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Blue Diamond HG

Blue Diamond HG from the Callais Collection

 

Blue Diamond is a famous turquoise mine from Nevada. The history is told in Turquoise in America Part Two, 1910-1990.

 

The cabochon weighs 31.6 carats and measures 3cm X 2cm. It is priced at $30 a carat or $948. It is not treated and backed. I have assigned a TG of 82 or HG. I bought the rough from Jesse Robbins which he had purchased as older stone mined by Ron Hammon and cut the cab myself.

Blue Diamond HG

$948.00Price
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