The faceted sample measures 6.29 × 5.35 × 3.53 mm and weighs 0.97 ct. Photo by N. Kitdee. The traditional practice of assigning Colombian origin to emeralds exhibiting three-phase inclusions (Giuliani ...

There has been more activity in emerald mining in Colombia in the last few years than at any other time in the four centuries since the Spanish first discovered the deposits. This article combines a ...

She upped the ante with her jewelry, which included layers and layers of green Colombian emeralds from Lorraine Schwartz jewelry (over 300 carats, actually), including a gem necklace, dangly ...

She upped the ante with her jewellery, which included layers and layers of green Colombian emeralds from Lorraine Schwartz – totalling more than 300 carats – including a gemstone necklace with ...