Ceres Dual XL

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Was Originally $249.00

On Sale for $168.75

While supplies last. Manufacturer is out of business. No warranty or returns.

The Ceres Dual XL is the leading diamond and moissanite testing tool preferred by jewelers and jewelry store chains around the world. Its state-of-the-art electronics and design features virtually eliminate the possibility of an inaccurate test. 

Utilizing technology originally invented and patented by Ceres Electronics Corporation, the pioneer in thermal gem testing, the Ceres Dual XL provides the most reliable, fast and portable protection from fraud on the market. Electrical: 100V~240V. Made in USA.


  • One-touch immediate simultaneous test, accurately distinguishing diamond and moissanite from other simulants.
  • Innovative electronics and superior Surface Mount Technology (SMT) that instantly indicate stone's authenticity with audible beep and visual light.
  • Retractable, spring-loaded durable XL tip.
  • Foolproof, fully integrated metal warning buzzer that detects when mounting, not stone, is touched.
  • Fastest recovery time between tests.
  • Rechargeable NMH batteries, automatic shutoff, and AC adapter/charger in a leather carrying case included.
  • Sleek, trim design small enough to fit in your pocket.
  • Experienced customer service available to answer questions and maintain your tester.
  • Limited lifetime warranty.
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