This is a stunning platinum engagement ring by Tiffany & Co. The ring is centered with sparkling GIA certified cushion cut diamond that weighs 0.86ct. The color of the diamond is H with VVS1 clarity. The center diamond is accentuated by dazzling round cut diamonds that weigh approximately 0.25ct. The color of these diamonds is F-G with VS clarity. The top of the ring measures 9.5mm by 10mm. The ring is signed TIFFANY&Co Pt950 and weighs 5.2 grams. The ring is size 6 1/2 but it can be resized.