern JewelryValley Village, CA
Jul 27, 2026VINTAGE 14K WHITE GOLD ENGAGEMENT RING 1.52CT NATURAL UNTREATED BLUE SAPPHIREEst. $4,165-$4,655$3,400Modern JewelryValley Village, CA
Jul 27, 2026VINTAGE 14K YELLOW GOLD ENGAGEMENT RING 2.03CT. NATURA UNTREATED BLUE SAPPHIREEst. $5,015-$5,605$4,100Modern 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
Jul 24, 20261.06 ct Natural Medium Purple Sapphire, Pear Cut, VS, TanzaniaEst. $900-$1,100$700Weatherham Estate TreasuresCobourg, ON