Protect yourself. Protect your business.
Screen every diamond.
Screen every diamond.
GemPen® is a powerful portable tool for jewellers & gemmologists to screen diamonds, rubies & sapphires for synthetics & treatments.
Distinctive indications
Separate natural untreated from synthetic and treated stones
Throughout the value chain
Works for rough, polished and mounted stones
Darkroom
A portable viewing environment for GemPen®
GemPen Academy / Gemstone Map
Knowledge resource hub for interpreting results
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YouTube
GemPen® Premium & Darkroom – Screening Synthetic Ruby
Tutorial
Watch GemPen® screen diamonds for synthetics
Tailored Accessories
Three additional interchangeable Filters
Tailored Accessories
Travel Case with perfect fit and feel
Awarded design
Awarded with a Red Dot for user-centered design excellence
Third party validation
GemPen® is included in the Assure Program for diamond verification instruments
Portable
Bring it anywhere. Battery powered and USB rechargeable
Time saving
Screen hundreds of stones in a matter of minutes
Size independent
Screen stones regardless of size
