1.36 Ct. Moonstone from Madagascar

This listing presents a transparent 1.36 carat emerald cut rainbow moonstone, with dimensions of 6.95 x 6.02 x 4.80 mm, clarity grade slightly included as evaluated at eye level, light color intensity, and an excellent polish. The stone is natural, with no enhancement, and originates from Madagascar, a source known for producing fine feldspar material with distinctive adularescent effects. For the educated buyer, the combination of transparency, cut, and unenhanced provenance is important, because many moonstones are sold as cabochons to maximize the classic glow, whereas this faceted emerald cut preserves a high degree of transparency while still offering a pleasing internal sheen. The slightly included clarity grade indicates minor internal features that are visible to the naked eye, but these do not significantly detract from brilliance when the stone is well cut and well polished, and in some cases they can contribute to the unique character and light play of the gem. The excellent polish enhances surface reflection and allows optimal light return, so the stone presents a clean table and crisp facet junctions that appeal to collectors and designers seeking a refined, wearable gem.

When comparing reflective qualities to other gemstones in its category, it is important to distinguish between adularescence, labradorescence, and play of color. Rainbow moonstone is a variety of feldspar that exhibits adularescence, a soft floating shimmer that shifts with movement, and in this high transparency emerald cut the shimmer reads as linear flashes and spectral hints rather than the broad milky glow seen in typical cabochon moonstones. Compared to common white moonstone, this transparent facet shows greater clarity and more controlled flashes, making it better suited for faceted settings where precision of light is valued. Compared to labradorite, which tends to display stronger labradorescence and more intense color flashes, this rainbow moonstone is subtler and more ethereal, offering delicate spectral reflections rather than bold color patches. Compared to opal, which exhibits play of color across many hues, the rainbow moonstone provides a cooler, spectral sheen primarily in blues and silvers. For buyers at The Natural Gemstone Company seeking a distinctive, museum quality feldspar that combines transparency, ethical Madagascar origin, no enhancement, and a refined emerald cut, this 1.36 carat rainbow moonstone represents a rare balance of gemological integrity and wearable beauty.