1.37 Ct. Yellow Sapphire from Ceylon (Sri Lanka)

This transparent 1.37 carat yellow sapphire presents a measured dimension of 8.11 by 6.56 by 3.52 mm, cut into a distinctive fancy shape with a step cut faceting style. The step cut in this instance employs broad, parallel crown and pavilion facets that create large flash zones rather than scintillation, a deliberate choice by the cutter to emphasize the stone s chromatic intensity and internal color distribution. The clarity is graded as slightly included when evaluated at eye level, and these inclusions are discrete, permitting significant light return because of careful facet junctions and symmetry. The color is described as intense, which in a yellow sapphire translates to a concentrated, saturated hue with good evenness across the table and crown, and the polish is excellent, producing crisp facet windows and a smooth surface finish that enhances both transmission and surface luster. This sapphire has not undergone any enhancement, and the natural, untreated state contributes materially to its rarity and market value.

From a gemological perspective, corundum s inherent properties make this piece technically robust for everyday jewelry, subject to normal precautions. Sapphire s density and refractive index contribute to a brilliant appearance even under step cutting, with the intense yellow responding well to the broad facet planes that allow the saturation to read strongly without excessive light leakage. The slightly included clarity grade is mitigated by the cutter s decision to preserve weight and maintain a pleasing face up presence, a balance that experienced cutters in Ceylon are skilled at achieving. The absence of heat treatment or other enhancements means the iron charged chromophore responsible for the yellow is in its native distribution, and this stability is preferred by discerning buyers who prize natural color origin, and longevity without concern for altered color fade.

The origin of this sapphire is Ceylon Sri Lanka, and that provenance carries both historical cachet and measurable market value. Ceylon sapphires are renowned for their typically lively tones and a certain luminosity derived from the island s alluvial deposits and the geological environment in which the stones form. In trade terms, Ceylon provenance signals a known gemological fingerprint and a lineage of skilled lapidary work that collectors and connoisseurs recognize. Provenance affects pricing because buyers are willing to pay a premium for stones from established sources that have produced exceptional material over centuries. Additionally, Ceylon origin is associated with a long history of ethical artisanal mining and established supply chains in the marketplace, which further supports its desirability. For those assessing value, the combination of intense natural color, no enhancement, and Sri Lankan origin positions this sapphire as a collectible quality gem, and The Natural Sapphire Company provides full disclosure on origin and treatment to ensure transparency for buyers.

For complementary design considerations, the listing also references White Opal as the opal type for pairing or comparative study, because white opal s physical and optical properties differ substantially from corundum and inform setting and care choices. White opal is a hydrated amorphous silica material with a lower hardness and specific gravity than sapphire, it commonly exhibits a milky or translucent body color with play of color in many specimens, and it requires gentler handling and avoidance of extreme heat or ultrasonic cleaning. If a client prefers a matched ensemble, a setting that pairs this Ceylon yellow sapphire with a white opal should account for differential hardness and thermal sensitivity, favoring protective bezel settings for the opal and prong or channel work for the sapphire, along with a design that allows the opal to display any play of color without being overshadowed by the sapphire s intense yellow. For bespoke commissions The Natural Sapphire Company s design team can recommend metal choices and setting styles that preserve the physical integrity of both materials while maximizing visual contrast.

This sapphire s unique fancy geometry, precise step cutting, natural intense hue, and untreated Ceylon origin make it particularly well suited as a refined center stone for a bespoke ring or a high quality pendant. Collectors will appreciate the combination of measurable gemological attributes and artisanal cutting decisions that maintain weight while optimizing face up color. Technical buyers who evaluate refractive properties, inclusion habit, and cutting strategy will note that the cutter prioritized color retention and surface polish, yielding a gem that reads larger and richer face up than weight alone might suggest. For further technical data, viewing under standardized lighting and magnification is recommended, and The Natural Sapphire Company is available to provide detailed imagery, mounting recommendations, and provenance documentation to assist in appraisal and setting.