IGI LG444082597 1.46 carat H VS1 SQ lab grown diamonds VG IGI Video

  As SQ lab diamonds technology improves, the question of how gem-quality synthetic diamonds can enter the huge diamond market is one that synthetic diamond manufacturers are eager to address. In previous years, synthetic diamonds were sold by unscrupulous merchants adulterated with natural diamonds and appeared in group-set jewellery, causing alarm throughout the diamond industry. This phenomenon has been brought under control with the spread of testing techniques for synthetic diamonds in jewellery testing laboratories.