By Kathleen Beckett Pity the poor spinel. The gemstone that many people have never heard of has been saddled for centuries with the name “the great impostor,” Alessandro Borruso said as he ...

However, the Jewelers of America and the American Gem Trade Association (AGTA) have just changed all that – announcing a newcomer birthstone for August: Spinel. The two organizations have added ...

The 50.13-carat Hope Spinel fetched $1.47 million at the auction, easily shattering its high estimate of $310,000. The gem set a world record for achieving a price of $30,000 per carat ...