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2. International Gemological Institute - Wikipedia

   en.wikipedia.org/wiki/International_Gemological...

   IGI is the largest laboratory for certification of diamonds and fine jewelry. [8] IGI is International Organization for Standardization (ISO) 9001: 2000 certified in four countries, including the United States, Canada, India and the United Arab Emirates.

3. Diamond industry in Israel - Wikipedia

   en.wikipedia.org/wiki/Diamond_industry_in_Israel

   The diamond industry of Israel is an important world player in producing cut diamonds for wholesale. In 2010, Israel became the chair of the Kimberley Process Certification Scheme . [ 1 ] As of 2016 [update] , cut diamonds constituted 23.2% of Israel's total exports and they were the country's biggest export product, amounting to 12% of the ...

4. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   Diamonds with higher color grades are rarer, in higher demand, and therefore more expensive, than lower color grades. Oddly enough, diamonds graded Z are also rare, and the bright yellow color is also highly valued. Diamonds graded D–F are considered "colorless", G–J are considered "near-colorless", K–M are "slightly colored".

5. Are lab-grown diamonds 'worthless'? Experts weigh in as ... - AOL

   www.aol.com/news/lab-grown-diamonds-worthless...

   In 2023, sales for wholesale polished diamonds fell 20%. Elissa Sommers, the CEO and head jewelry designer of Los Angeles-based Elissar Couture, said she does not sell lab-grown diamonds in her ...

6. The diamond industry is ‘in trouble’ after prices sunk 6% ...

   www.aol.com/finance/diamond-industry-trouble...

   Industry experts anticipate an additional 15% to 20% price drop in diamonds over the next 12 months. The diamond industry is ‘in trouble’ after prices sunk 6% this year. A jewelry CEO blames ...

7. Diamond Trading Company - Wikipedia

   en.wikipedia.org/wiki/Diamond_Trading_Company

   The Diamond Trading Company (DTC) is the rough diamond sales and distribution arm of the De Beers Group. The DTC sorts, values and sells about 35% of the world’s rough diamonds by value. [ 1 ] The DTC has a combination of wholly owned and joint venture operations in South Africa (DBSSSA), Botswana (DTCB and DBGSS), and Namibia ( NDTC ).