1.38 Ct. Bi Color Sapphire from Tanzania

This is an invitation to possess something rare, a transparent bi color sapphire weighing 1.38 carat, shaped into a classic oval that measures 7.61 by 6.33 by 3.39 mm. Mined in the rich terrains of Tanzania, this stone arrives to you untouched by treatment, untouched by enhancement, a gem in its most honest form. The play of two complementary hues is not a fleeting effect but a stable personality, intensified by a clarity grade of very slightly included evaluated at eye level, and finished to an excellent polish that allows the sapphire to breathe light with a quiet confidence. Owning this piece means joining a select circle of collectors and connoisseurs who understand that true rarity is not only scarcity, but authenticity, provenance, and the careful hand that shapes nature into heirloom form. The Natural Sapphire Company presents this bi color oval as a singular opportunity to wear or invest in an object that will never be replicated.

The mixed brilliant cut chosen for this sapphire is a deliberate marriage of science and artistry, designed to enhance the gem inherent properties for light capture and return. The cut combines the scintillating fire of brilliant facet arrangements on the crown with the depth enhancing step and precision of pavilion facets, creating a dynamic internal mirror that amplifies both color and flash. When light enters the crown, the brilliant facets break it into prismatic flashes, scattering internal scintillation across the surface, while the pavilion facets are angled to control the path of light, guiding it back to the eye rather than allowing it to escape. This careful choreography results in a stone that simultaneously exhibits lively sparkle and saturated color, the bi color zones rendered with clarity rather than muddied, because each facet plane is optimized to respect and reveal the natural tone of the sapphire. The excellent polish ensures that every facet edge is a precise plane, minimizing diffusion and maximizing crisp reflections that make this gem appear as if it contains its own private light source.

Beyond the technical excellence of the cut, the shape and dimensions play a crucial role in how this sapphire presents itself on the finger or in a bespoke setting. The oval silhouette elongates the visual footprint of the gem, enhancing presence without excess weight, and the proportions of 7.61 by 6.33 by 3.39 mm allow for balanced light performance across the table and pavilion. In practical terms this means the color zones are more apparent and more graceful, moving gently as the gem is turned, rather than collapsing into indeterminate patches. The very slightly included clarity grade evaluated at eye level allows the stone to remain visually clean and luminous, while inclusions that exist are often used by master cutters to guide facet placement and optimize optical return. The intense color intensity remains vivid in ambient lighting, and under directed light the mixed brilliant cut reveals secondary flashes and internal life that speak to the gem natural origin. Each glance, each tilt of the wrist, rewards the holder with a different composition of hue and sparkle, a kinetic, intimate spectacle that belongs to those who appreciate fine gemstones.

To wear this sapphire is to declare membership in an exclusive heritage, an ownership that The Natural Sapphire Company curates with integrity and knowledge. Because the stone is from Tanzania and untreated, it carries a narrative of place and time, of geological conditions that are impossible to replicate. The mixed brilliant cut was chosen specifically to honor that narrative, enhancing the very qualities that make Tanzanian sapphires prized, namely their clarity of tone and lively dispersion. For the collector who seeks distinction, this piece offers both the assurance of technical excellence and the romance of rarity. Our specialists can advise on settings that complement the oval profile and maximize face up color and scintillation, whether that be a minimalist bezel that showcases the gem transparency, or a delicate halo that plays off the brilliant faceting to elevate sparkle. Limited pieces of this character, combining untouched origin, intense color, superior polish, and a masterful cut, are seldom available, and owning one is an invitation to a refined and private dialogue with beauty.