GIA Certified 27.35ct natural Blue Tanzanite diamonds ring 18kt Three Stone**Chairish Auctions4.5(10.5k)$10,000
Vintage Platinum Engagement Ring 5.54ct. Natural Cushion Blue Sapphire GIA certModern Jewelry4.5(206)$16,5003 days Left
Vintage Platinum Engagement Ring 5.03CT.Natural Untreated Blue Oval Sapphire GIAModern Jewelry4.5(206)$12,5003 days Left
Vintage 14K White Gold Engagement Ring 8.94ct.Natural Blue Cushion Sapphire GIAModern Jewelry4.5(206)$8,3003 days Left
Certified 12 Carat long cushion cut Lab Grown Blue Sapphire Engagement Ring 14KT Solid White GoldForever Diamond4.3(3)$50Jun 20, 2026
