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GIA

@giapins
gia.edu
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Gemological Institute of America. Creator of the 4Cs of diamond quality and the International Diamond Grading System™.
23.6k followers
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24 following
Diamond: Gemstone and Jewelry
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209 Pins
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15w
Jewelry
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334 Pins
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Garnet: Gemstone and Jewelry
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Feb Q1'22 Ads
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All About the Diamond 4Cs
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77 Pins
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154 Pins
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Peridot: Gemstone and Jewelry
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40 Pins
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On the Auction Block
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73 Pins
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3y
Opal: Gemstone and Jewelry
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80 Pins
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3y
Tourmaline: Gemstone and Jewelry
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68 Pins
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3y