Platinum natural blue sapphire diamond ring GIAWest Coast Auction Gallery 4.7(756)$500(1 bid)2 days Left
VINTAGE PLATINUM ENGAGEMENT RING 12.58CT. GEM LAB GROWN BLUE SAPPHIRE OVAL CUTModern Jewelry4.5(218)$8,000Oct 5, 2026
1.80ct Blue Sapphire, 0.80ctw Diamond and Platinum RingGWS Auctions Inc.4.4(301)$800(1 bid)4 days Left
Elegant 18k White Gold GIA 7.91ctw Oval Sapphire & Diamond RingDiamond Depot4.3(16)$6,200Sep 11, 2026
Certified 12 Carat long cushion cut Lab Grown Blue Sapphire Engagement Ring 14KT Solid White GoldForever Diamond4.3(3)$504 days Left
Rachel Koen Platinum Three-Stone Blue Sapphire Diamond Engagement Ring 6.5Bidhaus4.3(878)$100Sep 14, 2026
Certified 14 Ct.14kt Solid White Lab Grown sapphire Long Cushion Cut Engagement ringForever Diamond4.3(3)$504 days Left
A SAPPHIRE AND DIAMOND DRESS RING The oval-shaped sapphire, within a four double-claw setting andAdam's Auctioneers4.3(13)€2,600Sep 15, 2026
Unbranded GIA sapphire ring in 18k white gold with shield cut diamondsBidhaus4.3(878)$100Sep 11, 2026
