And how do untreated gemstones compare to treated gemstones? Van Dell explains. At the Salt Lake City ROADSHOW In August 2016, jewelry expert Katherine Van Dell appraised this ca. 1900 emerald ...

Natural Emerald Characteristics. A gemstone in the beryl family of minerals, emerald, has a characteristic deep green color because of the presence of iron and chromium. The gemstones are regarded as ...

Since then, the Colombian emerald market has been on the rise; a 25-carat Colombian emerald ring by Boghossian sold by Christie's Asia last month went for $1.7-million (U.S.).

Gemstones News: panna stone, emerald stone - Thanks to its vibrant and attractive color, the Emerald gemstone holds a top-notch position amongst gemstone lovers these days. And why wouldn’t it ...