1.68 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This exceptional cushion shape blue sapphire weighs one point six eight carats, and measures six point six nine by five point five four by four point four eight millimeters, with a faceted mixed brilliant cutting style that balances scintillation and color saturation. The stone exhibits intense color intensity, a transparency that reads as eye clean when evaluated at eye level, and an excellent polish that maximizes light return across the table. The clarity has been graded as very slightly included at eye level, a practical and trade relevant assessment for an educated buyer who values both visual perfection face up and natural character in a sapphire. The gem has been heat treated, a standard and widely accepted enhancement in the market that stabilizes and intensifies the blue, and the sapphire traces to Ceylon Sri Lanka, a source celebrated for producing lively, cornflower to velvety blue sapphires with a distinct, appealing personality. At The Natural Sapphire Company we place emphasis on transparent disclosure and precise descriptions so that collectors and buyers can make informed decisions about stones of this quality.

What makes this sapphire unmistakable is its inclusion suite, which reads like a fingerprint from the formation environment in Ceylon, and gives the stone a signature that both gemologists and connoisseurs appreciate. Within this gem you will find a delicate network of silk, composed of fine rutile needles, that diffuses light across the body and creates a soft, velvety sheen under direct illumination. Interspersed with that silk are tiny crystalline pinpoints and a few isolated negative crystals, features that reflect natural crystallization rather than any synthetic growth pattern. There are very discreet healed fissures and wisps commonly called fingerprints, where tiny internal growth disturbances were sealed during late stage mineral deposition. These healed features are subtle enough to preserve a clean face up appearance, while contributing to optical depth and an almost three dimensional character that deepens the perceived color. Taken together the silk, pinpoints, and healed veils form a diagnostic inclusion pattern that is consistent with Ceylon origin, and that also imparts personality and provenance to the piece.

The cutting and proportions of the stone enhance these natural attributes, and are central to why this sapphire offers high value to an educated buyer. The mixed brilliant facet arrangement on a cushion outline is designed to present intense color while delivering lively brilliance from the crown facets. The gem measures four point four eight millimeters in depth against an average diameter of approximately six point one one five millimeters, producing a depth profile of around seventy three percent, a proportion that concentrates color and supports the intense blue described in the grading. A deeper pavilion like this can reduce the face up spread somewhat in exchange for richer saturation, a trade that many specialists prefer when color is the primary value driver. The excellent polish ensures that light interacts cleanly with the facets, so the rutile silk reads as a velvety texture rather than as a distracting cloud, and the overall finish allows the sapphire to perform exceptionally well when set in jewelry.

For a discerning buyer and for use in fine jewelry this one point six eight carat Ceylon cushion sapphire represents a compelling combination of attributes that justify a premium. The intense natural blue, the eye level very slightly included clarity which reads as practically eye clean, the signature Ceylon inclusion pattern, the mixed brilliant cushion cut tailored for color, and the universally accepted heat treatment together make this stone both desirable and market ready. The provenance from Sri Lanka adds collectible value because Ceylon sapphires are historically sought after for their particular hue and lively personality. At The Natural Sapphire Company we can provide detailed photography and gemological documentation upon request, and we are transparent about treatment and origins so that you can confidently place this gemstone in an engagement ring or a museum quality setting. For buyers who want a sapphire with natural character, gemological integrity, and a signature from its birthplace, this cushion sapphire offers an excellent, informed choice.