Ultra Rare · 1.13 Carats
Cobalt-bearing spinel is one of the rarest coloured gemstones in the world. The electric, almost neon blue is unmistakable and impossible to mimic with treatment.
In the school of Hemmerle · Munich avant-garde school
Hemmerle-style mixed-metal mount (platinum + bronze or copper) makes the cobalt fluoresce visually. For a softer expression, set in a knife-edge platinum solitaire with diamond shoulders.
