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Unheated Umba Sapphire in a saturated denim blue, cut in a softly proportioned cushion. Sapphires from Tanzania’s Umba Valley are prized not just for their unusual color palette but also for their fascinating inclusions—often including rutile needles, color zoning, and mineral silk that offer insight into the gem’s geologic origin
Please note that our photography is done with a 10x macro lens so you might see things in the photographs that you will not see with the unaided eye.
0.63 carats / 5.4 x 4.2 x 3.5 mm
Estimate: $195 - $215
