The International Gemological Institute (IGI) recently graded a 116-carat, black synthetic diamond that ranks as the largest lab-grown diamond of its color. The 115.65-carat, type IIb stone was produced by UK-based Meylor Global using High Pressure-High Temperature (HPHT), and was accompanied by a second black lab-grown diamond weighing 109.58 carats, IGI said Wednesday. “The innovative … Read more
The Gemological Institute of America (GIA) is launching a new digital report for lab-grown diamonds that will feature specific color and clarity grades. The organization, which currently only offers loose descriptions and grade ranges for synthetics, will introduce the new reports early in the fourth quarter, it said Tuesday. The service will incorporate the GIA’s … Read more
Lightbox has added grading information for its synthetic white diamonds in an effort by the De Beers brand to bring further transparency to the lab-grown sector. The company will provide technical specifications showing the minimum quality of its stones across cut, color, clarity and carat weight, Lightbox said Monday. It will include these descriptions with … Read more
A court has awarded a limited victory to De Beers’ synthetic-diamond production unit in a patent dispute with Singapore-based grower IIa Technologies. IIa infringed an Element Six patent related to diamond material that’s usable for lab-grown diamond jewelry and industrial applications, according to a High Court of Singapore judgment Friday. However, another Element Six patent … Read more
The companies behind WD Lab Grown Diamonds have filed three lawsuits against competitors, accusing them of infringing patents for diamond synthesis and treatment. The Carnegie Institution of Washington, a science organization, and M7D Corporation, which trades as WD Lab Grown Diamonds, took action Thursday again six companies that produce or sell diamonds made using chemical … Read more
De Beers has provided its rough-diamond clients and Forevermark partners with guidelines on how to operate in the lab-grown market if they wish to continue tapping into its branding. The mining company, which in 2018 forayed into gem-quality synthetics with the launch of its Lightbox brand, is demanding businesses make full disclosure about their product, … Read more
laboratory grown diamond producers
