Carat...0.517ct Color...D Clarity...SI-1 Cut...Very Good Size...5.13mm-5.19mm x 3.18mm Fluo...NONE Chain...PT850 Venetian chain (0.6mm), 45cm, with slide adjuster Weight...1.97g (including stone and chain) We have created a six-prong necklace, a timeless favorite, with a colorless, transparent D-color diamond! Please refer to the sorting bag for the diamond specifications. This item is a classic, so there's not much explanation needed. Please consider it for yourself or as a gift for someone special. It's sure to be a hit! ☆ Comes with a Central Gemological Laboratory sorting bag and a jewelry case. ☆ If you need an appraisal certificate, it can be issued for an additional fee. ☆ 10% off for followers ☆ Followers, please let us know in the comments! ☆ Thank you for your always warm comments. We are closed on weekends and holidays, so we apologize if our replies are delayed.