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Cool and atmospheric, this untreated Umba sapphire carries a gradient of steely purple that changes character as it moves through natural light. Smoky violet and muted lavender meet cooler steel-blue undertones, creating a layered color that feels more like shifting twilight than a conventional purple sapphire.
Its elongated form gives those tonal changes room to unfold. Broad step facets produce long mirrored flashes through the crystal, alternately revealing brighter lavender passages and deeper, moodier areas of purple-gray.
Rather than presenting one fixed color, the sapphire is defined by transition—the balance of hue and intensity changing with angle, environment, and light.
The elongated custom emerald cut is particularly well suited to a sapphire with gradient color. Instead of breaking the stone into numerous small flashes, long step facets create larger planes through which the natural color variation can remain visible.
At 9.46 × 4.21 mm, the silhouette is distinctly slender, giving the 1.45-carat sapphire an elegant linear presence. The clipped corners soften its architecture, while the 3.33 mm depth provides enough body for layered reflections to develop beneath the table.
The result is restrained rather than overtly brilliant: light moves methodically through the stone, revealing the relationship between steely gray, violet, purple, and cooler blue undertones. It is a cut that allows the unusual color itself to become the composition.