PRODUCT INFORMATION

Presidium Diamond Verification Instrument®

Scales

Colored Gemstone Testers

Engraver

Gauges

Diamond & Moissanite Testers

Latest Blog

Gems in Red - Secrets of 10 Red Gemstones

13/09/2022 / Charmaine Sng

The ARI by Presidium

18/08/2022 / Charmaine Sng

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