3.08 Ct. Yellowish Green Chrysoberyl from Tanzania

This elegant 3.08 carat oval chrysoberyl is a compelling example of natural gem material that balances size, transparency, and wearable proportions. The stone measures 9.28 by 7.31 by 5.42 millimeters, yielding a length to width ratio of approximately 1.27, a classical oval proportion that flatters most settings and maintains optical balance. The cutting style is faceted, executed as a mixed brilliant cut, with an excellent polish that refines the surface facets and maximizes reflective return. Color is described as yellowish green with medium color intensity, a tonal quality that reads as fresh and lively without overwhelming saturation. Clarity is graded as slightly included when viewed at eye level, indicating minor natural internal characteristics that do not materially impede overall transparency or sparkle. There has been no enhancement to this gem, and its natural origin is Tanzania, provenance that is both traceable and consistent with fine quality chrysoberyl on the market today. The Natural Gemstone Company offers this piece as a distinctly natural, untreated specimen suitable for collectors and connoisseurs alike.

From a gemological perspective this chrysoberyl performs well due to its intrinsic optical properties and the thoughtful geometry of its faceting. Chrysoberyl has a refractive index in the range of about 1.746 to 1.755 and modest birefringence that typically falls between about 0.005 and 0.010, values that contribute to strong contrast between light and dark and a lively return when the stone is cut to proportions that favor brilliance. The mixed brilliant cut employed here combines a brilliant facet arrangement on the crown with a pavilion design that optimizes the path of light through the gem. This geometry produces a dynamic interplay of flash and scintillation, with large well placed facets channeling bright flashes and smaller facets creating lively scintillation. The measured depth of this oval yields a depth percentage of roughly 65.4 percent when calculated against the average of the length and width, a depth that supports ample internal reflection without excessive windowing or light leakage. The excellent polish further enhances facet junction sharpness and surface reflection, allowing the stone to exhibit crisp light return under changing lighting conditions. For an educated buyer who is assessing optical performance, the combination of refractive properties, mixed brilliant geometry, and polished finish translates into maximum light play for the gem.

Clarity and color influenced value and desirability in meaningful ways, and this stone strikes a thoughtful balance. Slightly included clarity at the eye level means the stone retains strong transparency and brilliance, while displaying minor natural features that serve as fingerprint evidence of origin and natural formation. These internal characteristics are typical of facetable chrysoberyl and in many instances reinforce the gemological integrity of the material, differentiating it from glass or heavily treated stones. Color is a key attribute for chrysoberyl value, and the yellowish green hue with medium intensity in this specimen offers both versatility and distinction. The hue is consistent with iron influenced coloration commonly observed in chrysoberyl from East African localities, without suggesting the presence of chromium or other modifiers that are associated with color change varieties. Because the gem is untreated and originates from Tanzania, its market position benefits from current collector preferences for unenhanced natural stones with reliable geographic attribution. For a purchaser considering long term value or inclusion in a curated collection, these factors contribute positively to provenance, marketability, and preservation of value over time.

Beyond technical considerations this chrysoberyl is a practical and attractive choice for wearable fine jewelry and for buyers focused on both aesthetic and investment qualities. With a hardness of about 8.5 on the Mohs scale and a specific gravity in the range of approximately 3.73 to 3.78, chrysoberyl is well suited to daily wear when set securely, and it resists abrasion better than many popular gem species. The oval outline of this 9.28 by 7.31 millimeter gem accommodates classic settings such as four or six prong mounts, and its measured depth and mixed brilliant faceting perform well in both solitaire and halo configurations. The yellowish green color offers an elegant alternative to more common hues, pairing beautifully with metals such as yellow gold for warm contrast, and with white gold or platinum for a contemporary aesthetic. For collectors and informed buyers seeking natural, untreated gemstones with transparent documentation, The Natural Gemstone Company presents this 3.08 carat oval chrysoberyl as a carefully evaluated, well cut specimen that combines optical performance, durability, and provenance. We welcome inquiries for additional gemological documentation, high resolution imagery, and bespoke mounting options to ensure the stone meets specific design and investment objectives.