0.99-Carat Blue-Purple Color-Change Umba Sapphire


A gorgeous bright blue sapphire from Umba, Tanzania, 0.99 carats.

In stock


This beautiful l blue sapphire comes from Umba, Tanzania.  Under daylight its a medium blue and under fluorescent lighting (like the image here) it shifts to a deeper blue color.  The color change comes under incandescent light, where it changes to a beautiful violet-purple color.  This is a very clean gemstone, and quite bright and lively.

The gem is faceted in the classic round brilliant design; it weighs 0.99 carats and measures 5.9 x 3.8 mm.

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