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| Memorial diamond ： ウィキペディア英語版 |
Memorial diamond
Memorial diamonds are diamonds created from hair or cremated remains.
Typically, these are diamonds created in a laboratory, often referred to as "synthetic diamonds", "cultured diamonds", or "laboratory-grown diamonds". Some memorial diamonds are graded by gemological laboratories, such as Gemological Institute of America (US) or Birmingham Assay Office (United Kingdom).
==History==
The first lab made diamond can be dated back to 1950s,〔(Near-Colorless HPHT Synthetic Diamonds from AOTC Group | Gemological Institute of America )〕 while memorial diamond started to appear in the market since 2000s. More than one companies claimed to be the "first" to provide memorial diamond, and both Heart In Diamond〔(【引用サイトリンク】title=Personalised grown gem diamond )〕 and LifeGem〔(【引用サイトリンク】title=Patent US20040031434 - Method of making synthetic gems comprising elements recovered from remains ... - Google Patents )〕 claims to have the patent of growing a personalized gem diamond. Memorial diamonds are gaining popularity in the United States, United Kingdom, Switzerland, Netherlands, Japan, Germany and many other countries.〔http://macaubusinessdaily.com/Business/Exquisitely-remembered Exquisitely remembered | Macau Business Daily〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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