Bi Color Green Tourmaline and Diamond Tower Ring black pearl Fine heliodors of gem quality

Fine heliodors of gem quality are genuinely uncommon

those from the Mahenge plateau of Tanzania occupy a category entirely their own

64 carats of black and white diamonds

Black Spinel — 7

04 ct | Peridot — 1

Bi Color Green Tourmaline and Diamond Tower Ring black pearl Fine heliodors of gem qualityBi colour tourmalines are among the most visually captivating stones in the gem world their shifting gradients the result of changing mineral conditions during crystal growth, impossible to replicate and never repeated. This 14. 49 carat emerald cut stone moves through a spectrum of vivid, deep greens each shade distinct yet seamlessly connected, like light passing through an ancient forest canopy. Flanked by 2. 07 carats of brilliant cut diamonds,