TIFFANY & CO. 18K YELLOW GOLD, SAPPHIRE AND DIAMOND RING, 14 channel-set square blue sapphires together weighing 0.80 cts. 13 full- cut diamonds set in X-pattern. Size 6 3/4. Signed "Tiffany 750". Estimate $800-1,000
The 2.2mm sapphires have a dark tone, are slightly violetish blue and are well matched. The diamonds range in size from 1.3mm to 2.2mm, are VS in clarity, G-H in color. The ring weighs 4.3 grams and is stamped "Tiffany 750".
