This signed Tiffany & Co. engagement ring features a beautifully cut 2.55 ct Brilliant Round diamond of D color and VS1 clarity... Flanked with a pair of graceful, tapered baguettes = 0.40 ctw (approximately), this platinum ring will forever remain a classic. Purchase includes original Tiffany & Co. ring box, complimentary sizing and original GIA Certificate which states that this diamond weighs 2.55 carats, is of D color and VS1 clarity.