4.03 Ct. Ruby from Mozambique

This 4.03 carat oval purplish red ruby from Mozambique presents a clear and consistent description of its material and workmanship. The gem measures 12.51 x 10.05 x 3.20 millimeters and has been cut in a mixed brilliant style to balance internal color saturation with surface brilliance. Clarity is graded as slightly included at eye level, and the stone remains transparent, with vivid color intensity and an excellent polish. The material has been heat treated, a standard enhancement that improves tone and saturation while preserving the stone's natural character. The Natural Ruby Company presents this ruby as a well proportioned example of Mozambique material, combining substantial carat weight with a strong visual presence suitable for a variety of settings.

The internal features of this ruby give it an unmistakable signature that speaks to its natural formation and geographic origin. Fine oriented silk, composed of rutile needles, crosses the pavilion and crown planes in subtle layers, scattering light to create a soft velvety effect in the deeper zones and a lively sparkle in the facet junctions. Small reflective mineral crystals and isolated crystal cavities act as pinpoint mirrors, breaking up light into small flashes that add depth and complexity to the overall color. Fingerprint like internal networks occur near the girdle region, visible under magnification and occasionally at eye level as faint wisps, these features confirm natural growth and contribute to the gem’s individuality. Growth zoning is present in subdued banding of hue, which, when viewed at different angles, allows the purplish red to shift slightly between richer magenta tones and warmer red tones, a behavior characteristic of high quality Mozambique rubies. Collectively these inclusions do not compromise structural integrity, and they play a decisive role in the stone’s aesthetic, producing a signature texture that is as diagnostic as it is attractive. The Natural Ruby Company emphasizes these natural markers in its description to help buyers appreciate both the beauty and the provenance of this ruby.