Research Article Search Results

Examination of two CVD synthetic diamonds with an unusual Fancy Dark gray color.

Examination of a CVD synthetic diamond with an unusual pattern of growth dislocations that resemble natural inclusions.

Overview and commentary on the 2013 The Journal of Gemmology article “Peñas Blancas: An Historic Colombian Emerald Mine."

A look at the first CVD synthetic diamond examined at GIA that has been irradiated to a blue color.

Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.

Review of The Collector's Guide to the Minerals of New York State.

Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.

Review of Diana Scarisbrick’s Rings: Jewelry of Power, Love and Loyalty.

Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

A natural diamond with a CVD synthetic film is examined at GIA's Carlsbad lab.

A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.

Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.