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Memorial diamond

Lab-grown diamonds from animal remains

Lab-grown diamonds from animal remains

Memorial diamonds (also cremation diamonds) are lab-grown diamonds that are promoted as being produced from carbon extracted from human or pet animal hair or cremated remains that are provided to the producer by the customer.

History

The first lab-made diamonds can be dated back to the 1950s, and memorial diamonds started to appear in the market in the early 2000s. More than one company has claimed to be the first to provide memorial diamonds, and both Heart In Diamond and LifeGem have claimed to have a patent covering the growing of a "personalized gem diamond".

Production process

Memorial diamonds are produced using hair or ashes, often with other carbon ("lab carbon") added.

In case of hair, it is subjected to heat treatment to extract carbon. Some laboratories also analyze the content of hair. A hair analysis report then serves as a client assurance. The process of unique identification of a diamond and a person based on the hair composition is described in the diamond patent RU2282584

Carbon can be obtained from cremated human or animal remains in a particulate or gaseous form. The carbon is then filtered using a conventional filtering technique. The carbon and other elements are then purified and graphitized, for example by a halogen purification technique.

The percentage of carbon used that is extracted from the provided material varies by service provider, with some memorial diamonds containing as little as 3% carbon from the provided material, while at least one producer uses only carbon from the provided material.

Some memorial diamonds are graded by gemological laboratories, such as Gemological Institute of America (US) or Birmingham Assay Office (United Kingdom).

References

References

  1. "Near-Colorless HPHT Synthetic Diamonds from AOTC Group". gia.edu.
  2. "Personalised grown gem diamond". russianpatents.com.
  3. "Patent US20040031434 - Method of making synthetic gems comprising elements recovered from remains ...". Google Patents.
  4. "Memorial Diamonds out of Cremains - anyone do this? Need Info.". pricescope.com.
  5. "ПЕРСОНИФИЦИРОВАННЫЙ ВЫРАЩЕННЫЙ ЮВЕЛИРНЫЙ АЛМАЗ И СПОСОБ ЕГО ПОЛУЧЕНИЯ". ntpo.com.
  6. "METHOD FOR MAKING SYNTHETIC GEMS COMPRISING ELEMENTS RECOVERED FROM COMPLETE OR PARTIAL HUMAN OR ANIMAL REMAINS AND THE PRODUCT THEREOF - INTERNAT RES & RECOVERY CORP". freepatentsonline.com.
  7. (15 April 2019). "From diamonds to rockets, mourning the dead has gotten high-tech". nationalgeographic.com.
  8. LONITÉ. "Diamond {{!}} Memorial Diamonds from Ashes & Hair - LONITÉ".
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This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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