GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

This alexandrite cabochon appears brownish green in fluorescent ... reflecting off dense concentrations of parallel needles or hollow tubes in cabochon-cut gem materials. To maximize chatoyancy, the ...

Benitoite is a blue to blue-purple gemstone made of aluminum oxide with ... roughly 10 times the regular price-per-carat value. Alexandrite was first discovered in Russia in the 1830s and named ...

Fluorite is found in shades of purple, blue and green. The stone can be highly polished and cut into a multifaceted gem with the brilliance of a more ... and global prices are steadily increasing.

Whether you prefer to stick with the classic themes or put your own creative spin on them, these traditional anniversary ...

Unlike mined alexandrite gemstones, engagement rings with alexandrites that are lab-grown are free of inclusions and conflict, as they have a minimal environmental impact. This makes them highly ...

Or sign-in if you have an account. U.S. authorities allege a Toronto gem broker, whose company claims to be Canada’s largest wholesaler of coloured diamonds, was the silent partner behind a ...

Hundreds of vendors from dozens of countries converged in Tucson, Arizona, for the annual Gem and Mineral Show, where the best and most impressive gems, minerals, and fossils turn the past into profit ...

Scientists from the University of Copenhagen—drawing on research of 60,000 years of volcanic activity derived from ice cores from Greenland and Antarctica—have re-contextualized an ancient ...

The Beatles pictured at the BBC in 1966 (L-R): Paul McCartney, Ringo Starr, John Lennon and George Harrison The Beatles and the Rolling Stones have both won Grammy Awards, as the ceremony gets ...

Add articles to your saved list and come back to them any time. My father, having long ago made the mistakes I was currently making, was easily prescient. “Don’t throw stones so close to us ...