Diamond Testers
Reliable diamond testers help jewelers, pawnbrokers and gemologists separate natural diamonds from simulants and moissanite in seconds. WJT Group supplies thermal and combination testers trusted across Thailand's jewelry trade.
Reliable diamond testers help jewelers, pawnbrokers and gemologists separate natural diamonds from simulants and moissanite in seconds. WJT Group supplies thermal and combination testers trusted across Thailand's jewelry trade.