Diamond Testing

We know how vital it is to have a trusted diamond tester at the ready. Our wide selection of testers-including the industry favorite Presidium diamond tester-offers something for every jeweler and every budget.

Presidium diamond testers are our most popular and best-selling products in this category. These diamond testers allow you to test with the ultimate precision and confidence.

Ask an expert which Presidium diamond tester best fits the needs of your business; call 800.452.7769, or shop now.

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