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12.35 Ct. Greyish Blue Star Sapphire from Ceylon (Sri Lanka)
This loose stone ships by May 5
Item ID: | S24109 |
|---|---|
Dimensions (MM): help | Length: 13.82 Width: 11.8 Height: 7.87 |
Weight: | 12.35 Ct. |
Color: help | Greyish Blue |
Color intensity: help | Medium |
Clarity: help | Very Slightly Included |
Shape: help | Oval |
Cut: | Cabochon |
Cutting style: | Cabochon |
Enhancements: help | No Enhancement |
Origin: help | Ceylon (Sri Lanka) |
Per carat price: help | $337 |
Star appearance: | 2-4 Ray, Strong Star Appearance |
From the weathered alluvial terraces of Ceylon, where monsoon streams once carried mineral riches from the heart of ancient rock, this star sapphire began its long journey. Mined by hands that have learned to read the language of the earth, the rough was pulled from deposits that have produced some of the most celebrated sapphires in history. In Sri Lanka, every stone carries the memory of time, pressure, and the patient work of generations of miners. The greyish blue hue of this piece reflects the cool, misty highlands and the deep, mineral rich soils of its birthplace. Carried from the pit to the local workshop, the rough entered a chain of stewardship where experience and respect for the material guided each decision, ensuring the natural character of the sapphire remained intact.
When our gemologists at The Natural Sapphire Company first examined the piece, the potential for a pronounced star was clear, and the choice to fashion it as a cabochon was made to honor that asterism. We selected an oval outline to balance the stone's proportions, preserving weight and maximizing the play of light across its surface. The finished gem weighs twelve point three five carats, and measures thirteen point eight two by eleven point eight zero by seven point eight seven millimeters, dimensions chosen with a lapidary eye toward symmetry and visual presence. Its greyish blue color shows medium intensity, subtle and evocative rather than loud, making it versatile for both classic and contemporary settings. Transparency is unusually good for a star sapphire, allowing the body color to show through while the star glides across the dome, and the clarity was graded as very slightly included when examined at eye level, a testament to natural formation rather than treatment. No enhancements were applied, so the stone remains entirely natural, a true gem from Ceylon, with an excellent polish that invites the touch and rewards close inspection.
The process of shaping and polishing this sapphire was a dialogue between cutter and crystal. Creating a star requires aligning the cabochon dome so that the needle like inclusions stand in concordance, producing a sharp, mobile star when light moves across the surface. Our lapidary carefully oriented the stone to deliver a single, centered star that becomes the focal point as the gem is turned under a lamp. The cabochon cut emphasizes the star effect while maintaining a pleasing oval silhouette that flatters ring, pendant, or bespoke pieces. During cutting, every decision balanced weight retention with the desire for a lively, well centered asterism. The excellent polish was achieved through patient stages of sanding and polishing, bringing out a mirror like luster that makes the greyish blue body color glow and allows the star to glide with elegance. The result is a gem with a refined presence, a natural spectacle honed by skilled hands, and a durable character that requires only normal care to preserve its beauty.
As a piece offered by The Natural Sapphire Company, this twelve point three five carat greyish blue star sapphire is more than a gem, it is a story to be worn. Imagine it set in a simple bezel to let the star breathe, or framed in a halo of complementary gems that echo the soft blue and lend brilliance. It carries with it the heritage of Ceylon mining, the quiet expertise of our gemological team, and the craft of the lapidary who revealed its inner light. For those who seek a sapphire with provenance and personality, this stone speaks of distant monsoon fed streams, of patient refinement, and of a natural asterism that rewards the finder. We invite you to experience it in person, to see the star move and to feel the weight and polish, and to speak with our specialists about designing a setting that will carry this story forward. The Natural Sapphire Company stands behind the authenticity and origin of this gem, and we are honored to help connect it with a wearer who will cherish its journey from Ceylon earth to finished jewel.





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