Tourmaline 53.71ct GRA Report Number 1830008234AN Shape: Oval & Emerald No. of Stones: 13 Color (Transparency): Pink, Pinkish Purple, Purplish Gray (Transparent) Treatment: Tourmaline is commonly treated Additional information: Highly magnified pictures taken with a macro lens intended to show any imperfections less visible to the naked eye. Refer to the measurements for actual size