4.81 Ct. Cabochon Moonstone from Madagascar

This is a beautiful translucent 4.81 carat pear shape blue flash moonstone, presented as a cabochon with dimensions of 11.69 x 8.77 x 6.52 mm, offered by The Natural Gemstone Company. The piece displays a medium light body color, and the adularescent blue flash is prominent on the rounded dome. Clarity is graded as very very slightly included when evaluated at eye level, the polish is excellent, there are no enhancements, and the stone is sourced from Madagascar. Opal type is White Opal, and this classification is included in our catalogue to assist collectors who track surface and body tone. The pear shape and cabochon cut have been selected to maximize the optical phenomena that define quality moonstones, while the tidy dimensions and weight make this stone versatile for ring, pendant, or bespoke settings.

For an educated buyer this moonstone is notable for several reasons, each of which speaks to both aesthetic value and market desirability. The 4.81 carat weight is substantial for a blue flash moonstone presented as a single pear cabochon, and the translucent body allows the blue sheen to develop across the full surface without being obscured by heavy body color. The very very slightly included clarity at eye level means inclusions are minimal and do not detract from the visual effect, and the excellent polish ensures a clean, near mirror finish that complements adularescence. The lack of enhancement preserves natural origin and long term stability, and Madagascar provenance is important because the region has a track record for producing moonstones and white opals with attractive flashes and good transparency. Taken together, these objective grading points support the stone s value to a buyer who prioritizes natural optics, intact provenance, and clean presentation.

Light interaction is where this moonstone truly earns its reputation. In bright daylight the translucent body and medium light tone allow a cool blue adularescence to migrate smoothly across the dome as the stone moves, producing the classic floating sheen. Under direct sunlight the flash becomes more concentrated and intense, often showing a bright blue patch near the apex of the cabochon. Under warm incandescent lighting the body may read slightly warmer, softening the blue flash into a gentler glow, while modern LED light sources that favor cooler spectrums will enhance the blue sheen without washing the stone out. In low or diffuse lighting the moonstone will present a soft, inner glow, ideal for intimate jewelry uses. The cabochon cut and excellent polish maximize these effects, and mounting the stone with the long axis aligned to the finger or pendant will present the most dynamic flash in everyday wear.