production of rings - raw or cut stone?

hello, I want to buy a friend who makes rings, some minerals ... is it better to buy raw mineral or ground / polished? and what size? thank you so much
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1 Answer

Answer :

If he has the opportunity to grind the trunks and if he can, he will be better raw. He'll grind what he needs. If he doesn't have that option, he'll be better off. Size depending on what it will be used for.
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