2.07 Ct. Blue Cabochon Sapphire from Ceylon (Sri Lanka)

One translucent oval blue sapphire weighing 2.07 carats, with dimensions 7.24 x 5.69 x 5.09 mm, presents a cabochon cutting style that emphasizes depth of color and a soft internal glow. The cabochon cut and excellent polish allow light to travel across the surface, revealing a vivid color intensity and the characteristic sheen of a Sri Lankan sapphire. Clarity is graded as slightly included at eye level, with natural inclusions visible under magnification and contributing to the gemology of the piece. The stone has undergone heat treatment to enhance its saturation and transparency, a standard and stable enhancement in the industry. Sourced from Ceylon Sri Lanka, this sapphire combines provenance and measured gemological attributes, and is offered by The Natural Sapphire Company with clear documentation of its characteristics.

The formation of this sapphire reaches back millions of years into a dynamic geological history, when aluminum rich sediments and silica poor environments were transformed under pressure and temperature during regional metamorphism. Corundum crystals formed as aluminum oxide reorganized into a dense hexagonal lattice, while trace amounts of iron and titanium were incorporated into the crystal structure, producing the blue hues that define this sapphire. In Sri Lanka, many gem bearing corundum crystals were concentrated in alluvial placers and residual soils after the weathering and erosion of parent metamorphic rocks, permitting the survival of small rounded crystals that later became suitable for cabochon cutting. Over geological time, tectonic uplift and surface processes exposed these deposits, allowing artisanal miners to recover crystals with natural shapes that responded well to minimal shaping and polishing. The subsequent heat treatment applied by skilled lapidaries reduces some of the internal features and refines the color balance, without altering the gem s fundamental nature. The final cabochon presents a harmonious balance between the stone s natural history and human craft, maintaining its translucency and vivid saturation while preserving inclusions that testify to its origin. This narrative of formation, combined with precise specifications and the documented origin from Ceylon Sri Lanka, provides a concise and factual context for the sapphire offered by The Natural Sapphire Company.