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Note: Roseco will be open on New Year's Eve until 4:00pm Central and closed on New Year's Day.
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Diamond Testers

Roseco carries a selection of diamond testers and diamond-moissanite testers that are either battery-operated or AC powered. Choose from brands, such as A-Source, Ceres, Presidium, and RS Mizar.


GemOro UltraTester 3+ and UltraDock
GemOro UltraTester 3+ and UltraDock New!
GemOro Testerossa Diamond Tester
GemOro Testerossa Diamond Tester New!
Oris Nelson DiamondNite Tester
Oris Nelson DiamondNite Tester
Oris Nelson Prestige Series II Diamond Tester
Oris Nelson Prestige Series II Diamond Tester
Presidium DiamondMate-C Diamond Tester
Presidium DiamondMate-C Diamond Tester