Bella Jade Butterfly Pendant Necklace of Nephrite Jade & Cubic Zirconia on Sterling Silver,18" Chain 4 green nephrite jade stones, each is about 3.65 carats (4 x 3.65 carats) and about 7x11mm in dimensions. Beautifully set on a 925 sterling silver frame that is about 8.8 grams, together with cubic zirconia crystals, making this beautiful pendant necklace a gorgeous and one of a kind gift for yourself or any whimsical woman. The 4 genuine green nephrite jade stones are manually carved and polished, without any chemical treatment, heat-treatment or dyeing, 100% natural and genuine. Comes with an 18 sterling silver snake chain, and a jewelry box. If you're looking for a necklace with 100% natural and genuine green nephrite jade that speaks to personal style, this is the one for you.