Introducing GemPen®
GemPen® is a brand new, portable instrument for validating gemstones.
Founded by industry professionals and utilizing top-tier technology, GemPen®
enables professional users to:

Validate the identity of gemstones

Distinguish natural from synthetic

Identify treatment of gemstones

GemPen® works for diamonds, rubies and sapphires.
Use cases & features
These are the main advantages with GemPen®:

In the field
GemPen® is portable, reliable and battery operated.

From rough to mounted

Works on diamonds, rubies and sapphires. Both with rough and polished gemstones as well as with mounted and unmounted pieces.

With instant results

Easily interchangeable filters, instant optical validation and GemPen® Academy accessible online and offline.

Test results
We have performed tests at the following institutes: 

  • Swedish Gemmological Association
  • Gemmological Association of Great Britain
  • German Gemmological Association.

See our protocols in detail »

“GemPen is the single best product for our company. It has increased our revenue with 3000%”
– Homer Simpson

Explore GemPen®

Hexagonal pen grip

Interchangeable filters

USB-C standard for recharging

Dust- & rain proof

Shock resistant, with protective casing

Highly durable

Easy to use

Hard case designed to be used as darkroom

User friendly

Portable & durable

High accuracy

Instant results

GemPen® Academy
Launching in late 2018, GemPen® Academy is a member service with exclusive access for GemPen® users.

Gemstone mapping

Utilizing a proprietary map for gemstone validation and comparison.

Knowledge hub

Including benchmark cases and guidance from industry experts

Gemstone database

With thousands of validated gemstones stored

News and events
Learn more about Gemometrics and where you can find us and test our products.

About Gemometrics

Founded in 2015, with the vision to “Assure safe global trading of Gemstones”, Gemometrics provide solutions for the entire gemstone value chain – from mine to end-client.

The initial product GemPen® enables professional users the means to efficiently determine whether a diamond, ruby or sapphire is natural, synthetic (man-made) or treated (visually improved to increase the value).

Gemometrics AB is based in Luleå in northern Sweden and works closely with several reputable universities and institutions.

Contact us
For business inquiries or if you have questions, don't hesitate to get in touch with us.
Peter Larsson

+46(0) 72 5604888

Torbjörn Lindwall

+46(0) 70 5705108