0.84 Ct. Pinkish Purple Star Sapphire from Ceylon (Sri Lanka)

This 0.84 carat oval star sapphire from Ceylon offered by The Natural Sapphire Company is a compact example of classical cabochon cutting, with dimensions 5.88 by 5.12 by 2.81 millimeters, a strong medium to high dome, and an overall profile tuned to maximize asterism. The stone is translucent rather than opaque, which allows light penetration to interact with the internal rutile silk and produce a distinct star. The color registers as pinkish purple with intense saturation, a lively blend of violet and warm pink undertones that reads consistently across the surface under neutral illumination. Clarity is graded as very slightly included at eye level, indicating that inclusions are present but minimal and not disruptive to the visual impact of the star, and the polish is excellent, yielding a high surface luster that enhances both color and asterism. Notably the gemstone has received no enhancement, no heat treatment and no diffusion, attributes that the informed buyer will recognize as significant for value and stability.

From a gemological perspective this specimen exhibits classic asterism caused by parallel rutile needles aligned along crystallographic directions within the sapphire, producing a six ray star when viewed under a single point light source. The cutter has oriented the cabochon so that the stellar intersection is near the dome apex, a deliberate choice that concentrates the optical effect and produces a tight star with good contrast against the pinkish purple body color. The translucency of the material is optimal for asterism, avoiding the washed out look that occurs in overly transparent stones and the muted star seen in heavily opaque material. The balance between silk density and body color is such that the star remains mobile with moderate movement when the stone is tilted, indicating a healthy depth of rutile orientation rather than a flat or smeared appearance. The cabochon shape is oval to accommodate the natural crystal form while preserving symmetry and even dome curvature, and the thickness of 2.81 millimeters contributes to durability for everyday wear while maintaining the optical depth needed for star definition.

For setting and conservation the proportions and optical behavior of this star sapphire suggest particular approaches to mounting that will maximize the asterism and protect the stone. A setting that permits a direct overhead view of the dome with a small aperture for a single point highlight will reveal the star at its strongest, therefore bezel settings with an elevated cup or open back mounts that allow light to enter from above and below will be most effective. Metals with a slightly warm tone such as yellow or rose gold will complement the pinkish purple color, whereas platinum and white gold will provide a contrasting cool backdrop that emphasizes the violet component. Because the stone is untreated no special thermal precautions are required beyond standard gem care, however ultrasonic cleaners should be used with caution if the mounting traps debris, and warm soapy water with a soft brush is recommended for routine maintenance to preserve the excellent polish. The very slightly included clarity indicates normal handling care, as surface nicks are unlikely but internal inclusions advise against harsh mechanical shocks.

At The Natural Sapphire Company we provide full documentation and can supply additional close up images and viewing videos to demonstrate star mobility and behavior under different light sources, details that are important to connoisseurs considering an untreated Ceylon star sapphire. The combination of intense pinkish purple color, finely executed cabochon proportions, centered asterism, very slightly included clarity at eye level, excellent polish, and verified absence of enhancement positions this 0.84 carat oval star sapphire as a technically interesting and aesthetically compelling choice for collectors and designers who favor natural optical phenomena and provenance from a classical Sri Lankan source. If you require measurements for setting templates, recommended bezel depths, or comparative samples for matching, we can supply those technical specifications and assist with bespoke mounting recommendations to ensure the star is presented at its best.