3.98 Ct. White Quartz

One beautiful transparent 3.98 carat oval shape white quartz, dimensions 10.97 x 9.95 x 6.93 mm, presents a balanced combination of scale and optical clarity that suits both classic and contemporary settings. This specimen is cut in a mixed brilliant cut, finished to an excellent polish, and graded as very slightly included, evaluated at eye level, with a near colorless color intensity. No enhancement of any kind has been applied, and the origin is unknown. The Natural Gemstone Company offers this gemstone with full disclosure of its natural state and cutting characteristics, for clients who demand technical accuracy and material honesty. The oval outline is dimensionally satisfying for ring or pendant use, and the nearly balanced proportions between length and width, combined with the measured depth of 6.93 mm, create an interpersonal scale that supports controlled brilliance without undue spread or a shallow, washed appearance.

The mixed brilliant cut employed on this oval white quartz is a deliberate fusion of faceting geometries, designed to exploit quartz optical constants while preserving clean internal appearance. The crown employs brilliant style facets which increase the number of angles available to catch and redirect incident light, working in concert with a slightly reduced table area to promote dynamic contrast and scintillation across the surface. The pavilion demonstrates a modified configuration that moderates facet angles to suit the refractive index of quartz, promoting total internal reflection within a useful angular range rather than forcing light to escape at shallow angles. This approach yields a lively pattern of pinpoint highlights and broader flashes, controlled by facet junction precision and symmetry. The cutter has prioritized facet junction crispness and consistent facet tilt to minimize light leakage zones and to reinforce pattern stability when the gem is set and viewed at conversational distances.

Quartz has an ordinary refractive index near 1.544 and an extraordinary index near 1.553, resulting in a modest birefringence around 0.009 and a relatively low dispersion. These inherent optical values define the boundary conditions that a cutter must respect, and the mixed brilliant execution here is tuned to those conditions. By calibrating crown and pavilion angles to the refractive indices, the cutter has optimized internal ray paths for maximal return of white light as perceived by the human eye. The near colorless bodycolor minimizes absorption of the blue end of the spectrum, preserving neutrality and enabling subtle spectral separation where dispersion allows. The very slightly included clarity grade, evaluated at eye level, indicates inclusions that are minor and do not compromise internal light pathways in aggregate, allowing consistent brightness across the table and crown facets. Excellent polish contributes to low surface scattering, sharpening facet contrast and increasing apparent transparency, so brilliance and scintillation read cleanly under both daylight and artificial illumination.

From a craftsmanship and practical use perspective, this 3.98 carat oval white quartz is engineered for predictable performance when set. The proportions, including a controlled pavilion depth and a restrained table size relative to the overall face up dimensions, control the balance between contrast and flash, while the mixed brilliant architecture reduces the appearance of broad extinction bands that can be distracting in stones of higher dispersion. The combination of near colorless bodycolor and high polish makes the gem versatile in metal pairing, maintaining cool neutrality with white metals and offering subtle warmth against yellow metals without color contamination. Given the Mohs hardness of quartz at seven and the specific gravity near 2.65, the stone is durable for everyday wear when properly protected in a setting. The Natural Gemstone Company provides this piece with full technical disclosure, including cut style and clarity assessment, and recommends professional setting that preserves the engineered light performance, with bezel or partial bezel options that do not obscure the crown, and prong configurations that secure the pavilion without inducing micro abrasion on the girdle.