Single ring with crystal clear green tourmaline. Beautiful alone, but can also be mixed with other rings for a unique expression. The Nord Green Ring is made in 18K white gold. Set with a beautiful green/ blue 0.35ct baguette-slap Tourmaline as well as their calm signature diamond. Brill.0.003ct TW.VS. The socket measures 7 x 4 mm. This cute ring is also found in 18K gold.