0.44 ct Unheated Color-change Sapphire
Color-change gemstones are my favorite, and here's another example in an unheated Tanzanian sapphire. Purplish indoors and greenish blue outdoors, with excellent clarity and cutting.
Dimensions: 4.5 - 4.5 x 2.9 mm
Origin: Umba, Tanzania
ID Report: None
Design: "Itasca" round brilliant
Precision cut by: Gary Braun