A blue spinel without any hues. The cut is unusual; the rudist is polished and faceted. The stone is dark and requires an airy setting. This is why the rudist is cut this way.
Origin - Tanzania
Color - Deep blue without shades
Clarity - Clean, no cracks (all removed during cutting)
Designer cut. Made in the Urals.
Size: 6.91 x 5.68 mm, height: 4.58 mm