1.04 Ct. Bluish Green Sapphire from Madagascar

This 1.04 carat round bluish green sapphire presents a precise combination of measured proportions and natural character, from The Natural Sapphire Company. The gem measures 6.15 by 6.15 by 3.96 millimeters, yielding a depth of 64.4 percent, and demonstrates the optical and physical advantages of corundum. The cutting style is faceted with a mixed brilliant cut, delivering both vivid light return and controlled color saturation. The clarity grade is very very slightly included, evaluated at eye level, which means the stone remains effectively clean to the naked eye while retaining internal features that attest to its natural origin. The color intensity is described as intense, a deep bluish green that carries both blue and green wavelengths with strength and balance. The polish has been executed to an excellent standard, producing pristine facet surfaces and crisp facet junctions. No enhancement has been performed, so the stone is presented in its natural state, and the documented origin is Madagascar, a source noted for producing saturated, clean sapphire material.

The mixed brilliant cutting design employs a classical brilliant facet arrangement across the crown, combined with a modified pavilion that is tuned to reinforce color depth without sacrificing return of light. The crown facets are calibrated to balance table size with crown height, producing a play of light that maximizes scintillation across the face of the gem. The pavilion has been faceted to reduce light leakage, while maintaining sufficient internal reflection to saturate the pavilion field with color. Facet alignment and symmetry have been controlled to enhance optical performance, and the girdle has been kept proportional to support secure setting without creating unnecessary weight loss. The overall result is a gem that exhibits compact, lively pinfire scintillation from small facet faces, together with broader flashes of brilliance from the larger facet planes, providing visual breadth and liveliness when mounted.

Optically, this bluish green sapphire benefits from the intrinsic properties of corundum, including a refractive index in the high one and seventies and low dispersion. The practical effect is strong white light return and limited fire, so brilliance and scintillation are the main contributors to perceived sparkle, rather than spectral flashes. The stone exhibits pleochroism that favors blue and green directions, so the observed hue can shift subtly with orientation and light source. The very very slightly included clarity grade at eye level means that inclusions are minute and generally fall below visual detectability in everyday wear, preserving the transparency and color purity that allow light to transmit and reflect efficiently. Excellent polish ensures minimal surface scattering, so light transits and reflects with maximal fidelity to the planned facet scheme, enhancing contrast and crispness of facet outlines.

Under changing lighting conditions the visual personality of this sapphire evolves in predictable, desirable ways. In cool daylight, which emphasizes shorter blue wavelengths, the stone reads as a vivid bluish green with high color saturation and even tone, the mixed brilliant layout producing lively scintillation across the crown while the pavilion depth sustains the color field. In warm incandescent illumination, longer yellow red wavelengths soften the blue component and the stone will present a greener tendency, with a slightly warmer overall appearance, and the lower dispersion of corundum means flashes remain predominantly white rather than colorful. Under LED sources that emulate daylight, the gem will combine the crispness of daylight color with strong white light return, producing a balance of brilliance and color that is ideal for display or photographic capture. Under spot or directional halogen light the cutter s deliberate facet geometry comes into play, generating strong contrast and focused flashes that reveal the precision of facet junctions and the stone s internal character. In diffuse indoor lighting the intense color will present uniformly across the table, making the sapphire an excellent candidate for jewelry where even color is desired. Because the sapphire is untreated, these lighting behaviors represent the natural response of the crystal, and when set in prongs that allow light ingress from both crown and pavilion, or in an open back setting where appropriate, the gemstone will demonstrate its full optical potential. For collectors and clients seeking technical excellence and natural provenance, this Madagascar sapphire from The Natural Sapphire Company combines meticulous cutting, high polish, and untreated material to yield a gem that performs with clarity and depth across all viewing conditions.