how much does genstone cost
Stones over one carat may retail for $10,000/ct. while stones between 2.00 and 5.00 carats can fetch over $20,000/ct. Fine large alexandrites above five or six carats are extremely rare and top stones can sell for over $200,000.This section has no relevant content published at this time. 1  See also.2  External links.tones over one carat may retail for $10,000/ct. while stones between 2.00 and 5.00 carats can fetch over $20,000/ct. Fine large alexandrites above five or six carats are extremely rare and top stones can sell for over $200,000. This section has no relevant content published at this time. 1  See also. 2  External links.