7.94 Ct. Chrysoberyl from Tanzania

This cushion shape chrysoberyl offered by The Natural Gemstone Company is a substantial and technically refined center stone, weighing 7.94 carats and measuring 12.62 by 9.80 by 7.07 millimeters. The proportions produce a length to width ratio of approximately 1.29, imparting a gently elongated cushion outline that retains the classic rounded corners of the form while offering a decisive face up presence. The cutter employed a mixed brilliant faceting scheme, combining a brilliant style crown with a pavilion engineered to optimize both return of white light and retention of the gem s intrinsic color. The stone displays a measured overall depth of 7.07 millimeters, equivalent to a depth ratio of about 63 percent relative to the mean of the length and width, a proportion that balances scintillation with depth of tone. Polish quality is excellent, and the material is natural with no enhancement, originating from Tanzania, a locality noted for producing chrysoberyl with clear, well saturated yellow to yellowish green tones.

From a lapidary perspective the mixed brilliant design on this cushion chrysoberyl is deliberately configured to manage the dichotomy between brilliance and color saturation. The brilliant crown facets break incident light into numerous small flashes, creating lively scintillation on movement, while the pavilion facet arrangement returns light in larger, more coherent flashes that enhance apparent brightness without washing out the yellowish green hue. The table has been scaled to a medium proportion to avoid overexposing the interior color while maintaining lively dispersion and face up brightness. Excellent facet junctions and careful facet alignment, indicated by the polish grade, produce sharp light return and reduce windowing. Clarity is graded as very very slightly included when evaluated at eye level, meaning that inclusions are minute and typically only detectable under magnification or careful raking light. These inclusions do not compromise the gem s transparency or visual appeal, and they have been positioned and removed where possible by the cutter to preserve both structural integrity and optical performance.

Chrysoberyl is an exceptionally practical choice for an engagement gemstone because of its combination of hardness, toughness, and stable color, and this specimen exemplifies those attributes. With a Mohs hardness of approximately 8.5, chrysoberyl resists daily wear abrasion far better than most alternate colored stones, and its crystalline structure provides good toughness against impact when set responsibly. The stone s refractive properties yield a lively but controlled brilliance and a subtle play of color that can read as fresh yellowish green in daylight and slightly warmer under incandescent lighting, a behavior that adds visual interest without the unpredictability associated with some other pleochroic gems. The gemstone s substantial face dimensions ensure it reads confidently on the finger, while the cushion silhouette offers a versatile platform for a range of mounting strategies from classic four prong to protective bezel settings.

For an engagement ring application designers and connoisseurs will value the combination of size, cut, and untreated origin in this piece. The cushion mixed brilliant profile sits well in both traditional solitaire and halo interpretations, where a well proportioned halo can magnify perceived size while complementing the stone s medium color intensity. For clients prioritizing everyday durability, a low profile four or six prong setting that secures the corners and reduces exposure to impacts will preserve the stone s polish and facet integrity, while a partial or full bezel provides maximum protection with a slightly different aesthetic. Because this gem is natural and treatment free, provenance from Tanzania adds to its collectible quality, and The Natural Gemstone Company can provide detailed imagery and handling recommendations for custom setting. For an engagement that combines technical excellence with enduring wearability, this 7.94 carat cushion chrysoberyl represents a refined and sensible centerpiece, delivering measured brilliance, stable color, and the confidence of a hard, unsupplemented gem for lifelong daily wear.