Gemological Institute of America

Interesting news, articles, tips and tidbits about Mayfair area.

The Rock – Largest White Diamond at Auction

The Rock - Largest White Diamond At Auction

The biggest white diamond sold at auction will be auctioned on May 11 at Christie's in Geneva. The presale estimate for the 228-carat pear-shap...

Tips to Shop for the Right Engagement Ring

Tips To Shop For The Right Engagement Ring

If it's time for you to begin shopping for an engagement ring, then congratulations! Buying a ring and getting ready for your proposal is an ex...