1.28 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This is a transparent 1.28 carat oval blue sapphire, offered by The Natural Sapphire Company, that combines refined proportions with vivid, saturated color. The stone measures 8.03 by 6.33 by 2.88 millimeters, with an average diameter of 7.18 millimeters and a depth that works out to approximately 40 percent, giving a balanced pavilion that returns light effectively while preserving intense blue saturation. Cut as a mixed brilliant, this sapphire uses a combination of faceting strategies to maximize both scintillation and color depth, with brilliant style facets on the crown to deliver sparkle, and step influenced facets on the pavilion to reinforce color. The finish is described as excellent polish, which means the facet junctions are clean and smooth, and the table and crown present a lively face up appearance. The gem is heat treated, a widely accepted enhancement in sapphire trade that improves color uniformity and clarity, and its origin is Ceylon Sri Lanka, a source celebrated for producing a range of blues from light cornflower to deep velvet tones. The clarity grade is very slightly included when evaluated at eye level, which indicates that the inclusions are minimal and do not materially distract from the gem when worn, while still providing important natural character under magnification.

Among the most compelling attributes of this sapphire are the internal features that lend it an unmistakable signature, evidence of natural formation and provenance. Under 10 times and higher magnification the stone reveals very fine silk and isolated pinpoint crystals aligned in subtle growth patterns, along with delicate healed feathers and tiny two phase fluid inclusions in a few localized areas. These features are not flaws in the cosmetic sense, rather they are part of the gemological fingerprint that distinguishes natural Ceylon material. In Ceylon sapphires, fine rutile silk can scatter light in a way that softens overly harsh reflections and produces a velvety visual texture, which in turn enhances the perception of depth and color saturation. Heat treatment in this specimen has altered some of the rutile structure sufficiently to reduce overall visible silk at the face up view, improving clarity while leaving faint, oriented silk trails that are diagnostic of natural origin. The result is a sapphire that is eye clean to the unaided observer, but that presents a fascinating landscape of natural inclusions under loupe and microscope, confirming authenticity and adding collectible interest for the informed buyer.

For the educated buyer seeking a balance of visual impact and sound gemological credentials, this blue sapphire ticks many important boxes. The intense color intensity is the primary driver of value in blue sapphire, and here it is supported by transparency and an efficient mixed brilliant cut that translate weight into attractive face up size and sparkle. The dimensions and depth ratio make this a versatile stone for both classic solitaire settings and more elaborate halo or three stone designs, while the 1.28 carat weight is substantial enough to make a statement without overwhelming design proportions. Heat treatment is fully disclosed, and when properly applied, it is a stable enhancement that improves marketability and desirability by harmonizing color and reducing distracting inclusions. The presence of natural inclusions, recorded as very slightly included at eye level, is in fact a positive attribute for buyers who value traceable natural origin and the unique story each sapphire tells through its internal structure. Sapphires from Ceylon carry a long history of desirability because their geological environment tends to produce stones with lively hue and clarity combinations, and this particular example exemplifies those characteristics.

Acquiring this sapphire from The Natural Sapphire Company ensures that you are working with a dealer that emphasizes transparent grading, careful origin disclosure, and responsible sourcing. For practical care the gem is durable in normal wear as sapphires are hard and resilient, clean with warm soapy water and a soft brush, and avoid exposure to strong acids or prolonged high heat that could affect mounted metal or treatments. For buyers interested in documentation, gemological reports and detailed photographs are available on request, and our staff can advise on mounting options that highlight the stone size, color zoning, and the subtle silks and pinpoint crystals that make this gem uniquely identifiable. Whether as an engagement centerpiece, a signature pendant, or part of a private collection, this Ceylon blue sapphire combines demonstrable gemological quality with the kind of natural inclusion signature that experienced collectors and connoisseurs prize.