I'd never heard of a diamond going into "surgery," so when I was invited to watch a massive 5-carat pink diamond worth $3.2 million go under the knife (aka, diamond cutting wheel), I was more than a ...

I found an ebay auction and bought 5 diamond cutoff wheels for my dremel, because I couldn't find them anywhere else, and online they were selling for like $7 each...<P>Anyway, are these good for ...