1.64 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This 1.64 carat round blue sapphire exhibits precision cutting and material quality that will satisfy technically minded buyers, the stone measures 7.54 by 7.46 by 3.77 mm, resulting in an overall depth of approximately 50 percent which is ideally balanced for face up color and light return. The mixed brilliant cut combines a faceted crown with a brilliant style pavilion, the facet junctions are carefully calibrated to deliver a mix of broad flash and lively scintillation, the table is proportioned to present a strong, saturated face up color while the pavilion facet geometry preserves depth and internal reflection. Clarity is graded as eye clean at eye level, minimal natural inclusions are present and do not interrupt transparency, the surface polish is excellent which enhances contrast and allows the vivid color intensity to read consistently across viewing angles. Enhancement is heat treated, the process is disclosed and stable, the sapphire originates from Ceylon Sri Lanka a source noted for sapphires with lively tone and saturated hues, The Natural Sapphire Company stands behind the origin and treatment disclosures for this piece.

For use as a statement stone the combination of size, color and clarity is compelling, the near 7.5 mm diameter and 1.64 carat weight provide a visible, confident presence in a solitaire ring or as a dominant center stone in a three stone or halo setting, the eye clean clarity ensures that the vivid, velvety blue remains the focal point without distraction from internal features, the excellent polish and balanced depth promote a bold face up appearance under both direct and diffuse lighting. From a setting and design perspective the mixed brilliant faceting favors designs that show the table and crown, these include low to medium profile bezels that protect the girdle while preserving color, cathedral or prong settings that allow light to enter the crown will maximize brilliance and saturation. The Natural Sapphire Company offers detailed matching services and mounting recommendations for clients who wish to translate this technical potential into a finished, wearable statement piece, this sapphire is well suited to buyers seeking a technically excellent, visually commanding Ceylon stone.