what is the most valuable stone?
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Answer:
The World's Most Valuable (Prized) Gemstones
Tanzanite. Discovered in 1967, Tanzanite is found only in northern Tanzania in the Mirerani Hills (in just a 4.3 x 1.2 mile mining area). ...
Black Opal. Opals in general are quite valuable, black opal topping the list in terms of desire and value. ...
Answer:
Tanzanite. $1,200 per carat. ...
Black Opal—$9,500 per carat. Dark and mysterious, the black opal is very different to its lighter, white and fiery sibling. ...
Red Beryl. $10,000 per carat. ...
Musgravite. $35,000 per carat. ...
Alexandrite. $70,000 per carat. ...
Emerald. ...
Ruby—$1.18 million per carat. ...
Pink Diamond—$1.19 million per carat.