Unheated Tanzanite with trichroic display. We lovingly call these Mermaid Tanzanite in the office because of the mystical aquatic colors.  Will heat to a lavender and blue.  Tad on the thin side. Sourced from Tanzania.

19.405 carats / 18 x 16 x 6 mm / clean

Estimated value of $700 - $1000