featuring a central square radiant cut diamond, 11.67 cts., fancy intense yellow, VVS1 clarity, natural color with even color distribution, flanked by a pair of colorless cut-cornered triangular cut diamonds, 1.20 cts. approximate total, in a platinum mount with 14K yellow gold prongs. Accompanied by GIA report #1156823240, dated December 13, 2013. Stamped, "FM PLT 950 + 14K." 10.2 grams. Size 5.75, with adjustable shank, Circa - 20th C.