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2. Diamond (gemstone) - Wikipedia

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

   Diamond[a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...

3. Engagement ring - Wikipedia

   en.wikipedia.org/wiki/Engagement_ring

   Engagement ring. Two engagement rings, as traditionally worn on the ring finger of the left hand. An engagement ring, also known as a betrothal ring, is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. A ring is presented as an engagement gift by a partner to their prospective spouse when ...

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

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

   The average cost of a diamond engagement ring in 2024 is around $6,000. The wedding industry has ballooned to ... “My recommendation for the most sustainable diamond jewelry purchase is to buy ...

5. Wittelsbach-Graff Diamond - Wikipedia

   en.wikipedia.org/wiki/Wittelsbach-Graff_Diamond

   US$ 80 million (June 2011) The Wittelsbach-Graff Diamond is a 31.06-carat (6.212 g) deep-blue diamond with internally flawless clarity, originating in the Kollur Mine, India. Laurence Graff purchased the Wittelsbach Diamond in 2008 for £ 16.4 million. In 2010, Graff revealed he had had the diamond cut by three diamond cutters to remove flaws.

6. Signet Jewelers - Wikipedia

   en.wikipedia.org/wiki/Signet_Jewelers

   Signet Jewelers Ltd. (Ratner Group 1949–1993 then Signet Group plc to September 2008) is, as of 2015, the world's largest retailer of diamond jewellery. [1] The company is domiciled in Bermuda and headquartered in Akron, Ohio, and is listed on the New York Stock Exchange. The group operates in the middle market jewellery segment and has ...

7. De Beers - Wikipedia

   en.wikipedia.org/wiki/De_Beers

   Number of employees. c. 20,000. Website. www.debeersgroup.com. The De Beers Group is a South African [3] -British corporation that specializes in the diamond industry, including mining, exploitation, retail, inscription, grading, trading and industrial diamond manufacturing. The company is active in open-pit, underground, large-scale alluvial ...