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The Internally Flawless grade gave diamond manufacturers a choice to leave blemishes on the surface of the stone, and achieve a grade higher than VVS 1. [2] The second change made to the grading system was the introduction of the I 3 grade. This change was made in response to a growing number of diamonds of very low clarity being cut. [2]
A briefer and less expensive version, called a Diamond Dossier, is often used for diamonds under 1 carat. While both reports contain a number of measurements, including dimensions, proportions, carat weight, color, and clarity, the Diamond Grading Report also includes a diamond plot (a graphic representation of the position and type of ...
IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services. They also offers diamond and colored stone courses through IGI's Schools of Gemology. [7] Graduates from the IGI school of Gemology are awarded an IGI Diploma.
DGLA in the US and Mumbai, India, PGGL in the US and EGL-USA are both offering versions of this grading in 2008. DGLA has graded thousands of diamonds with this promising direct assessment technology. "Brilliancescope" by Gemex is another assessment light behavior technology in use by many US and now foreign retailers and diamond cutters.
In the United States, for example, all companies that buy, sell, and ship rough diamonds must submit an annual report via email to the State Department, deadline April 1. [42] The report [ 43 ] must include the company's contact information and a detailed breakdown of the total carat weight and value in U.S. dollars of rough diamonds imported ...
BANGUI, Central African Republic (AP) — The government of the Central African Republic suspended a Chinese mining company’s operations in the country, accusing it of cooperating with armed ...
EGL may refer to: Computing. EGL (API), an OpenGL interface; ... European Gemological Laboratory; see Diamond clarity; Elegant Gothic Lolita; see Lolita fashion;
In 2003, Census reported that the United States had a greater number of exported diamonds than imported diamonds. [3] Approximately 3 million carats worth of diamonds were exported in the US in 2003, leading, raising a concern on the accuracy and legitimacy of reports of Census reported to the KPCS. [64]