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From: Ralph Mowery <rmowery42@charter.net>
Newsgroups: sci.electronics.design
Subject: Re: OT: Marcury has a layer of diamond 10 miles thick, NASA spacecraft finds
Date: Thu, 1 Aug 2024 16:14:44 -0400
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In article <v8gd3o$28fgc$1@dont-email.me>, bill.sloman@ieee.org says...
> >
> >>> Diamond, like gold, is valuable because it's rare. Accessing cubic
> >>> miles of diamonds would trash its value.
> > 
> > Diamonds are only valuable because of the De Beers convincing the women
> > they need them.  Almost all diamonds used to go through them and they
> > would only let a few out and if you tried your own mine and a store
> > bought some from you the De Beers would cut them off.
> > 
> > They are like paint.  Anyone can get paint and put it on a canvas but if
> > you have the big name you get thousands or millions for the painting.
> > Diamonds can be cut and put into jewelry as an art form.
> 
> Somebody hasn't heard of industrial diamonds.
> 
> https://en.wikipedia.org/wiki/Diamond
> 
> "Eighty percent of mined diamonds (equal to about 135,000,000 carats 
> (27,000 kg) annually) are unsuitable for use as gemstones and are used 
> industrially. In addition to mined diamonds, synthetic diamonds found 
> industrial applications almost immediately after their invention in the 
> 1950s; in 2014, 4,500,000,000 carats (900,000 kg) of synthetic diamonds 
> were produced, 90% of which were produced in China. Approximately 90% of 
> diamond grinding grit is currently of synthetic origin."
> 
> 
> 

Yes there are plenty of industrial diamonds and they are almost 
worthless compaired to the jewelry quality.  

In not too long ago time there has been a way to make them instead of 
mined diamonds.

Diamonds are rated by how well they can be converted to jewel quality.
The 4 C's.  Color cut clairty carat. If they do not measure up they go 
to the industrial bin and are almost worthless.