Tiffany & Co No Heat Sapphire & Diamond Halo Engagement Ring 3.9 ct Platinum

An authentic Tiffany & Co. oval cut no-heat blue sapphire and round brilliant cut diamond halo ballerina/engagement/statement ring in platinum, 2.3 mm wide, 3.9 ct total weight. The center is a natural sapphire of approximately 3 ct, no heat, measuring 9.07 x 7.51 x 5.10 mm. Twelve round brilliant side diamonds add approximately 0.9 ct total, E-G in color and VVS-VS in clarity. The ring weighs 7 grams, is a size 7, is stamped "TIFFANY&Co. PT950", and comes with the GIA certificate, number 641501****, and Tiffany & Co. inner and outer box.