0.77 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This transparent round blue sapphire weighs 0.77 carat, a weight that balances presence and practicality for a wide range of fine jewelry designs, and represents a premium choice for collectors and connoisseurs alike. The stone measures 5.44 by 5.39 by 3.45 millimeters, a proportion that supports optimal light return and visual impact for its carat weight. The mixed brilliant cut combines faceting styles to enhance scintillation and depth, while the round shape offers classic symmetry and versatility. At 0.77 carat, this sapphire conveys a sense of value that is both refined and tangible, providing a meaningful center stone without the compromise of an oversized profile.

Optical and surface characteristics further substantiate the gem quality of this sapphire. The color displays vivid intensity, a saturation level that gives the stone a lively and commanding blue, and the transparency allows this color to read clearly across the table and through the pavilion. The clarity grade is very slightly included as evaluated at eye level, a grade that reflects minimal inclusions which do not detract from the overall appearance, and which often serves as an indicator of natural formation. The polish is excellent, producing crisp facet junctions and smooth surfaces that amplify brilliance and make the most of the mixed brilliant faceting. These attributes together demonstrate meticulous cutting and finishing decisions aimed at maximizing the perceived size and color performance relative to the 0.77 carat weight.

This sapphire has been heat treated, a widely accepted enhancement applied to improve color and clarity stability, and the treatment is disclosed in accordance with industry best practices. The stone originates from Ceylon, Sri Lanka, a source renowned for producing sapphires with appealing tone and lively blue hues. Provenance from Ceylon Sri Lanka contributes to the gemological character of the stone, and aligns with expectations for classic sapphire coloration. At The Natural Sapphire Company we document such treatments and origin information to provide transparent and reliable details that support informed purchasing decisions, and to ensure that the value proposition of the 0.77 carat weight is understood in the context of the stone s full set of attributes.

For designers and purchasers seeking a premium sapphire in the sub one carat range, this 0.77 carat round mixed brilliant sapphire presents a compelling combination of weight, color, and finish. The carat weight affords an elegant presence on the finger or in pendant settings, while the vivid color intensity and excellent polish deliver the visual impact typically associated with higher carat stones. The very slightly included clarity grade and heat treatment are consistent with quality sapphires that offer both beauty and durability, and the Ceylon Sri Lanka origin provides provenance that many clients value. The Natural Sapphire Company offers this gem as a carefully assessed example of premium quality, with the 0.77 carat weight playing a central role in its balance of rarity, wearability, and aesthetic appeal.