Pure Er:YAG Rough, Erbium Color-Change Garnet Stone:Edge, 12.5×11.8×10.7mm, 5.02g yielding an amazing and unique

yielding an amazing and unique gem

We only managed to get a limited amount but we're going to do everything we can to secure a steady supply

These are faceted stones cut from Vanadium-doped color change sapphire

This is a custom cut pink and yellow lab sapphire done in a pixel cut tablet heart

The blue also gets more vivid--the frosted faces make it look greyer than it is

Pure Er:YAG Rough, Erbium Color-Change Garnet Stone:Edge, 12.5×11.8×10.7mm, 5.02g yielding an amazing and uniqueThese are facet rough of erbium doped YAG, a lab grown garnet used in lasers for both medicine and industry. Erbium YAG has a very obvious color change between different light sources. Under sunlight and cool LEDs it's a nice orange, but it shifts easily, changing color between Cool LEDs (orange), Warm LEDs (yellow), CFL (strawberry pink), and OLED (magenta) as well as under fluorescent lighting and OLED illumination. Sunlight shows an orangeish pink.