Add Yahoo as a preferred source to see more of our stories on Google. “The term ‘gemstone’ can be thought of as a catch-all term for the many natural mineral and crystalline formations found within ...

From astrological signs to flowers, there are many identifiers for someone's birth month. But there is none quite as beautiful or valuable as the birthstone. Each month has its own gemstone which ...

A Sri Lankan gem company claims it has discovered the world's largest single natural blue sapphire, a 683-pound gemstone that it plans to auction after obtaining an official valuation. A 310 kilograms ...

Beyond astrological signs, there are several other symbols based on someone's birthday. Each month has a gemstone – and some even have more than one. With about 100 gemstones out there, that's a lot ...

U.S. consumers will spend a record $6.4 billion on jewelry around Valentine's Day this year, according to Ankur Daga, founder and CEO of fine jewelry e-commerce company Angara. A decade ago, about 5% ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Thomas J. Brock is a CFA and CPA with more than 20 ...

A number of states have official gemstones in order to promote geological identity and natural resources, encourage tourism, as well as acknowledging history and unique geological features. State ...

Look for durable gemstone engagement rings, such as those made with sapphires, rubies and emeralds. One thing to keep in mind: Sapphire, ruby, topaz, aquamarine and amethyst are some of the most ...