3.55 Ct. Bi Color Cabochon Sapphire from Burma (Myanmar)

This sapphire is a translucent, bi color example of natural corundum offered by The Natural Sapphire Company, presenting a measured weight of 3.55 carats and an elegant oval form. The dimensions are 9.82 by 8.52 by 4.02 mm, rendered in a cabochon cut that emphasizes surface smoothness and internal structure. Clarity is graded as very slightly included based on evaluation at eye level, a condition that affirms the stone is predominantly clean to unaided observation while retaining natural interior characteristics. Color intensity is assessed as intense, and the piece exhibits an excellent polish that maximizes surface luster and tactile refinement. Origin is Burma, Myanmar, and there has been no enhancement to alter color or clarity, a factor that preserves the original geological fingerprint of the material.

The inclusions within this sapphire are the defining elements that create its unmistakable signature. Fine silky inclusions, consistent with oriented rutile needles, form delicate veils that intersect subtle growth zoning. These silk threads are distributed in a pattern that correlates with the bi color character, aligning along natural crystallographic planes and subtly delineating the transition between color zones. Scattered throughout are minute crystal inclusions that appear as pinpoint references within the translucent body, providing a microscopic cartography of the gem s growth environment. In addition, isolated two phase fluid inclusions occur in small numbers, presenting as tiny negative crystals that record episodes of trapped liquid and gas during crystallization. Together these features form a layered internal texture, one that is diagnostic of Burmese sapphires and that establishes provenance through its morphology and spatial relationships.

The cabochon cut enhances the visual impact of these inclusions by smoothing the surface and permitting light to enter and interact with the internal structures in a continuous manner. Because the stone is translucent rather than fully transparent, light scatters through the silk and micro inclusions producing a soft internal glow and a depth that changes with viewing angle and lighting conditions. The bi color aspect is articulated not only by chromatic zoning but by the way inclusions modulate color saturation across the dome, creating zones of intensified hue adjacent to calmer, more transparent areas. The very slightly included clarity grade should be interpreted in context, as these inclusions contribute positively to the stone s character and do not detract from its optical performance. The excellent polish ensures that surface reflections remain crisp, which in turn allows the internal features to be read clearly without surface interference.

Considerations for setting and long term care take into account both the aesthetic and the natural integrity of the sapphire. The absence of enhancement means that the color and clarity are stable under normal wear and environmental exposure, yet the cabochon profile invites designs that protect the girdle and crown from impact while showcasing the stone s internal signature. Light oriented settings, such as open backs or low bezels, will facilitate the desired interaction between light and the internal silk and crystal network, revealing the layered textures and bi color transitions. Routine cleaning with mild soap and warm water, and careful drying with a soft cloth, will maintain the excellent polish without risking abrasion. All observations and measurements are documented by The Natural Sapphire Company to support authentication and to provide a clear account of provenance, physical parameters, and internal characteristics that define this distinctive Burmese bi color cabochon sapphire.