17.05 Ct. Cabochon Moonstone from Ceylon (Sri Lanka)

There are gemstones that speak quietly of the passage of time, and then there is this exquisite grey moonstone from Ceylon that seems to carry an entire moonlit history within its translucent depths. Offered by The Natural Gemstone Company, this single oval moonstone weighs 17.05 carats, and measures 20.50 x 16.41 x 7.71 mm, a size that immediately conveys presence without shouting. The cabochon cut, the classical finish of countless ancient pieces, has been shaped to reveal a soft adularescent glow, a moving light that has inspired poets and gem collectors for centuries. Moonstone has been treasured since antiquity, appearing in the crowns and amulets of civilizations from Rome to India, and Ceylon has long been celebrated for producing material with an exceptional balance of clarity and subtle color. This gem, with its very light grey body tone and translucent character, evokes moonlight caught on a still lake, a luminous hush that invites contemplation, and an enduring elegance that bridges tradition and modern design.

Beyond its poetic presence, this moonstone is notable for its natural purity, it has not undergone any enhancements, and it carries a clarity grade of very very slightly included as evaluated at eye level. Such a clarity grade in a stone of this size, combined with an excellent polish, allows the internal shimmer to appear clean and uninterrupted, while still retaining the organic inclusions that attest to its natural origin. The cabochon form maximizes the stone as a canvas for light, smoothing the surface and enhancing the prized sheen that shifts with movement. At 17.05 carats the gem has enough weight to serve as a focal point for a statement ring, a pendant that rests close to the heart, or a standalone piece that can be set within a bespoke design. The dimensions of 20.50 x 16.41 x 7.71 mm offer a comfortable scale for wearable jewelry, while the substantial depth of 7.71 mm contributes to a sense of depth and inner luminosity.

This moonstone invites settings that respect its classical lineage and timeless aesthetic, imagine a traditional bezel that cradles the cabochon and emphasizes the stone as an heirloom object, imagine a simple gold frame that allows the moonlight effect to take center stage, or a refined halo of smaller, complementary stones that highlight its soft grey glow without overwhelming its subtle beauty. For those drawn to historical resonance, designs inspired by antique motifs can enhance the sense of continuity with generations past, while minimalist contemporary settings can offer a modern contrast that lets the gem speak for itself. The rare combination of translucency, gentle adularescence, and no enhancement makes this moonstone especially suitable for collectors who value natural provenance, as well as for designers seeking a singular centerpiece that ages with grace. Worn over decades, it will gather stories, and with careful design it can become the spark that ties together a personal or family narrative.

At The Natural Gemstone Company we take pride in pairing provenance with integrity, and this Ceylon moonstone arrives with the assurance of origin and natural state, untreated and unaltered. Caring for moonstone is straightforward, it is best cleaned with a soft cloth and mild soap and water, harsh chemicals and ultrasonic cleaners should be avoided, and settings that provide gentle protection will preserve the polish and sheen. As a timeless object this gem is an investment in beauty and legacy, suitable for a discerning collector, a designer seeking a storied focal point, or an individual who wishes to wear a piece that honors tradition. If you would like further details on setting options, secure packaging, or assistance in visualizing this moonstone within a bespoke design, The Natural Gemstone Company will be pleased to assist, we can provide additional photographs, recommendations for complementary gems and metals, and guidance on turning this luminous oval into a cherished heirloom.