It is a fascinating natural phenomenon that the same gemstone’s characteristics will vary depending its source. Currently, Zambia ranks as the world’s most important source of emerald after Colombia. Emerald was discovered there in 1931, but commercial production did not begin until around 1967 at the Miku deposit. Peak production reached levels as high as […]

A beauty that remains unchanged over the years is part of the appeal of untreated emeralds Untreated emeralds are made into gemstones by polishing only the high-quality portions of the rough material. The emerald as shown in the photograph on the next page is a 0.7-carat untreated Zambian emerald with a beautiful green color. A […]