ANTIQUE PLATINUM AND GOLD EMERALD & DIAMOND RING: 18K yellow gold with platinum ring centering a 1 ct emerald cut emerald. Approx 1 ct, Rated VS in clarity (Type III), G in Hue, 3-4 in Tone and 3 in Saturation. 14 early Swiss cut diamonds. Approx. .40 CTW Rated VS in clarity and H-I in color. The emerald and diamonds are prong set. Weight: 3.2 grams. Circa: Approx. 1910