Constantine & Floyd diamond five stone ring. Set with five cushion shape old mine diamonds in open back claw and grain settings with a combined approximate weight of 2.80 carats, adorned further with 10 round rose cut diamonds in closed back grain and rubover settings with a combined weight of 0.10 carats. The total approximate diamond weight is 2.90 carats to an impressive five stone design featuring curving claws, an ornately carved scrolling gallery and fancy shape open backholing, leading to trumpeting shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold, maker's mark 'CE&FD' for Constantine & Floyd, partial hallmarks, English, 1869.
