Sold at Auction: TRINITY DE CARTIER WEDDING BAND RING, CARTIER in 18ct gold, formed of three interlocking bands in yellow, white and rose gold, signed Cartier and numbered, stamped 750, size L /
Antique jewelry: How to identify gold and silver hallmarks
18k Two Tone Gold 750 Italy Signet Initial Mens Diamond Engravable Ring 6gr | eBay
Lot - 18K gold diamond mounted renaissance style ring. 9 round cut diamonds and 14 rectangular cut diamonds. Marked 750 on back of shank. Sizer mount attached. 6.1 grams. Approximate ring size 6.