This is a stunning platinum engagement ring and wedding band set by Tiffany & Co. The ring is centered with sparkling round brilliant cut diamond that weighs 0.73ct. The color of the diamond is F with VS1 clarity. The top of the ring measures 6.5mm in diameter. The set is signed TIFFANY&Co PT950 and weighs 6.4 grams. The set is size 5 1/2 but it can be resized.