Rule one, if it is too good to be true, it probably is. Rule 2: Most certificates from India state that the stone is different from what the certificates state.
For my collection, I got most of the expensive stones from my jeweler friend and some of the cheaper ones from eBay. And a few from GEmsvana. For example, I bought a cool color-changing fluorite there.

Games like pizza tower are always appreciated by me since they have really benefited me.