12.70 Ct. Cabochon Moonstone from Ceylon (Sri Lanka)

One beautiful translucent 12.70 carat oval shape grey moonstone presents itself with calm presence and refined simplicity, a gem that invites both quiet admiration and thoughtful design. This specimen measures 15.14 x 11.55 x 9.87 mm, a generous size for a cabochon cut that allows the stone to reveal its internal character without distraction. The cabochon shape enhances the smooth surface and soft curves of the gem, creating a gentle canvas for light to roll across the dome and emphasize its subtle grey tones. Evaluated as eye clean at eye level, the clarity of this moonstone assures a pleasing, unobstructed visual field that is ideal for close wear. The color intensity is light, offering a versatile neutral that harmonizes with many metal choices and complementary stones, while the polish has been graded excellent, resulting in a mirror like finish that enhances wearability and everyday resilience. The stone is completely untreated, no enhancement has been performed, and the origin is Ceylon Sri Lanka, a classic locale known for producing fine moonstones with clean body tone and delicate optical effects.

As a gem professional at The Natural Gemstone Company I appreciate how grey moonstone can elevate both modern and classic jewelry concepts. The neutral grey in this 12.70 carat example reads as elegant and understated, yet it retains presence because of its size and translucency. In a solitaire pendant the oval proportions will sit gracefully against the skin, catching light with movement and offering a soft glimmer that flatters many outfits. Set within a halo of small white diamonds or paired with a slender bezel of brushed platinum the moonstone will take on a contemporary edge, while a warm yellow gold frame can bring out any faint warm undertones and lend a vintage sensibility. For rings a low to moderate cabochon height is ideal for daily wear, and the dimensions of 15.14 x 11.55 x 9.87 mm give a comfortable balance between statement and practicality. Designers often choose to accentuate moonstone with pavé or bead set accents that do not compete with the gem but instead lift its presence, and the eye clean clarity and excellent polish of this cabochon make such design pairings particularly successful.

Beyond style considerations there are practical qualities that make this moonstone an attractive purchase for collectors and designers alike. The absence of enhancement is important for connoisseurs who value natural material with verifiable provenance, and Ceylon Sri Lanka remains a respected source that supports both tradition and quality in gemstone trade. Care for a cabochon moonstone is straightforward, gentle cleaning with warm soapy water and a soft brush, avoidance of harsh chemicals and extreme heat, and removal during heavy physical activity will keep the polish and dome in pristine condition. The translucent body and light color intensity mean the stone plays well with layered jewelry, and its neutral grey can be combined with softer pastels or stronger saturated hues depending on the mood you want to create. At The Natural Gemstone Company we stand behind the accuracy of our description and the integrity of our sourcing, and we are happy to provide additional photographs taken in different lighting, design consultation for bespoke settings, and secure shipping options for clients worldwide. If you are considering this moonstone for a commission or as a unique addition to your collection we can discuss custom mounting ideas, matching companion stones, and professional recommendations to maximize the gem both aesthetically and structurally, ensuring you receive a piece that reflects your personal taste and the authentic character of this beautiful Ceylon moonstone.