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Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...
Apollo Diamond (defunct, assets sold in 2011 to Scio Diamond) [1] ALTR Created Diamonds [2] De Beers (Lightbox) [3] Diamond Foundry [4] Gemesis (now a non-producing reseller called Pure Grown Diamonds) [5] Scio Diamond Technology Corporation [6] (colorless) Tairus [7] WD Lab Grown Diamonds [8]
The Strawn-Wagner Diamond is one of a relatively few colorless, internally flawless diamonds ever found, [1] weighing 3.03 carat (620 mg). [2] It was found in 1990 by Shirley Strawn of Murfreesboro, Arkansas , in the Crater of Diamonds State Park public search field.
Blame man-made, or lab-grown, diamonds, for one thing. ... Either way, one survey found the majority of Gen Z respondents preferred a three-carat lab-grown diamond to a one-carat natural mined ...
Theoretically, pure diamonds would be transparent and colorless. Diamonds are scientifically classed into two main types and several subtypes, according to the nature of defects present and how they affect light absorption: [8] Type I diamond has nitrogen (N) atoms as the main impurity, at a concentration of up to 1%. If the N atoms are in ...
A 2,492-carat diamond was unearthed at Botswana's famed Karowe mine this week by Canada's Lucara Diamond, one of the largest stones ever.. Lucara Diamond, in a news release Wednesday, said the ...
Natural minerals that (when cut) optically resemble white diamonds are rare, because the trace impurities usually present in natural minerals tend to impart color. The earliest simulants of diamond were colorless quartz (A form of silica, which also form obsidian, glass and sand), rock crystal (a type of quartz), topaz, and beryl ; they are all ...
The Canadian mining company Lucara Diamond Corp. announced in August that it had unearthed what it believed to be the second-largest diamond ever found, at 2,492 carats. The stone was found in the ...
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