the emerald. Due to its rarity, red beryl stones sell for as much as $10,000 per carat. The Ruby Violet mine, owned by Gemstone Mining, produces 5,000 to 7,000 carats a year. "Gemstone mining map ...

the emerald. Due to its rarity, red beryl stones sell for as much as $10,000 per carat. The Ruby Violet mine, owned by ...

emerald mine “I often say it’s essential to know ... Thailand is considered the center of the world gemstone trade where much of the cutting, polishing and dealing in colored gems are located.

The Bahia Emerald, a 752-pound stone smuggled to the U.S. more than a decade ago, is expected to soon return to Brazil.

since then the largest stone was found in 2018, weighing 1.54 kg," the statement says. The mineworkers found the emerald in a mine 260 meters deep. "This is a real natural sample, unique not only ...

One story even held that the giant stone was swallowed by the ... found that the first license to mine the site that yielded the Bahia Emerald wasn’t issued until years after its discovery.

Mining company Gemfields is celebrating its 50th auction of Kagem emeralds this month, marking a significant milestone within the industry ...

A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the world's most expensive green stone. Sold by Christie's, the Cartier ...

The rarity of precious gemstones comes down to the ... that are more conducive to smaller-scale mining and extraction by hand, Smith said. Emerald is the green version of the mineral beryl that ...

Rubies are the most highly valued gemstones after diamonds and ... 500% and Zambia is home to the world’s largest emerald operation, Kagem mine, owned by Gemfields. This accounts for a quarter ...