2.31 Ct. Bluish Green Sapphire from Tanzania

This sapphire presents as a transparent, round shape weighing 2.31 carats, measuring 7.56 by 7.58 by 5.32 mm, and finished in a mixed brilliant cut. The mixed brilliant execution combines a brilliant faceted crown with a modified step pavilion, creating a dynamic interplay between strong face up brilliance and deep color saturation. The crown facets are precisely indexed to return light across the table and bezel facets, while the pavilion facets are configured to trap and recycle longer wavelength light, which serves to intensify the stone body color. At a measured depth of approximately 70 percent, the proportions favor color concentration without sacrificing scintillation, resulting in a gem that reads vividly bluish green under neutral lighting while maintaining liveliness in movement. Facet junctions are crisp, facet planes are symmetrical, and the excellent polish enhances both surface smoothness and the micro facet reflections that contribute to fine scintillation. The overall cutting strategy emphasizes controlled light leakage and color retention, appropriate for a sapphire that exhibits such an intense and desirable hue.

The color of this gem is best described as bluish green with intense color intensity, an uncommon and sophisticated saturation that lies between classic blue sapphire and teal. The tone is medium to slightly deep, which allows the color to read richly without becoming overly dark in most settings. Pleochroic behavior typical of corundum is present, revealing subtle shifts between blue and green as the stone rotates, a feature that underlines the natural origin and crystallographic alignment. Clarity is graded as very very slightly included evaluated at eye level, which in practical terms means the stone is eye clean with only minute internal features visible under close scrutiny or magnification. These minute inclusions do not impede light performance, and they serve as natural fingerprint characteristics confirming the sapphire as untreated, with no enhancement. The natural origin from Tanzania informs both the geological story and the typical trace element chemistry that yields the bluish green palette, and our assessment includes confirmation that no heat treatment or diffusion has been applied. This combination of intense natural color, high transparency, and very very slight inclusion levels is rare in stones of this size and contributes to a compelling balance of aesthetic and gemological quality.

Beyond technical specification, this sapphire carries a romantic provenance tied to its color and clarity, a story we are proud to share at The Natural Sapphire Company. Imagine the meeting point of ocean current and highland forest, where a cool blue tide meets deep evergreen canopy, then distill that intersection into a single gem. The bluish green tone evokes two lives converging from distinct landscapes, each retaining its individual character while blending to create a richer whole. The very very slight inclusions are like the earliest shared memories of a relationship, faint and cherished, confirming authenticity rather than diminishing beauty. The mixed brilliant cut functions as a crafted metaphor, with the brilliant crown representing radiant moments of light, and the step influenced pavilion embodying depth and steadiness. In the hands of an experienced lapidary the rough was coaxed to preserve natural color zoning and to maximize saturation while maintaining optical performance, a choice that aligns with a narrative of intentional preservation and honest expression.

For the discerning buyer who values exacting craftsmanship and provenance, this sapphire is an exemplary candidate for a signature piece. Set in a solitaire or a three stone configuration, the stone will present a bold central color field with lively facet reflections, suitable for both modern and classic designs. The excellent polish and precise facet symmetry will allow skilled setters to align bezel or prong work with minimal recontouring, preserving weight and color. As with all natural corundum, routine care involves gentle cleaning with mild detergent and a soft brush, and professional inspection of the mount to ensure security. The Natural Sapphire Company stands behind the gemological attributes described here, offering documentation of origin and treatment findings, and support for bespoke setting consultations. This 2.31 carat Tanzanian bluish green sapphire is a technical achievement in cutting and a romantic embodiment of place, color, and enduring clarity.