2.08-Carat Zultanite — Emerald Cut, Moderate Color Change

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Specimen

2.08-Carat Zultanite — Emerald Cut, Moderate Color Change

Zultanite
Fact-checked 2026-04-27

By Dr. Ömer Aksoy Mining Geology & Provenance Editor

A 2.08-carat Emerald (step) cut Zultanite specimen with Moderate — visible three-illuminant range with champagne-gold mid-phase. Cut from rough mined in the İlbir Mountains, Türkiye, in 2021 by a master cutter specializing in cleavage-aware lapidary on diaspore. Approximate dimensions 8.5 × 6.5 × 4.2 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

Moderate — visible three-illuminant range with champagne-gold mid-phase.

Physical specification

Weight: 2.08 carats. Dimensions: 8.5 × 6.5 × 4.2 mm. Cut: Emerald (step) cut. Cut year: 2021. Locality: İlbir Mountains, Muğla Province, Türkiye.

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