💎 Unlock the true value of every gem with pinpoint precision!
The Presidium Gem Indicator (PGI) is a lightweight, ergonomic gem tester featuring the thinnest retractable thermoelectric probe tip for superior accuracy. It supports testing of 31 different gemstones with a color input function for enhanced differentiation, displays results on a clear digital LED screen, and offers USB power for versatile, portable use.
| Brand | Presidium |
| Model Number | PGI |
| Package Dimensions | 21.69 x 14.1 x 6.3 cm; 200 g |
| Material | stone |
| Item Weight | 200 g |
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