Presidium® PRIM II Refractive Index Meter for identifying and verifying diamonds, lab-grown diamonds, simulants, and moissanite | Stuller

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Presidium® PRIM II Refractive Index Meter Stone Tester

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Flexible Collection

Bridal

Mountings

Findings

12/12/2025 Market Prices:

Gold 4346.95 Platinum 1779.00 Silver 64.51