Gem Testing Instruments
- Presidium Duo Tester Gem Testing Instruments For Gemology School Model PDT
- 1 Pieces
- Negotiable
- Portable Gem Testing Instruments diamond / moissanites Presidium Gem Tester
- 1 Pieces
- Negotiable
- CZ Gem Testing Instruments Refractometer with Testing range 1.35-1.85
- 1 Pieces
- Negotiable