Size Guide

This is our "go to" light for charging all colors of Lume for photographs.  Doesn't hurt that you can see scorpions 30ft away either haha.


  • Professional gem identification flashlight with ultraviolet LED
  • 3W 365nm UV-A LED
  • Easy to use rotary switch for infinitely variable brightness
  • Advanced temperature regulation helps to reduce heat from light output
  • Waterproof in accordance with IPX8 (2 meters submersible) and impact resistant up to 1 meter
  • High efficiency constant circuit provides unwavering output with runtime up to 500 hours
  • Batteries NOT included! Uses the 18650 or 2x CR123

Ultraviolet Infinite Brightness LED Gem Identification Flashlight

Jewelers, appraisers, and gemologists alike will find the GEM10UV an ideal tool for identifying and inspecting gemstones. A powerful ultraviolet LED makes the GEM10UV an ideal tool for amber and diamond identification. With its compact design, the GEM10UV is a perfect EDC light for law enforcement and security professionals regularly engaged in currency identification or forensic analysis.

Adjustable Output with a Twist

An innovative rotary switch allows you to easily select from infinite brightness outputs so you always have the right light for any task. The convenient rotary switch is easy to operate, even when wearing gloves.

Designed for Professional Use

Weighing less than 3 ounces and marked with a measurement scale for quick size calculation, the GEM10UV will quickly become a valuable addition to any toolkit. Designed for professional use, the GEM10UV is powered by a single 18650 or two CR123A batteries and has a maximum runtime of 500 hours, ensuring your light will work as hard as you do!


Sizing Information

Ring Sizing

Click Here to add a Ring Sizer

Wider bands will generally fit a bit more snug. Getting sized at a jeweler or with a "wide band" sizer will help you decide the best route.
If you need help deciding the best size, I suggest you order our sizer above or visit a local jeweler for sizing 

Soap Sizes Vary, Pricing based on weight.