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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

May Birthstone: The Brilliant Green Emerald

May’s birthstone is the brilliant, green emerald. Legends gave the emerald the power to make its wearer more intelligent and quick-witted and its the gemstone for 20th and 35th wedding anniversaries. It was once believed to cure diseases like cholera and malaria, and its color reflects new spring growth, which makes it a perfect choice of a birthstone for the month of May. (more…)

The April Birthstone Sparkles and Shimmers

Shimmering with an internal fire all its own, diamond is one of the world’s most sought-after and adored gemstones. (more…)

All About Birthstones: Garnet for January

The garnet is actually a group of several minerals that have been used since the Bronze Age as gemstones and abrasives. There are six common garnet minerals – and several other rare species. The most common garnets are  almandine, andradite, grossular, pyrope, spessartine and uvarovite The name “garnet” comes from 14th century Middle English word gernet meaning ‘dark red’, (more…)

All About Birthstones: Opal for October

October babies have the pleasure of enjoying two birthstones to commemorate their birthdays – tourmaline and opal. Last time we wrote about pink tourmaline, and now we’re going to share with you about opal. (more…)

All About Birthstones: Blue Sapphire for September

September’s birthstone is one of our favorite gemstones at GIA –sapphire. Sapphires have been long associated with royalty and romance (hence the engagement ring of Prince Charles and Princess Diana, and The Royal Couple – William and Katherine!). (more…)