- Stone17
- Reports3
-round-blue-topaz-8.1700-cts-k34141-1.jpg?d=200x200&v=20261111120438)
-round-blue-topaz-8.1700-cts-k34141-1.jpg?d=200x200&v=20261111120438)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-1.jpg?d=200x200&v=20261109011550)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-2.jpg?d=200x200&v=20261109011555)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-3.jpg?d=200x200&v=20261109011559)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-4.jpg?d=200x200&v=20261109011604)











8.17 Ct. Sky Blue Topaz from Ceylon (Sri Lanka)
This loose stone ships by Dec 2
Item ID: | K34141 |
|---|---|
Dimensions (MM): help | Length: 11.99 Width: 11.98 Height: 8.72 |
Weight: | 8.17 Ct. |
Color: help | Sky Blue |
Color intensity: help | Light |
Clarity: help | Eye Clean |
Shape: help | Round |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | Irradiated |
Origin: help | Ceylon (Sri Lanka) |
Per carat price: help | $24 |
One beautiful transparent sky blue topaz is presented by The Natural Gemstone Company, an impressive round shape gem weighing 8.17 carats, with exact dimensions of 11.99 x 11.98 x 8.72 mm, faceted in a mixed brilliant cut that balances crown facet complexity with a powerful pavilion to maximize light return, a clarity grade described as eye clean when evaluated at eye level, and a light color intensity that reads as a soft and elegant blue. The cutting style is faceted, and the polish has been judged excellent, which means the facet junctions and surface treatment contribute minimally to light leakage and maximize both brilliance and scintillation. The stone has been enhanced by irradiation, a well established and industry accepted method to create stable blue tones in topaz, and the gem is sourced from Ceylon, Sri Lanka, a locality with a long and respected history in gem production. All of these characteristics are documented to give an educated buyer a clear understanding of what they are purchasing, including the precise dimensions and carat weight that contribute to its presence and potential setting choices.
From a gemological perspective the mixed brilliant cut on this topaz is particularly relevant to its visual impact, because the combination of a modified crown with a brilliant pavilion produces strong return of white light and lively facet contrast, qualities that are especially desirable in a gemstone intended for a single stone ring or a statement pendant. Topaz has a refractive index and dispersion that are lower than diamond, yet a well executed cut and excellent polish will optimize brilliance and fire, and this stone demonstrates that optical precision. The eye clean clarity grade means that under normal viewing conditions there are no visible inclusions to distract from the color and sparkle, which increases the gem s aesthetic appeal and usability in designs where the stone will be set face up. With a hardness of approximately 8 on the Mohs scale, topaz is durable enough for everyday jewelry with proper care, and the substantial 8.17 carat weight gives it the physical mass to display strong light performance, making the gem appear larger and more commanding on the hand than offerings of lesser weight.
Treatment disclosure is a critical part of informed buying, and this sky blue topaz has been irradiated to achieve its attractive blue color, a standard treatment in the trade that is both stable and widely accepted when fully disclosed. Often irradiation is followed by controlled heating to refine tone and hue, depending on the rough material, and buyers should understand that these processes do not diminish the gem s intrinsic beauty or structural integrity when correctly performed. The origin of Ceylon, Sri Lanka, adds provenance value, because Sri Lankan topaz deposits have produced gems noted for clarity and pleasing tones for generations, and many collectors and connoisseurs place added value on documented origins. The combination of origin, cut quality, eye clean clarity, and excellent polish forms a coherent profile that an educated buyer can evaluate against market comparables, and because the enhancement is disclosed, the value assessment is transparent and consistent with responsible trade practices.
As a gift this round sky blue topaz is striking and memorable, its soft yet lively blue tone conveying both refinement and a wearable glamour that suits a broad range of personal styles, from classic solitaire rings to modern halo or bezel settings. The 8.17 carat weight delivers a substantial presence on the finger or at the throat as a pendant, and the eye clean nature ensures that the recipient will experience bright flashes and clean reflections without internal distractions. For those seeking to commission a bespoke piece, the exact dimensions of 11.99 x 11.98 x 8.72 mm make it straightforward to design a secure and flattering mount, and the excellent polish will face up with high scintillation under indoor and outdoor light alike. At The Natural Gemstone Company we emphasize full disclosure and gemological accuracy, and we encourage buyers to request independent certification if they prefer laboratory verification of weight, dimensions, treatments, and origin, so that this exceptional Ceylon sky blue topaz can become a treasured and confidently authenticated gift for someone special.




-round-blue-topaz-8.1700-cts-k34141-1.jpg?d=750x750&s=ngc&v=20261111120438)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-1.jpg?d=750x750&s=ngc&v=20261109011550)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-2.jpg?d=750x750&s=ngc&v=20261109011555)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-3.jpg?d=750x750&s=ngc&v=20261109011559)
-round-blue-topaz-8.1700-cts-k34141-lifestyleimage-4.jpg?d=750x750&s=ngc&v=20261109011604)
















