4.67 Ct. Yellow Sapphire Crystal from Ceylon (Sri Lanka)

This specimen is a translucent yellow sapphire weighing 4.67 carats, with dimensions 13.51 x 7.13 x 5.03 mm, presented in a preserved rough crystal cut that retains original crystal faces and natural terminations. The overall form is various shape, reflecting an elongated corundum habit that has been minimally trimmed to maximize weight retention while improving optical presentation. Color evaluation indicates an intense yellow hue with strong saturation and a medium lightness, yielding a vivid visual presence under both daylight and artificial lighting. Clarity is graded as slightly included at eye level, which is consistent with natural growth features from Ceylon Sri Lanka, and the stone displays characteristic growth zoning and minor internal features that contribute to its identification and provenance. The surface finish is described as excellent polish, producing crisp reflection from the preserved faces and enhancing light transmission despite the stone being classified as translucent rather than fully transparent. Enhancement testing confirms no treatment, the stone is untreated, which is of particular importance for both connoisseurs and investment oriented buyers.

From a lapidary and setting perspective the rough crystal cut presents a combination of planar crystal faces and selectively polished facets, an approach that emphasizes natural morphology and optical pathways. This technique requires precise lapidary control to preserve termination angles while achieving a high degree of polish on selected surfaces, and it results in a gem that interacts with light differently from fully faceted stones. The preserved facets create directional light return, and the excellent polish minimizes surface scatter, producing defined highlights along the length of the crystal. For mounting considerations the elongated profile and tapered termination favor a custom bezel or low prong design that supports the stone along its axis while exposing the principal polished faces for maximum face up color. Metal selection can influence perceived color, a warm yellow gold setting will reinforce the sapphire tone, whereas a platinum or white gold mounting will accentuate the stone body and contrast with any lighter zones. For designers seeking mixed stone palettes this sapphire pairs particularly well with White Opal accent stones, where the milky body and subtle play of color of White Opal serve as a contrasting counterpoint to the sapphire intensity, and where cabochon cuts and softer settings can balance the harder corundum surface both visually and structurally.

Owning this yellow sapphire is an investment in both beauty and craftsmanship, beginning with its origin from the Ceylon Sri Lanka gem fields, a region historically associated with high quality corundum and recognized market value. The absence of enhancement elevates its market position, because untreated sapphires of significant size and intense color are intrinsically rarer, and rarity combined with provenance supports long term value retention. The corundum species is hard and wear resistant, with a Mohs hardness of nine, which makes this stone suitable for everyday wear and assures longevity, an important attribute for collectible gems intended to be passed down through generations. From a craftsmanship standpoint the choice to retain the rough crystal aesthetic while applying selective faceting and an excellent polish reflects an advanced lapidary strategy aimed at preserving natural form while optimizing optical performance, and that approach will appeal to knowledgeable buyers who prioritize artisanal technique as much as gem quality metrics. The Natural Sapphire Company stands ready to provide detailed documentation, viewing options, and bespoke mounting recommendations, and we can supply additional imaging and measurements on request to support valuation, certification, and design planning.