0.46 Ct. Chrysoberyl from Ceylon (Sri Lanka)

This piece from The Natural Gemstone Company is a transparent chrysoberyl weighing 0.46 carat, rendered in a classic oval outline with dimensions 5.20 by 4.09 by 2.75 millimeters. The proportions yield a length to width ratio of approximately 1.27, which sits within the preferred range for an elegant oval outline that elongates without appearing narrow. The measured depth represents approximately 59.2 percent of the mean diameter, an intentional choice by the cutter to balance internal light return with face up color. The color is accurately described as greenish yellow with a medium intensity, a hue that sits between the pure yellow and green end members of chrysoberyl color terminology, and the stone is transparent with a clarity grade described as slightly included when evaluated at eye level. These slight inclusions are minimal in size and placement, they do not interfere with brilliance or durability, and they serve as a natural fingerprint confirming that there has been no laboratory enhancement.

The cutting and finish of this oval chrysoberyl are central to its performance. The gem is fashioned in a mixed brilliant cut, combining a faceted crown with carefully proportioned brilliant style facets, and a pavilion architecture that incorporates both modified step and brilliant elements to maximize return of spectral light while preserving color saturation. The mixed brilliant strategy reduces the risk of lacey areas and enhances scintillation across the face up plane, creating a balance between sparkle and body color. The crown facets have been calibrated to a moderate table and crown height, allowing the greenish yellow color to distribute evenly without pooling at the center, while the pavilion facets provide measured contrast that contributes to lively facet contrast and controlled dispersion. The polish quality is excellent, the facet junctions are crisp, and the girdle is even, which together allow for predictable setting without the need for additional cutting. The stone is natural and untreated, with no enhancement, and its Sri Lankan origin contributes to a characteristic tonal range that is prized by connoisseurs for its clarity of hue and even saturation.

From a gemological perspective, chrysoberyl displays modest birefringence and potential pleochroic behavior, which in this example manifests as subtle shifts between greener and warmer yellow tones when the stone is rotated under light. The slightly included clarity grade permits the observer to inspect internal features without significant obstruction of light transmission, and the mixed cutting scheme accentuates clean facet reflections which emphasize the gem's color rather than conceal it. In a hand held loupe inspection at 10 times magnification, one will note fine needle or pinpoint features typical of natural chrysoberyl, alignment of facet planes consistent with orthorhombic crystal habit, and a symmetrical oval outline that speaks to precision cutting. The excellent polish maximizes specular reflections, producing flashes of white light that contrast against the greenish yellow body color, thereby enhancing visual impact in both bright and diffuse lighting environments.

In practical jewelry application, the vibrant medium intensity greenish yellow will stand out decisively in any setting, despite the modest carat weight. In a solitaire ring mounted on a minimal four or six prong head, the stone will present as a concentrated color source, with the mixed brilliant cut delivering lively scintillation that reads as greater presence. In a halo or cluster configuration, surrounding white diamonds or lighter colored gemstones will increase perceived brightness and create a striking contrast with the warm greenish yellow tone, while a bezel with an open back can stabilize the gem and allow light ingress to reinforce color saturation. Metal choice will materially affect the perceived hue, yellow gold and rose gold will enrich the yellow component and lend warmth, while white gold and platinum will accentuate the green facet of the color and provide a more modern, high contrast aesthetic. For clients seeking a collector grade example, this Ceylon origin, untreated chrysoberyl from The Natural Gemstone Company represents an expertly cut, well proportioned, and technically refined gemstone that performs above expectations for its size, and it is ready to be set into heirloom quality jewelry.