6.76 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This beautiful transparent 6.76 carat cushion shape blue sapphire measures 11.90 x 11.62 x 5.11 mm, and presents a harmonious balance between size and proportion. The mixed brilliant cut optimizes light return while preserving the depth of color, and the stone displays an intense color intensity with an excellent polish that enhances brilliance and surface finish. The sapphire is graded eye clean as evaluated at eye level, and it is untreated with no enhancement, an attribute that significantly increases rarity and desirability among informed buyers. Origin is Ceylon Sri Lanka, a source long esteemed for producing sapphires with a desirable combination of vivid saturation and luminous clarity.

From a gemological perspective this sapphire exhibits the characteristics that discerning buyers prioritize, clarity, color, cut, provenance, and treatment status. Eye clean clarity means that under normal viewing conditions the stone shows no inclusions that interrupt the visual field, allowing the deep blue to read consistently across the table and crown. The intense color intensity in a Ceylon stone indicates a pure and lively blue without overtones that muddy the hue, and the mixed brilliant cut contributes both sparkle and a pleasing internal scintillation that complements the cushion outline. Excellent polish further enhances the gem by maximizing surface reflection and giving a sleek finish that will withstand close inspection. The dimensions and 6.76 carat weight make this sapphire suitable for a substantial center stone in bespoke ring settings, or as a distinguished element in earrings or pendants, while remaining comfortable for everyday wear.

The natural beauty of this sapphire will continue to captivate over the years, because its color and clarity come from the crystal itself rather than from modern treatments, and corundum is a remarkably durable mineral with a hardness that resists abrasion and preserves polish through decades of wear. Collectors and investors value unheated Ceylon sapphires for their proven provenance and long term market appeal, and a gem with these specific qualities is likely to retain aesthetic and monetary value. The Natural Sapphire Company stands behind the sourcing and grading of this stone, and we provide documentation and guidance on care, including gentle cleaning with warm soapy water and routine professional inspection for secure settings. For an educated buyer seeking a rare, untreated Ceylon sapphire with exceptional presence, this cushion shaped stone represents a combination of scientific merit and enduring elegance.