GemPen® Diamond Screener: • Diamond Verification Instrument • Indicates natural, HPHT & CVD lab-created diamonds with Filter 1 (included) • Indicates HPHT colour enhancement treatment on natural diamonds • Works on rough, polished & mounted diamonds • All diamond sizes: • Diamond colour range: D-M • Screens 100s of stones in a matter of minutes • Full spectrum Xenon UV light source • USOF – Ultra Spectrum Optical Filtering technology • Travel Case / Darkroom to check diamonds on the go • Portable pocket size / purse size design • Lithium-ion battery powered & USB rechargeable • Access to GemPen® Academy • Innovated by a Gemmologist for Gemmologists • Applications: in the field, wholesale diamond buyers, gemmological labs & educational institutes, appraisal services providers, screening while shopping at trade shows & when receiving set goods, pawn shops, auction houses, jewellery repair & custom design houses, jewellers, all natural & lab-created diamond retailers