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2. Lazare Kaplan International - Wikipedia

   en.wikipedia.org/wiki/Lazare_Kaplan_International

   LKI was founded in 1903 by Mr Lazare Kaplan. The Tempelsman Group purchased a controlling interest in LKI in 1984. LKI has been publicly listed since 1972 and remains the only company specialising in diamond manufacturing whose shares are publicly listed on a US stock exchange (American Stock Exchange; stock symbol: LKI).

3. Gemological Science International - Wikipedia

   en.wikipedia.org/wiki/Gemological_Science...

   GSI Gemological Laboratory performs a number of services including: loose and mounted diamonds grading; origin testing of loose and mounted diamonds and gemstones; cut grade analysis; light analysis reports; gemstone identification; sorting and screening of melee; treatment identification; laser inscription on diamonds and gemstones; metal engraving; metal inspection; and 360-degree virtual ...

4. 10 Biggest Diamond Companies in the World - AOL

   www.aol.com/news/10-biggest-diamond-companies...

   Russia is the world's largest diamond supplier, as it accounted for one third or 31% of the global diamond production in 2020. Finally, the global market for lab grown diamonds is highly evolving.

5. List of synthetic diamond manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_synthetic_diamond...

   Synthetic diamonds are produced via high pressure, high temperature or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.

6. Brilliant Earth - Wikipedia

   en.wikipedia.org/wiki/Brilliant_Earth

   Brilliant Earth is an American company that sells jewelry featuring diamonds and other gemstones that are asserted to be ethically sourced. [1] The company was established in August 2005 by Beth Gerstein and Eric Grossberg, and is headquartered in San Francisco, California. [2]

7. 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 ...