A new tool for screening gemstones
GemPen is portable, time saving and versatile.
Watch our founder explain GemPen
Get to know GemPen
UV screening tool designed for gemmologists
Three additional interchangeable Filters
Travel Case / Darkroom with perfect fit and feel
GemPen Academy / Gemstone map
Reference images for more accurate interpretations
Watch GemPen screen diamonds for synthetics
Awarded with a Red Dot for user-centered design excellence.
Third party validation
GemPen is included in the Assure Program for verification instruments
GemPen stand out in particular by the following features:
Separate natural untreated from synthetic and treated gems
Bring it anywhere. Battery powered and rechargeable.
Throughout the value chain
Works for rough, polished and mounted gems
Screen hundreds of gems in a matter of minutes
Screen gems regardless of size
Dust, moist and shock resistant