Bi Color Green Tourmaline and Diamond Tower Ring black pearl those from the Mahenge plateau

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

Black Spinel — 7

64 carats of black and white diamonds

40 carats of hand-selected diamonds in 18k white gold — the spiral a Zahira signature

Bi Color Green Tourmaline and Diamond Tower Ring black pearl those from the Mahenge plateauBi 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,