— Home Gemology —
Stone Checker
Identify colored stones, at home.
The joy of observation, in your hands.
The joy of observation, in your hands.

141 colored stones in the library
For formal certification, please consult an accredited gem lab.
These tools make identification more reliable. You can still observe without them, but accuracy will drop.
UV flashlight (long-wave)
For observing fluorescence
10× jeweler's loupe
For inclusions and color zoning
💡 No loupe? You can still observe
Phone camera at max zoom with a careful focus pull reveals inclusions and color zoning surprisingly well.
Cup your finger over the stone to block glare — the surface reflections disappear and details pop.

For formal certification, please consult an accredited gem lab.