This is 12 carats of Genuine Ice Blue Moissanite, set in solid Sterling Silver... These gems are an Icy Carribean Blue, with more fire than a Blue Diamond. Secure push lock closure with 2 safety latches. Each Moissanite is a 4mm gem. High quality piece ... Each bracelet weighs 12 grams. These are Beautiful bracelets! Lengths available are 7.25" and 8" These will test positive for Diamonds on a Diamond tester, as Genuine Moissanite do. New ❤ 8" is Sold Out only 7.25" available