18K JADE & DIAMOND RING: 18K yellow gold ring centers one 12.75 x 10.00 mm oval cabochon of jadeite jade, green in color, framed by 20 round brilliant cut diamonds and 6 square step cut diamonds totaling approx. 1.00 Ct. The diamonds are rated VS in clarity and F-G in color. The jade is prong set. The diamonds are prong and channel set. Size 8. Weight: 8.1 grams.