Platinum Cocktail Ring with Cornflower Blue Sapphire and DiamondMynt Auctions4.5(865)$100793 Lots Away
VINTAGE OSCAR HEYMAN STAR SAPPHIRE DIAMOND CLUSTER PLATINUM RING ESTATE JEWELRYModern Jewelry4.4(204)$25,000May 10, 2026
PLATINUM VINTAGE RING 9.43CT.NATURAL SKY BLUE SAPPHIRE PEAR SHAPE GIA CERTModern Jewelry4.4(204)$18,000May 10, 2026
Platinum Bow Style Ring with 1.32ct Blue Oval Sapphire and Baguette DiamondsBidhaus4.3(856)$1,675879 Lots Away
PLATINUM VINTAGE ENGAGEMENT RING 4.52CT.GEM BLUE SAPPHIRE ROUND SHAPE CIRC 1930'Modern Jewelry4.4(204)$5,300May 10, 2026
