Photo 1 of Valkynos Rechargeable Diamond Tester Pen with LCD Display & UV Light – Professional High Accuracy Gem & Jewelry Testing Tool for Diamonds, Easy-to-Use Electronic Selector for Novice and Expert

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Photo 1 of Valkynos Rechargeable Diamond Tester Pen with LCD Display & UV Light – Professional High Accuracy Gem & Jewelry Testing Tool for Diamonds, Easy-to-Use Electronic Selector for Novice and ExpertPhoto 2 of Valkynos Rechargeable Diamond Tester Pen with LCD Display & UV Light – Professional High Accuracy Gem & Jewelry Testing Tool for Diamonds, Easy-to-Use Electronic Selector for Novice and Expert