A 1.95-carat Marquise brilliant Zultanite specimen with Strong — table-up viewing optimal, pleochroic axes well-managed by cutter. Cut from rough mined in the İlbir Mountains, Türkiye, in 2020 by a master cutter specializing in cleavage-aware lapidary on diaspore. Approximate dimensions 12 × 6 × 4 mm.

Provenance

This specimen was cut from rough mined in the İlbir Mountains of southwestern Türkiye — the only currently producing locality for gem-quality color-change diaspore. The rough was cut by a master cutter trained to orient the table facet to minimize cleavage exposure on the {010} plane.

Optical performance

Strong — table-up viewing optimal, pleochroic axes well-managed by cutter.

Physical specification

Weight: 1.95 carats. Dimensions: 12 × 6 × 4 mm. Cut: Marquise brilliant. Cut year: 2020. Locality: İlbir Mountains, Muğla Province, Türkiye.