0.96 Ct. Yellowish Green Sapphire from Tanzania

This transparent 0.96 carat oval yellowish green sapphire measures 5.95 x 4.84 x 4.03 millimeters, and it presents a mixed brilliant cut executed to a high standard. The stone displays intense color intensity, and it is unenhanced, originating from Tanzania, a source renowned for producing a range of vivid corundum tones. The cutting style combines a brilliant oriented crown with a modified pavilion geometry, and the overall finish is noted as excellent polish, which contributes to crisp facet junctions and superior light return. The proportions yield a length to width ratio of approximately 1.23, producing a balanced face up appearance that favors both color saturation and lively scintillation. The given depth of 4.03 millimeters corresponds to a depth ratio of roughly 74.7 percent when measured against the mean diameter, a geometry that concentrates color while preserving strong internal reflection when set in open backed mounting styles.

Technically the mixed brilliant cut in this sapphire is designed to optimize two competing objectives, color and brilliance. The crown is faceted in a brilliant pattern to maximize small facet scintillation and fire, while the pavilion facets are modified in a step like geometry that enhances color saturation by increasing internal path length for light traveling through the stone. This combination yields a lively pattern of angular white flashes and colored flashes that are particularly noticeable when the stone is tilted or viewed under moving light sources. The facet junctions exhibit tight symmetry and consistent facet sizing, which reduces light leakage and results in an even field of return across the table. The oval outline and this faceting architecture produce defined areas of contrast and light, creating a dynamic face up appearance that reads as larger than the carat weight might suggest.

Clarity and surface finishing are critical to optical performance, and this sapphire is graded as very very slightly included when evaluated at eye level, indicating that any internal features are small and do not materially interrupt transparency or the gemological aesthetics. At typical viewing distances the stone reads as eye clean, with inclusions neither concentrated in the table nor positioned so as to capture attention under normal wear. The excellent polish contributes to unhindered light passage at the facet planes, minimizing surface diffusion and allowing for crisp internal reflections. The combination of high clarity and meticulous polishing means that the pavilion facets act as effective reflective planes, producing strong return of white light and allowing the stone to display its intense yellowish green hue with clarity and purity. Because the sapphire is unenhanced, the color and clarity are natural attributes of its Tanzanian origin and of the rough material selected for cutting.

Light response across different lighting environments highlights the versatility of this yellowish green sapphire. In natural daylight or under balanced color temperature light sources the stone presents a cooler green leaning expression with a clear green core and subtle yellow undertones, the modified pavilion deepening the perceived saturation. Under warm incandescent light the balance shifts toward an apparent increase in yellow components, yielding a warmer yellowish green that feels richer and more luminous, while cool white LEDs will tend to emphasize green facets and the brisk white scintillation produced by the brilliant crown. In direct sunlight the contrast between bright flashes and darker facet windows increases, producing pronounced scintillation and localized color flashes that make the stone appear very lively. In softer, diffused indoor lighting the overall appearance becomes more uniform and saturated, with the mixed cut maintaining attractive, small scale sparkle that reads as refined rather than flashy. For mounting recommendations a setting that permits light to enter the pavilion such as a semi open or open back will maximize color depth and internal reflection, while a reflective metal backing will increase apparent brightness and make the yellow component more prominent.

The characteristics described here demonstrate the technical craftsmanship applied to this 0.96 carat oval sapphire, and they also explain how the interplay of cut, clarity, and natural material properties produce its visual behavior in real world use. The provenance from Tanzania adds a practical note for collectors and connoisseurs who track regional material characteristics, and the absence of enhancement preserves the natural integrity of the color and structure. For customers seeking a well cut, intensely colored green yellow sapphire with excellent polish and pleasing optical dynamics, this stone offers a combination of concentrated color and lively brilliance that adapts attractively to a wide range of lighting conditions. For further details, certificate information, or to arrange to view this gem in hand, please contact The Natural Sapphire Company, and we will provide full technical documentation and additional imagery to support your evaluation.