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SGL - Swiss Gemological Laboratory

@sgllabs
sgllabs.com
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SGL Laboratories are respected by diamond manufacturers, jewelry retailers, and consumers alike for accuracy and consistency in every aspect of diamond grading
133 followers
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13 following
Jewelry
,
30 Pins
,
6d
Diamond Guide
,
7 Pins
,
2y
Diamond
,
7 Pins
,
2y
Gemstone
,
1 Pin
,
2y