Advertisement 8But Groupe RSL grows its diamonds in a vacuum, which means it doesn’t need such pressure or time, just heat. Sinclair said the vacuum is inside a microwave, and inside the vacuum is a plasma reactor, which holds a plasma chamber. Here, diamond seeds just three to 10 millimetres wide and 0.3 millimetres thick are placed.
But Eira Thomas, chief executive of Lucara, said CVD is not as environmentally friendly as consumers may think.Kitco News. “The creation of a diamond in a lab requires tremendous base-load power. Yes, if you’re plugged into a green grid, then maybe that’s possible. But you’re certainly not doing that with solar power.
Henriques paid $6,000 for his 1.72-carat diamond and band from Philippe and Co. He estimates he would have paid $10,000 for the stone alone had he purchased a mined diamond.Article content Henriques, however, is unconcerned about the resale value, because he doesn’t plan to resell it. Even if mined diamonds were comparably priced, he said he still wouldn’t have bought one.Prior to the Kimberley Process, a mined diamond benefited from a level of anonymity. A blood diamond looked identical to an ethically sourced diamond.Article content
So it's not a precious stone then.
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