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Carroll Chatham (1914–1983) was an American chemist who developed the flux method for synthesizing emeralds. He was the first person to develop a method for creating man-made emeralds that was able to make them commercially available. He founded the jewelry company Chatham which is still selling Chatham emeralds to this day.
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 ...
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]
Nowadays, lab-made gems exist, too. “Thanks to modern technology, gemstones can also be created in a laboratory with the same mineral composition as naturally occurring gemstones,” Salzer says.
11. Brilliant Earth Emerald Cut Lab-Created Diamond Hoop Earrings. Hoop, There It Is. Brilliant Earth.
Gübelin Gem Lab, the traditional Swiss lab founded by Eduard Gübelin; Each laboratory has its own methodology to evaluate gemstones. A stone can be called "pink" by one lab while another lab calls it "padparadscha". One lab can conclude a stone is untreated, while another lab might conclude that it is heat-treated. [25]