18K-WG EMERALD AND DIAMOND RING CENTERING ONE SQUARE EMERALD CUT EMER.= 9.69 x 9.08 x 7.13 MM.= 3.95 CT. WITH GIA CERT STATING COLOMBIAN ORIGIN. WITH 52 BAGUETTE CUT, MARQUISE AND RBC DIA.= 3.25 CT., H-I / VS-2. SIZE 7.25, TW= 13.6 GRAMS. CIRCA 1950S.