18-karat white gold Faceted round melee black and white diamonds = 0.04 ct. tw. Lobster claw clasp It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care. Our products are 100% genuine. In some cases, we do not purchase merchandise directly from the brand. In all cases, we stand by the authenticity of every product sold on our site.