Regular lab-grown diamonds, which have been on the market ... Ruoff and his team of researchers have now crafted one within 3 hours. After Ruoff saw reports of carbon creation without a highly ...

That price differential increases as the value of a diamond goes up, the auctioneer has found, with a 3-carat ... Emerald Cut Micropavé Lucida Set Masterpiece” for $117,500. As lab-grown ...