Gold & Precious metal Testing Tools

Stone testers allow you to establish whether a stone is a diamond or a moissanite, to determine if the stone is a sapphire, an emerald, topaz or zirconium.... either based on infra-red connection or based on thermal conduction. Both systems have been laboratory tested and approved.

• Pistachio Wifi stone tester.
• Presidium diamond tester.
• Laval and Presidium moissanite testers.
• Presidium diamond gauges
• Precious metal testers that allow you to test the quality of gold or other precious metals.