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WebJun 30, 2024 · 1. Feb 17, 2014. #7. I am also looking at a gemstone certified by Chanthaburi Geomological Laboratory. It is offered by Colorgemstore on ebay. This sapphire is exactly the color (deep, rich blue) and size I am looking for and is untreated, like I want. The seller has 100% positive feed back, but this seems too good to be true. WebCGL Lab. The seal for the Central Gem Laboratory. The CGL (Central Gem Laboratory) is the premiere laboratory in Japan and Asia. Japan has a large market for fine gemstones, and this lab continues to lead the … sharon bandstra
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WebGemological Science International research department is at the forefront of the rapidly changing processes related to treatments of diamonds and gemstones, synthetic … WebBorneo Gems Laboratory. Contoh memo. Previous Next. Responsive Multipurpose HTML5 Business Template. Borneo Gems Laboratory HOME; MEMO; SERTIFIKAT; … Responsive Multipurpose HTML5 Business Template. Borneo Gems Laboratory … WebOct 17, 2013 · The New York laboratory recently examined a 2.44 ct pear-shaped CVD (chemical vapor deposition) grown diamond with unusual internal spiral markings (figure 1). Figure 2. Micro image of the largest spiral marking; the line thickness is 40 microns. Photomicrograph by Paul Johnson. population of samson al