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GIA (Gemological Institute of America)

gia.edu·
Gemological Institute of America. Creator of the 4Cs of diamond quality and the International Diamond Grading System™.
gemologicalinstituteofamerica
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25.6k followers
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24 following

Diamond Buying Tips

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20 Pins
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5d

The 4Cs: Diamond Clarity

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3 Pins
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Gems Graded by GIA

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40 Pins
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Sapphire Birthstone: Gems and Jewelry

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26 Pins
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Peridot Birthstone: Gems and Jewelry

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5 Pins
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1mo

Ruby: July's Birthstone

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18 Pins
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Diamond Engagement Rings

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7 Pins
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2mo

Amethyst Birthstone: Gemstones and Jewelry

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4 Pins
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2mo

The 4Cs: Diamond Cut

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2 Pins
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2mo

Gemstone Education and Research

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6 Pins
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2mo