It is a natural black spinel ring. The main stone is 8mm*8mm heart cut, weight about 2.33 carats. The basic metal is sterling silver and plated with rhodium. To change the metal to a solid gold (white/rose) or platinum is also available, please ask for a quotation if you want. You can also go to my shop Home for more elegant rings: https://www.etsy.com/shop/godjewelry?ref=hdr_shop_menu More black spinel rings: https://www.etsy.com/shop/godjewelry/items?ref=seller-platform-mcnav&section_id=21 Black Heart Cut Jewelry For Wedding, Valentine's Day Black Diamond Jewelry, Black Heart-shaped Diamond Jewelry, Black Heart-shaped Jewelry For Anniversary, Black Heart Cut Heart Ring As Gift, Black Heart Cut Ring For Gift, Elegant Black Heart Ring For Weddings, Black Diamond Heart-shaped Jewelry, Black Diamond Jewelry For Valentine's Day