If you follow this blog, you know to look for GIA reports when making a diamond, pearl or colored gemstone purchase. The “blue” GIA report had been around for more years than we can count – that is, until January of this year, when GIA began issuing its trusted reports in a new look. By integrating new technologies and simplifying the format, the reports were redesigned to set a new standard for jewelry buyers in terms of ease of use and credibility.

The story of the Cheapside Hoard has the twists and turns of the finest detective novels.

Between 1640 and 1666, nearly 500 items – including jewelry and loose gems – were placed in a wooden box and hidden in the cellar of a building near London’s St. Paul’s Cathedral. A large Colombian emerald pocket watch; a rose-cut sapphire and diamond cross pendant; an enameled gold ring set with a large table-cut diamond; a 2,000-year-old Egyptian agate cameo – these were just a few of the spectacular pieces secreted away.

March’s aptly titled birthstone, aquamarine, grows in gorgeous crystals and sparkles like the ocean on a sun-kissed day. But do you know what to look for when shopping for aquamarine?