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Sri Lankan National Gem and Jewellery Authority Licenced Gem Dealer.

Ceylon Natural Alexandrite Cat’s Eye from Sri Lanka – Rare Color Change and Chatoyancy in One Gem

A Ceylon Natural Alexandrite Cat’s Eye is one of the rarest expressions found in natural chrysoberyl. What makes this gemstone special is the meeting of two uncommon qualities in one stone: a visible cat’s eye effect, or chatoyancy, and a distinct color change from green to red. In fine gemology, either one of these features is already desirable. When both appear together in a well-cut natural stone, rarity begins to move into a much more selective category.

This gemstone weighs 1.35 carats and measures 7 × 5.1 × 4.4 mm. It is an oval cabochon with VS clarity, presented as natural and unheated, and identified as Alexandrite Cat’s Eye, a variety of Natural Chrysoberyl. Its body color shifts from green to red under different lighting conditions, while the surface reveals a sharp moving ray created by internal alignment. This combination gives the stone both visual life and collector interest, not through sparkle, but through precision optical behavior.

The origin of this gemstone is Rambuka village around mining in Sri Lanka, an area known among gem people for producing rare and interesting varieties. Within Sri Lankan gem trade circles, Rambuka has long been respected as one of the notable source areas for fine alexandrite-related material. For Danu Group, being close to these gem-producing regions is not just a business advantage; it is part of how rare stones are recognized early, understood properly, and brought to the world market with greater authenticity.

This finished stone began as a 4.5 carat rough. From the beginning, the rough showed promising internal behavior, especially the balance between chatoyancy and color change. That is where the real work started. In stones like this, cutting is not about following a standard outline. It is about protecting the moving eye, controlling the dome, and preserving the color-changing character without weakening the phenomenon. Danu Group was involved through each stage, from identifying the potential in the rough to guiding the making of the finished gemstone. The result is a refined Alexandrite Cat’s Eye that carries both natural rarity and cutting intelligence.

Treatment disclosure remains essential in any fine gemstone presentation. This stone is offered as natural and unheated, which is an important part of its identity. In collector terms, the appeal of this gemstone lies in the combination of species, optical character, source, and the fact that its beauty depends on nature’s structure rather than artificial enhancement.

According to traditional and cultural gemstone beliefs, Alexandrite Cat’s Eye is associated with June, Gemini, Ketu, the Heart Chakra and Crown Chakra, and is symbolically linked with luck, prosperity, and intellect. These meanings belong to belief-based traditions rather than gemological science, but they add another layer of significance for those who value symbolic gemstones.

For collectors, designers, and serious gemstone buyers, this is not a common commercial stone. It is a rare natural chrysoberyl selected for its individuality, color behavior, and distinctive eye. It represents exactly the kind of piece that gains meaning from both origin and careful human judgment.