Reply To: Where to buy hydrothermal rough and imitation diamond? › Forums › Cutting Material and Identification › Where to buy hydrothermal rough and imitation diamond? › Reply To: Where to buy hydrothermal rough and imitation diamond? September 3, 2017 at 3:50 am #3472 tucsonbearParticipant @Tucsonbear Here is a site I just found tonight, all colors of hydrothermal quartz at 7 cents a carat, hydrothermal emerald at $15 gram, all kinds and colors of synthetic corundum, spinel, etc. http://www.gemsngems.com