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Hearts On Fire Company, LLC, branded as Hearts On Fire, is a privately held diamond manufacturer and jewelry design company founded in 1996 by Glenn and Susan Rothman. The privately held company is based in Boston, Massachusetts, United States, with products sold online and in 550 retail stores in 34 countries around the world, including 14 Hearts On Fire stores.〔(【引用サイトリンク】title=Our Story )〕 ==Company history== Glenn Rothman and wife Susan started a diamond wholesale business in 1978. On a trip to Belgium in 1996, Rothman saw a round brilliant cut diamond displaying a hearts and arrows pattern due to its geometrically optimized cut. Rothman dubbed the diamond "Hearts On Fire" and began selling under the registered trademark "The World's Most Perfectly Cut Diamond."〔(【引用サイトリンク】title=Trademark, The World's Most Perfectly Cut Diamond )〕 In 1998 the company established a presence in Taiwan, Singapore, Hong Kong, and the Caribbean. The next year, the company launched its first collection of diamond jewelry, creating diamond rings and earrings using its own diamonds. In 2002, Hearts On Fire patented the "Dream" cut diamond, a version of the modified square cut.〔(【引用サイトリンク】title=Proprietary/Patented Diamond Cuts )〕 In 2014, Hearts On Fire was sold to one of the world's largest retailers of jewelry, Chow Tai Fook, for 150 million dollars.〔http://www.diamonds.net/(S(j4wvcamtrpjs0v55lwh2rvfi))/News/NewsItem.aspx?ArticleID=47185&ArticleTitle=Chow+Tai+Fook+Buys++Hearts+On+Fire+for+%24150M+〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hearts on Fire (company)」の詳細全文を読む スポンサード リンク
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