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

This translucent 0.81 carat oval pinkish purple star sapphire presents with exact dimensions of 5.35 x 4.66 x 3.27 mm, faceted and finished as a classic cabochon to optimize asterism and surface preservation. The overall profile exhibits an expertly proportioned dome, with the 3.27 mm depth providing sufficient material for the development of a distinct star while maintaining comfortable wearability for everyday jewelry. Color is evaluated as pinkish purple with intense color intensity, and the clarity is graded slightly included at eye level, a common and often desirable condition for star sapphires where oriented internal silk contributes to the visibility and stability of the star. Origin is Ceylon Sri Lanka, and there has been no enhancement performed on this piece, which means the color and asterism are entirely natural characteristics of the corundum crystal as extracted from the mine. The Natural Sapphire Company presents this gem with full disclosure of its natural state, and the cabochon cut and exact oval outline make it suitable for precision mounting where the axis of the star can be aligned to the top of the setting for optimal display.

From a gemological perspective the asterism in this specimen is produced by oriented needle like rutile inclusions that intersect in three distinct directions, creating the classic six rayed star when viewed under a point light source. The cabochon shaping was executed to center the asterism on the apex of the dome, and the excellent polish enhances the contrast between the silky, translucent body and the sharp reflected star. Corundum has a refractive index of approximately 1.762 to 1.770, and a specific gravity near 4.00, values that influence internal light return and the perception of depth in this stone. The slight inclusions noted at the eye level are consistent with a natural star sapphire, and they act as the structural framework for the asterism rather than detracting from the gem s appeal, particularly because the polish is of superior quality and the dome symmetry is precise enough to deliver a centered and mobile star that responds predictably to changes in light angle.

Durability is a primary consideration for daily wear, and sapphire is one of the most robust gem materials available for jewelry, registering a hardness of 9.0 on the Mohs scale, second only to diamond in common jewelry use. Corundum lacks a true cleavage plane, which reduces the risk of catastrophic breakage from lateral stress, although it remains prudent to avoid sharp impacts on acute edges where chipping is still possible. The cabochon profile of this oval star sapphire inherently protects the table and girdle by distributing contact forces across the convex dome, making beveled or fully enclosed settings like bezels the preferred mounting technique for rings and bracelets that will be worn frequently. Because this particular stone is natural and unenhanced, its color is stable under normal environmental conditions and it will not fade under sunlight, while routine exposure to heat within common jewelry repair procedures is unlikely to alter the gem s appearance provided standard practices are followed.

For practical use and maintenance we recommend mounting strategies and care protocols that preserve both the asterism and the physical integrity of the stone, and The Natural Sapphire Company can advise on settings that secure the gem without obscuring the star. A well executed bezel setting or a low profile rubbed in seat will minimize the chance of catching and reduce edge stress, while orienting the stone so the star is perpendicular to the top of the ring or pendant ensures the star is visible in typical lighting. Clean the stone with warm soapy water and a soft brush, rinse thoroughly, and dry with a lint free cloth, and refrain from vigorous ultrasonic cleaning when inclusions are present and visible at the surface, because entrapped particles can migrate or cause micro fracturing over time. Periodic inspection by a qualified jeweler is recommended to check for loose settings or chips, and with appropriate care this 0.81 carat oval Ceylon star sapphire will retain its optical performance and physical resilience for daily wear for many years.