A colorless, high-quality 327-carat diamond was recently found in the Karowe Mine diamond mine in Botswana. The discovery took place at the end of April, a few days after finding a...
Turquoise is an opaque mineral with light green to light blue color. Its Mohs hardness reaches 5-6 and is a bit harder than glass. Turquoise is a secondary mineral, meaning it is c...
Christie's Auction House is offering over 200 personal items, jewelry, clothes, accessories and movie memorabilia that belonged to the famous movie and stage actress Audrey Hepburn...
Emerald is a dark green gemstone. It 's one of the most expensive, gemstones and is widely used in jewelry design. Emeralds belong to the beryl variety and are colored green by tr...
Carat, one of the 4 C's that determine a diamond's value, is the weight measurement unit used for gemstones. The carat was introduced as a unit of diamond weight measurement in th...
Color is one of the four key features that determine the value of a diamond (along with cut, clarity, and carats) and is perhaps the first thing we observe in a diamond after its g...
Diamonds are created in the earth's mantle, about 160 kilometers below the surface of the earth where intense pressure and high temperatures change the molecular structure of carbo...
