How much does garnet per carat?

The stone weighs one carat.

The only way to answer this questions is to first find out the quality of the diamond you're asking about. A diamond that is a D (completely colorless) IF (Internally flawless) will go for much more...

The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.

it cost $$$.

Completley dependant on clarity! They clearest is obviously worth the most, and with less inperfections the better! Find the clarity out, and repost with it, and we can help more!