Antique "Modified Marquise Brilliant" Diamond, Platinum RingAn exquisite early 20th century ring, presenting an antique hand cut Modified Marquise Brilliant Cut diamond weighing 2. 69 cts., set in a lovely handmade platinum ring, the gallery composed of Edwardian garland ornamentation, decorated throughout by fine millegraining, hand engraved contouring and a shimmering display of fifty Old European single cut diamonds, circa 1915. G. I. A. Report #14073483. G. I. A. Report #14073483. (click to view)