1 Only Professional course for Rough Diamonds in South Africa? Which course is best for diamonds in South Africa? Does anyone in the diamond industry actually know the price of a rough diamond? Nowadays, precious few do. But paying the right price for rough diamonds is fundamental to the diamond industry’s economics: pay too much […]
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The 4C’s of diamonds refer to the four characteristics that are considered the most important when determining a diamond’s quality and value: These four characteristics work together to determine a diamond’s overall quality and value. In the early 20th century, Robert M. Shipley, a former retail jeweler, undertook the task of professionalizing the American jewelry industry.
International Gemological Institute (IGI) has been sold in a deal worth more than $US596.6 million. The International Gemological Institute (IGI) has 29 grading laboratories and 18 gemology schools, employing approximately 1,000 people, were 80 percent owned by China’s Fosun Group. Singapore’s BCP Asia II Topco has now acquired the IGI. The new owner of the
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