IMPRESSIVE TURQUOISE & DIAMOND LADY'S RING: 18.00 X 13.00 Robin's egg blue oval cabochon cut turquoise, - slightly mottled with .25 CTW round full cut diamonds. The diamonds are SI in clarity and H-I in color, 3/4 x 1'' top. Ring is size 6. 14K Weight: 22.4 grams. Note: Seller says the stone is from the same mine as the stones used for the Crown jewels of Iran. Est. $600/800**