Transplant: From Myth to Reality

Black and silver sophistication with sport watch appeal, by Citizen. The Eco-Drive tech harnesses the power of natural and artificial light, never needing a battery. From the Drive from Citizen Eco-Drive collection.

Natural black diamonds are extremely rare. SuperJeweler sells only heat treated black diamonds, treated with the High Pressure Heat Treatment (HPHT) method. In HPHT treatment, white included poor quality diamonds are heated to approximately 1260 degrees Fahrenheit, in a reducing atmosphere, meaning under the conditions of very little oxygen, and the unpleasant white and included diamonds become black. HPHT treatment is completely safe, and produces gem quality b ...