Whether it's understanding gemological or jewelry terms in an article you're reading or simply gaining a greater understanding of the world of jewelry and gemstones, our Jewelry & Gem Dictionary is a handy reference guide. And, unlike most dictionaries, ours makes for interesting reading all on its own!

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YAG
YAG is an actonym for yttrium aluminum garnet, a man-made imitation diamond. This imitation stone lacks the fire of a natural diamond.

YELLOW GOLD
Yellow gold is gold that has been alloyed with a mix of 50% copper and 50% silver.

YGF
YGF is an abbreviation for yellow gold filled.

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