16.00‑carat Bolivian ametrine — a rare, museum‑quality specimen showcasing a natural fusion of deep amethyst purple and warm citrine gold. Measuring 15.1 × 13.7 × 10.3 mm, the gem’s substantial dimensions and expertly balanced cut emphasize vivid bicolor zoning while maximizing brilliance and scintillation. Faceting preserves strong transparency and delivers crisp light return across both color zones, allowing the purple and golden hues to present with striking contrast yet seamless transition.
Notable attributes
Origin: Bolivia — renowned for producing the finest ametrine specimens with naturally occurring, well‑defined color separation.
Weight and proportions: 16.00 ct with dimensions that yield a commanding presence without sacrificing wearable elegance.
Color: Intense amethyst purple paired with saturated citrine gold; colors are natural and well distributed.
Cut and clarity: Well‑proportioned cut enhances color zoning and light performance; eye‑clean to the unaided eye, free of distracting inclusions.
Rarity and appeal: True bicolor ametrines of this size and quality are uncommon, making this an exceptional acquisition for collectors, high‑end jewelry commissions, or investment in coloured gemstones.
Presentation and potential uses This piece is equally suited to a signature ring, a pendant focal, or as a highlight in a bespoke high‑jewelry collection. Its size and color dynamic invite creative settings that showcase the dual tones—prongs or a bespoke halo that allow light to enter from multiple facets will best reveal its optical drama.
Provenance and care Bolivian ametrine is prized for naturally occurring color zoning; proper care includes avoiding prolonged exposure to extreme heat or chemicals to preserve color. Recommend professional cleaning with mild soap and warm water and periodic inspection of settings.
A rare and impressive specimen, this Bolivian ametrine exemplifies the distinctive allure and collectible value associated with fine bicolor gemstones.
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