- Stone17
- Reports3
-oval-skyblue-topaz-12.7600-cts-k33042-1.jpg?d=200x200&v=20261016040633)
-oval-skyblue-topaz-12.7600-cts-k33042-1.jpg?d=200x200&v=20261016040633)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-1.jpg?d=200x200&v=20261016012124)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-2.jpg?d=200x200&v=20261016012125)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-3.jpg?d=200x200&v=20261016012125)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-4.jpg?d=200x200&v=20261016012125)











12.76 Ct. Swiss Blue Topaz from Ceylon (Sri Lanka)
This loose stone ships by Nov 10
Item ID: | K33042 |
|---|---|
Dimensions (MM): help | Length: 16.31 Width: 12 Height: 7.95 |
Weight: | 12.76 Ct. |
Color: help | Swiss Blue |
Color intensity: help | Intense |
Clarity: help | Eye Clean |
Shape: help | Oval |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | Irradiated |
Origin: help | Ceylon (Sri Lanka) |
Per carat price: help | $40 |
A rare opportunity awaits the collector who seeks unmistakable presence and refined beauty, a single exceptional Swiss blue topaz from The Natural Gemstone Company. This stunning transparent gem weighs 12.76 carat, and its elegant oval proportions measure 16.31 by 12.00 by 7.95 mm. The stone is faceted with a mixed brilliant cut, finished to an excellent polish, and evaluated as eye clean at normal viewing distance. Its intense color intensity is immediately arresting, a pure and vivid blue that sits between the finest ocean tones and the bright clarity of sky at midday. The combination of generous size and immaculate clarity creates a commanding visual impact that is seldom found in topaz at this scale, and its presence is amplified by the precise symmetry of the cutting, which was executed to present the maximum depth of color and the truest table of light.
When set against more common gemstones this Swiss blue topaz distinguishes itself in both character and performance, offering a different kind of brilliance that rewards careful appraisal. Unlike diamonds, which rely on very high refractive index and dispersion to deliver intense white light return and rainbow flashes, this topaz captivates by marrying pure color saturation with sparkling facet play, the mixed brilliant cut converting every ray into lively flashes of blue and white. Compared with typical blue topaz material that can appear flat or pale, this gem shows a concentration of hue and an evenness of tone that reads as luxurious and vivid in hand. Compared with aquamarine and sapphire, it offers a lighter, more luminous personality, the kind of brilliance that seems to glow from within rather than simply reflecting light from the surface. The excellent polish and eye clean clarity allow unobstructed light travel through the stone, producing scintillation that is both energetic and refined, and the mixed brilliant faceting enhances both flash and depth so that the gem performs beautifully in both daylight and artificial light.
Provenance and treatment are central to the story of this gem, and we present it with full transparency and pride. Origin Ceylon Sri Lanka, enhancement irradiated, a common and stable treatment used to bring forth the vibrant Swiss blue tone that collectors prize. The irradiation has been followed by careful heat stabilization where needed, resulting in a color that is enduring when cared for properly. Given its size and quality, this topaz is ideally suited to a bespoke setting that honors its singularity, whether fashioned into a statement ring, a refined pendant, or a bespoke pair of earrings designed to showcase the oval silhouette and faceted brilliance. At The Natural Gemstone Company we seldom encounter examples that combine such substantial carat weight, flawless visual clarity, intense color, and masterful cutting in one piece, making this gem a discreet emblem of exclusivity for an owner who appreciates rarity and craftsmanship. For collectors who wish to own something truly uncommon, this Swiss blue topaz is available as a single curated piece, and we invite you to contact us to discuss bespoke mounting options, shipping, and private viewing arrangements.




-oval-skyblue-topaz-12.7600-cts-k33042-1.jpg?d=750x750&s=ngc&v=20261016040633)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-1.jpg?d=750x750&s=ngc&v=20261016012124)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-2.jpg?d=750x750&s=ngc&v=20261016012125)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-3.jpg?d=750x750&s=ngc&v=20261016012125)
-oval-skyblue-topaz-12.7600-cts-k33042-lifestyleimage-4.jpg?d=750x750&s=ngc&v=20261016012125)
















