Vintage Marquise Dark Blue Sapphire Diamond Ring 14K Yellow Gold, 2.8 GramsChairish Auctions4.5(10.4k)$340
10K Gold Ring with Dark Blue Stone (Sapphire) and Small Diamond Chips - Size 7.75 - 1.36 GramsCATAMOUNT AUCTION CO LLC4.5(75)$25(1 bid)Apr 16, 2026
18K Yellow Gold Natural Dark Blue Sapphire RingFlannery's Estate Services4.6(463)$200(1 bid)3 days Left
Platinum GIA Certified 2.37ct No Heat Royal Blue Sapphire Diamond RingBidhaus4.2(852)$100(1 bid)2 hrs Left
GIA Certified 7.71ct Natural Green Blue Sapphire Diamond Ring 18kt Unisex**Chairish Auctions4.5(10.4k)$22,000
Vintage 1950's 18K White Gold NGI Certified Green Sapphire Diamond RingBidhaus4.2(852)$3,1005 days Left
