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2. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   In 1953 the GIA developed its International Diamond Grading System and the "four Cs" (cut, clarity, color, and carat weight) as a standard to compare and evaluate the quality of diamonds. [ 2 ] As of 2024, the institute is headquartered in Carlsbad, California , and operates in 13 countries, with 11 campuses, 9 laboratories, and 4 research centers.

3. Diamonds as an investment - Wikipedia

   en.wikipedia.org/wiki/Diamonds_as_an_investment

   Diamonds, because of their hardness, are one of the few gemstones that have a recycled market. Recycled diamonds are diamonds that have been polished and set into jewelry, then removed and possibly re-cut before sale back into the diamond industry. This sector accounts for 5%–10% of market supply. [25]

4. Diamond industry ‘in trouble’ as lab-grown gemstones tank ...

   www.aol.com/news/diamond-industry-trouble-lab...

   Lab-grown diamond sales surged from just 2% of the global diamond jewelry market in 2017 to 18.4% in 2023, according to data provided by Zimnisky. Additionally, the case for buying diamonds as an ...

5. Diamond (gemstone) - Wikipedia

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

   Gemological Institute of America (GIA) was the first laboratory in America to issue modern diamond reports, [32] and is held in high regard amongst gemologists for its consistent, conservative grading. Diamond High Council (HRD) Official certification laboratory of the Belgian diamond industry, located in Antwerp. [33]

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

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

   Some high-end fine jewelers have gotten on board with the trend. In 2023, jeweler Jean Dousset, the great-great-grandson of Louis Cartier, opened a showroom with “designer” lab-grown diamonds ...