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Comment by thdrdt | Hacker News Reader

The paper: https://onlinelibrary.wiley.com/doi/epdf/10.1002/smll.202004... (you need access to see all parameters).

Anyway it looks like they created a very tiny diamond. So it looks to me we should not expect man made diamond rings soon.

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Synthetic diamonds for use in jewellery exist and are quickly gaining in popularity [0]. If buying a diamond ring, you might want to get a synthetic one instead of a mined one [1].

[0] https://en.wikipedia.org/wiki/Synthetic_diamond

[1] https://en.wikipedia.org/wiki/Blood_diamond

Fwiw, my wife wanted a synthetic diamond and we found they were much more difficult to obtain in practice than was acknowledged. Like going to a listing of many many stones but they were all unavailable because they were out of stock or backordered or no one would ever respond. My sense at the time the supply and/or market were inflated to attract investors and maintain attention.

I do hope that's changed because we were really interested. But at the time it was a big mirage.

We've had human-made diamong rings for years, and their existince highlights the preposterous nature of the whole diamond-jewelry industry

Lab-grown diamonds raise profound existential questions for the industry: for one, if chemically identical stones can be grown in a lab, what is the point of mining natural diamonds?

https://www.ft.com/content/8b502874-feee-11e8-ac00-57a2a8264...

Diamonds aren't rare.

The preposterous nature of the whole diamond-jewellery industry is that it's based on hiding that fact to create false scarcity.

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