This is a rare one of a kind 14.28 carat natural tourmaline (Dravite) custom cut loose gemstone. This gemstone has the approximate dimensions of 17.80 x 11.80 x 9.36 MM. This tourmaline is very rare and one of a kind as it was cut a master gem cutter from a piece of fine Nigerian rough. This gem is unheated and untreated in any way. This gemstone would make a fabulous one of a kind creation, or a great addition to any fine gemstone collection.