Exceptionally lovely 1 3/4ct Pink Topaz and Diamond Gemstone Ring. 16 diamonds totaling .14ct. Gorgeous diamonds, fine deep color. Pink topaz is made from white topaz that is coated pink by using the vapor deposition method, patented by Azotic Coating Technologies. While the pink coating on pink topaz is durable, exposing the gemstone to intense heat can cause the color to fade. All pink topaz sold by SuperJeweler is enhanced with the vapor deposition method.