0.48 Ct. Grey Spinel from Ceylon (Sri Lanka)

This specimen is a transparent 0.48 carat cushion shape grey spinel, precisely measured at 4.47 by 4.47 by 3.23 mm, cut as a faceted gem with a mixed brilliant cutting style and an excellent polish, originating from Ceylon Sri Lanka, and carrying no enhancement. The cushion outline provides a balanced silhouette that pairs classical geometry with modern light performance, while the mixed brilliant strategy uses an array of carefully arranged facet junctions to optimize both light return and scintillation. Spinel is an isometric mineral, exhibiting single refraction, with a refractive index that typically ranges in the high one point seven zone, and a Mohs hardness near eight, which together translate to reliable durability for everyday jewelry and a responsive surface for precision polishing. The dimensions and weight of this gem make it well suited to fine rings, pendants, and bespoke earrings, where the intimate scale benefits from exacting setting work to maximize its optical character.

Color evaluation indicates medium color intensity in the grey field, a tone that reads as sophisticated neutrality with depth, rather than a washed or muted appearance. Grey spinel can manifest subtle secondary hues under varying light sources, and this particular stone demonstrates a stable neutral cast with balanced saturation that reads consistently across daylight and incandescent environments. The mixed brilliant faceting enhances perceived color saturation by controlling how light penetrates and reflects within the crystal lattice, concentrating return light through the table and upper facets, while smaller crown and pavilion facets fragment flashes into lively scintillation. The result is a color presence that registers as vibrant within the grey spectrum, meaning it maintains visual prominence against metal and accent stones, rather than disappearing into a bland background.

Clarity is graded as very slightly included when evaluated at eye level, a condition that communicates minimal internal features that do not materially compromise transparency or brilliance. These inclusions are small, well positioned, and often masked by facet reflections under typical viewing distances, while the excellent polish ensures that facet junctions remain crisp and undistorted, optimizing light transmission. From a technical perspective, the precision of facet angles and the integrity of facet polish are primary determinants of perceived vitality in a neutral colored gem. Here the cutter has employed a mixed brilliant scheme to strike a balance between broad facet planes that produce strong light return and micro facets that generate a dynamic play of light, thus amplifying sparkle in a way that makes the mid tone grey appear lively and distinctly visible in any jewelry composition.

When set, this grey spinel will stand out in any jewelry setting due to its controlled medium intensity, the scintillating mixed brilliant faceting, and the excellent surface finish that together produce an arresting interplay of tone and light. In prong settings where light can enter unobstructed from multiple angles, the stone will exhibit maximum brightness and scintillation, while halo configurations using small high dispersion accents such as diamonds will create a luminous contrast, enhancing the perceived tone and making the grey read as a sophisticated focal point. Bezel or partial bezel mounts offer modern restraint, framing the cushion outline and emphasizing shape, while open back settings and gallery work allow additional light ingress to intensify the stone s internal reflections. For designers seeking a contemporary palette, pairing this spinel with warm metals such as rose or yellow gold yields a subtle temperature contrast that enriches the grey, whereas cool white metals will lend a sleek, monochrome elegance that highlights the gem s refined neutrality. The Natural Gemstone Company stands behind the origin and untreated status of this spinel, and our gemological team can advise on optimal mounting orientations and complementary accent choices to ensure the stone s vibrant presence is maximized in your finished piece.