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2020-11-23 · View as PDF IGI's Hong Kong Lab Certifies Largest CVD Grown Diamond. Institute records another benchmark certification within 90 days. Hong Kong (November 23, 2020) — The International Gemological Institute's (IGI) Hong Kong laboratory recently certified the largest chemical vapor deposition (CVD) laboratory-grown diamond received to date. This .
The International Gemmological Institute (IGI) is a reputable gemmological lab that grades and certifies diamonds. IGI strictly adheres to the international standards of diamond certification. IGI reports gives an accurate assessment of a diamond's cut, color, clarity and carat. In the gemological world, an authentic IGI certificate is hallmark ...
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2021-10-11 · Zhengzhou Better Star Trade Co., Ltd., founded in 2015, located in Zhengzhou city, Henan province, is a professional company which dedicating to developing, manufacturing, selling and after service of lab grown rough diamond, loose diamond and customized diamond jewelry, with professional team.
2021-6-27 · For natural diamond certification, each lab gives out a single grade for features like clarity and color. This does not vary at all with lab-grown diamonds. What IGI does is that it gives detailed grades for lab-created diamonds. For example, the 1.21ct radiant diamond is given a grade E color and a VSI clarity grade.
2021-2-5 · Its lab-created diamond page declares: "All of our lab-created diamonds are As-Grown, meaning no post-growth treatment or color enhancement has been performed on them." It adds: "CVD diamonds, in most cases, require post-growth treatments to enhance the color from brown or grey to white or colorless, rarely resulting in a stone that ...
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lab-grown diamonds that are socially responsible and eco-friendly. Every PDC diamond is a 100% genuine, real diamond grown on a diamond. It has the same physical, chemical and optical properties as a mined diamond. PDC colorless diamonds are certified type lla, the purest diamond type in the world. Less than 2% of all mined diamonds are lla.
IGI is globally recognized for its excellence in diamond grading and identification. In addition, every certificate explicitly mentions the 4 Cs of the diamond and its lab-grown origin. The certificate number is laser-inscribed on the corresponding diamond's girdle and may be read under 10x magnification
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The technology behind lab-grown diamonds, mainly via the CVD method, is improving every day and it's been kept quiet by the people behind it. Although the main methods of lab-grown diamond production are open to the public, minor differences in the process can have a significant impact on the energy consumption in production.
IGI Lab Diamond Certification. The International Gemological Institute (IGI) was established back in 1975, and now has headquarters all over the globe. The independent laboratory carefully studies colored stones and jewelry, along with lab grown diamonds, to determine authenticity. Following an assessment, the experts compile an IGI lab grown ...
The IGI Laboratory Grown Diamond Report provides the same information as the IGI Diamond Report but the color of the report is yellow. The laboratory grown diamond's girdle is also laser inscribed with the report number as well as the words "lab grown." These steps are taken in the interest of clear delineation for consumers.