19th Century Old Mine Cut Diamond 10-stone Ring

19th century geometric plaque diamond ring. Beautifully preserved dark patina and gorgeous bright old mine cut diamonds. The old mine cut Diamonds are varied sizes and shapes all set in silver settings on gold shank. English in origin, circa 1840 - 1860. Old sizing apparent on reverse, patina can be brightened if desired.

Size 7.75, can be resized.