0.94 Ct. Bluish Green Sapphire from Madagascar

This transparent bluish green sapphire weighs 0.94 carat and is presented in an elegant oval shape, with precise dimensions of 6.17 x 4.86 x 3.96 mm, originating from Madagascar. The stone displays intense color intensity, an excellent polish, and a clarity grade of slightly included as evaluated at eye level. The sapphire has been heat treated to stabilize and enhance its natural color, producing a rich teal tone that sits between classic blue and verdant green. At The Natural Sapphire Company we document these attributes to offer a clear understanding of how each physical parameter contributes to visual performance and suitability for fine jewelry settings.

The mixed brilliant cut of this oval sapphire is central to its optical character. By combining the faceting philosophy of brilliant style facets on the crown with a mix of step and modified facets on the pavilion, the cutter achieves a balance between internal light return and even color distribution. The crown facets act as entry points for light, breaking and scattering incoming rays to create a lively face up appearance. The pavilion facets then redirect that light back through the crown, and the interaction between angled pavilion facets and the rounded oval outline promotes strong central brightness while maintaining measured scintillation along the length of the gem. The mixed cut limits unwanted light leakage often referred to as windowing, and it maintains intensity across the surface, allowing the sapphire to display both brilliance and color saturation in a controlled manner.

Clarity and polish play complementary roles in maximizing the gem’s reflective behavior. The slightly included clarity grade indicates the presence of minute internal features that are visible at eye level under close inspection, yet they do not materially obstruct the passage of light through the stone. Because the inclusions are small and positioned in a way that does not interrupt facet junctions, the mixed brilliant faceting scheme mitigates their visual impact by dispersing light around them. The excellent polish contributes significantly to optical performance, producing razor sharp facet planes and crisp junctions that minimize surface diffusion and maximize specular reflection. When facet planes are well polished, light is reflected cleanly and efficiently, enhancing both the brilliance and the perceived depth of color. This sapphire benefits from those qualities, presenting a clean, lively surface that responds well to movement and directional lighting.

Heat treatment has been applied to this Madagascar sapphire to intensify color and improve clarity stability. Well executed heat treatment enhances the stone’s intrinsic chromophores without compromising crystalline integrity, allowing the cutter to exploit the gem’s natural dispersion and refractive properties. The intense bluish green color is rendered more uniform by the cutting design, which directs light through the body of the gem in a way that reinforces saturation rather than diluting it. The mixed brilliant cut facilitates multiple internal reflections, effectively recycling light within the stone so that each photon has more opportunity to interact with the mineral lattice and produce the observed color and sparkle. As a result, the stone appears vivid in both direct and ambient lighting, and its oval silhouette elegantly lengthens flashes of light across the table and along the girdle.

In practical terms, this 0.94 carat oval sapphire is well suited to settings that allow light to enter from a variety of angles, such as semi halo, solitaire, or three stone mountings, where the cut will continue to animate as the wearer moves. The balance of brilliant oriented crown facets with a measured pavilion configuration gives the gem a lively yet controlled personality, one where color depth and reflective fire complement rather than compete. The dimensions of 6.17 x 4.86 x 3.96 mm yield a pleasing face up presence, and the piece is a clear example of how expert cutting, attentive polishing, and appropriate enhancement combine to showcase the natural beauty of a Madagascar sapphire. For clients seeking a stone with pronounced color intensity, intentional facet architecture, and the provenance and documentation provided by The Natural Sapphire Company, this sapphire represents a thoughtful selection.