Jager

A diamond with a slight blue tint, named after the Jagersfontein mine in South Africa. The blue may be due to strong fluorescence.

November 18, 2009  Tags: fluorescence, slight  Posted in: Glossary   No Comments

Fluorescence

When exposed to ultraviolet light, about half of all diamonds will display fluorescence. The amount of fluorescence determines the level to which it effects value. Fluorescence is graded from None to Extreme, with several steps in between, and it will be indicated on the stone’s certificate.

November 14, 2009  Tags: determines, fluorescence, stones  Posted in: Glossary   No Comments

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