15.24 Ct. Multi Color Rough Sapphire Crystal from Ceylon (Sri Lanka)

This specimen is a translucent various shape multi color sapphire weighing 15.24 carats, with precise dimensions of 14.89 x 9.09 x 5.26 millimeters, presented in a rough crystal cut that preserves the natural shape of the corundum crystal while benefiting from an excellent polish to enhance surface luster and tactile finish. The gem exhibits a medium light color intensity that reads as a subtle, layered palette of tones, and it presents as multi color in a manner that is both visually complex and harmoniously subdued, making it attractive to collectors who favor natural character over heavily modern faceting. Clarity is graded as very slightly included when evaluated at eye level, which in practical terms means a clean faceup appearance to most viewers, with small, localized internal features that do not diminish transparency or brilliance, but that do provide a fingerprint of natural formation for the discerning buyer. Importantly, the stone is untreated, no enhancement, which significantly increases its desirability to connoisseurs and investors who prioritize natural state gemstones, and the origin is Ceylon Sri Lanka, a provenance long associated with some of the most collectible and historically significant sapphires in the trade.

From a gemological perspective, this sapphire is noteworthy for combining substantial carat weight with a natural, unheated condition and an evocative rough crystal presentation, which together place it in a rarer market segment. Corundum from Ceylon often displays attractive color distribution and a range of hues that can include blue, gray, and pale champagne or near colorless zones, and the multi color aspect of this stone should be understood as an expression of natural zoning and pleochroic behavior typical of sapphire, rather than as a uniform single tone. The very slightly included clarity grade confirms internal features that are expected in natural corundum and that in practice add character rather than detract from value, especially when combined with a high polish that maximizes light interaction at the surface. For an educated buyer considering function and presentation, the rough crystal cut offers unique design opportunities, from bespoke, artisan settings that embrace the stone as a natural crystal, to contemporary pieces that juxtapose polished metal and organic form, and the dimensions listed provide reliable guidance for setting design, weight distribution, and finger or pendant proportioning.

The Natural Sapphire Company sources, evaluates, and presents this sapphire with attention to provenance and gemological detail, and we recommend this piece as the perfect addition to a high end gemstone collection for buyers who value rarity, authenticity, and natural beauty. Pairing suggestions include combining this sapphire with a White Opal, a light bodied opal variety that offers soft, luminous contrast and can enhance the perceived depth and warmth of the sapphire when set together in complementary metal tones, such as warm yellow gold for color contrast, or platinum for a cooler, more modern aesthetic. For care and long term preservation we advise routine gentle cleaning with warm water and mild detergent, avoiding ultrasonic cleaning if you suspect adherent surface residues from natural host rock, and obtaining independent gemological documentation or a lab report for use in insurance and future sale. If you would like additional high resolution images, facet or profile sketches, or assistance with a bespoke mounting, please contact us, because The Natural Sapphire Company is prepared to provide further technical data, provenance support, and personalized service to ensure this 15.24 carat untreated Ceylon sapphire becomes a distinguished and well documented highlight in your collection.