The tester here uses thermal conductivity to test diamonds. It is fitted with a UV light that can be used during a test to give more accurate readings on moissanite. It can also be used to observe the fluorescence in diamonds for the purpose of color-grading.

• Moissanite registers as a diamond on diamond testers.
• Moissanite has the same thermal conductivity as diamonds.
• Measures electrical conductivity.
• Tests loose stones or stones mounted in jewelry.
• Fitted with a built-in metal alert.
• Helps eliminate false readings.
• Fitted with an illuminating band around the probe.
• Probe lights up in different colors to correspond with the test results.
• Fully automatic.
• Requires no calibration.
• Easy and simple to use.
• Powered by one standard 9V battery or optional AC power supply.
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If you are not entirely satisfied with your purchase, please return the unused item within 30 days and we are happy to process an exchange.

• Send your request of return for exchange by using "Contact Supplier" function, together with (1) transaction date, (2) your name and contact info, (3) the copy of your transaction receipt or proof of transaction and (4) reason for return for exchange for our follow-up.
• ONLY unused products with original packaging and receipts are entitled to returns for exchange. Your request must be made within 30 days of the purchase.
• No refunding of remaining amount is applicable if the good to be changed is of lower value of the original purchase. You will need to cover the exceeded difference of the value between the exchange item and the original goods.
• You are required to pay return shipping.