1.15 Ct. Alexandrite from Brazil

One beautiful transparent 1.15 carat cushion shape alexandrite from Brazil is presented here, with precise dimensions of 6.59 x 5.67 x 3.72 mm, a mixed brilliant cut, a clarity grade of very slightly included when evaluated at eye level, vivid color intensity, and an excellent polish, enhancement status is none, and the stone is entirely natural. The cushion outline balances a softly rounded profile with the internal scintillation produced by a mixed brilliant facet arrangement, the crown facets work with the pavilion angles to return light as lively flashes, and the polished facet junctions are even and refined which supports crisp reflections and consistent return across the table. The transparency of the material allows the mixed brilliant design to perform effectively, the very slightly included clarity grade is confirmed at eye level and these minor internal characteristics do not impede brilliance or overall color saturation, instead they add a natural fingerprint to the gemstone that collectors and connoisseurs value. The provenance from Brazil is confirmed, and the absence of enhancement underscores the gematic integrity and desirability for those seeking untreated alexandrite, The Natural Gemstone Company provides this information as part of our commitment to clarity and accurate description.

Optically this alexandrite displays the classic color change that defines the species, the vivid color intensity recorded in our evaluation is evident as a distinct shift from green tones in cooler light sources to purple tones in warmer light, under open daylight and cool white fluorescent lighting the gem presents a deep, bluish green to forest green, the facets articulate this green with bright flashes along the facet junctions, under warm incandescent and halogen lighting the same facet pattern yields a strong shift toward purplish red to violet, the mixed brilliant cut maintains high levels of internal reflection which accentuates the transition, the polished surfaces maximize contrast between darker body color and lighter facet flashes, and the very slight inclusions sit low in visibility which allows for uniform color while still confirming natural origin. The material shows good light return across a variety of viewing angles, and the cushion shape interacts with typical jewelry settings to present a stable face up color that carries well in rings, pendants, and bespoke settings, images provided illustrate the color behavior under different lamps and the hand photo demonstrates scale and live appearance.

Under specific lighting scenarios the behavior of the gem is predictable and useful when planning a setting or evaluating appearance in daily wear, natural daylight and cool fluorescent lighting emphasize the green family of tones, daylight that includes a high blue component will favor bluish green and teal nuances, this tends to produce a fresh, lively presentation with clear facet contrasts. Under warm incandescent, halogen, and warm LED lighting the chromium response moves the observed color toward purplish red to violet, in such lighting the gemstone appears richer and more saturated in the red and violet range, candlelight and dim warm sources will deepen the purple appearance and emphasize the gematic body tone, bright cool white LEDs will often yield an intermediate appearance, making green more evident while retaining hints of purple in deeper pavilion areas. Fluorescent office lighting commonly seen in retail and work environments will generally render the green state, however the intensity and spectral mix of modern fluorescent or LED tubes can shift perception slightly, viewers should expect modest variation between environments, the mixed brilliant cut provides internal scintillation that complements the color change, producing small flashes of lighter and darker tones that animate the gem as the light source or viewing angle changes.

Practical considerations for use, care, and presentation are straightforward, for optimal display in jewelry consider a setting that allows sufficient light to enter and exit the stone, a low profile bezel will protect the girdle while allowing face up light to develop the color change, prong settings can present the table and crown to the viewer with minimal obstruction which enhances dynamic color performance. Because the stone is natural and untreated, avoid exposure to harsh chemicals and prolonged extreme heat, clean with warm soapy water and a soft brush or use ultrasonic cleaning only after consulting with a qualified jeweler if inclusions are present, routine inspection of the setting will ensure the stone remains secure. For collectors and designers, the combination of a 1.15 carat weight, vivid color intensity, excellent polish, and Brazilian origin makes this alexandrite a compelling choice where natural color change and untreated status are priorities. The Natural Gemstone Company stands by the accuracy of this description and is available to provide additional imagery, measurements, and guidance on setting options to achieve the desired appearance under the variety of lighting conditions you may encounter.