Courses
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Skills Verification, Gemstone & Gemmology Courses
Polariscope Skills Verification
6 Lessons Free
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Skills Verification, Gemstone & Gemmology Courses, Diamond Courses
Diamond Imitation Identification - Skills Verification
2 Lessons £49.00
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Skills Verification
GIA 20 Stone Test Set - GIA-TS1
3 Lessons £150.00