12.40 Ct. Green Prasiolite from Brazil

This exquisite 12.40 carat cushion shaped green prasiolite from Brazil displays a signature of internal character that is subtle yet unmistakable, combining the natural fingerprint of its formation with the intentional artistry of our cutting. Although the gem is graded eye clean at normal viewing distance, under magnification and when handled in light this prasiolite reveals the kind of microscopic two phase inclusions and delicate feather patterns typical of Brazilian green quartz. These minute features sit beneath the surface and interact with the facets, catching and scattering light in a way that adds depth and life to the intense green hue. The fantasy 3D cut amplifies these internal accents, transforming what might be invisible in a conventional cut into a dynamic, kaleidoscopic signature. With dimensions of 15.81 x 14.59 x 9.61 mm, an excellent polish and precise faceting, the stone shows crisp internal reflections and geometric flashes that set it apart from ordinary prasiolites with standard step or brilliant cuts.

When compared to other prasiolites on the market, this gem offers a superior combination of size, clarity, color intensity and unique internal personality that makes it an exceptional value. Many green quartz stones of similar weight are either heavily included, lack color saturation, or are cut in traditional styles that hide their inner character. This example from The Natural Gemstone Company benefits from a careful heat enhancement that stabilizes and intensifies the green tone, while maintaining the stone as a natural, transparent crystal rather than a glass simulant or heavily treated material. The fantasy cut not only elevates the visual impact, it also increases light return and makes the microscopic inclusions perform as deliberate design elements. For buyers seeking a standout center stone that reads as natural and distinctive, yet remains practical for fine jewelry, this prasiolite offers a rare balance. It is ideal for a statement ring, pendant or bespoke setting where the gemstone s unique internal signature will be continually admired, and it represents a smarter purchase than more common, less spirited stones that emphasize size over character.