The word carat comes from the Carob Mediterranean tree whose seed was used for centuries as the standard of weighing precious gems. Each carob seed weighs approximately one-fifth of a gram. A carat is one-fifth of a gram.
Jewelry & Diamond Industry Dictionary of Terminology
This is a small attempt at capturing jewelry industry terms.
- absorption spectrum
- carat weight
- diamond clarity
- specific gravity
Sources for these definitions are GIA.edu, Google.com, Meriam-Webster.com, and Wikipedia.org.
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