1.09ct Ceylon Blue Sapphire - Cushion Cut
1.09ct Ceylon Blue Sapphire - Cushion Cut
Product Details
| Gem Type | Natural Sapphire |
| Carat Weight | 1.09 ct |
| Dimensions | 6.70 x 4.80 x 3.94 mm |
| Shape/Cut | Rectangle Cushion Mixed Cut |
| Colour | Royal Blue |
| Treatment | Traditional Heat Treatment |
| Origin | Ceylon (Sri Lanka) |
| Certification | Arctic Gem Certification Laboratory (AGCL) |
This 1.09ct Ceylon blue sapphire radiates a deep royal blue hue, the colour most associated with the world's finest sapphires. The rectangle cushion cut gives this stone a distinctive elongated silhouette with soft rounded corners, blending modern geometry with classical sapphire elegance.
Crossing the 1-carat threshold places this stone in a category that carries noticeably more visual weight on the finger or in a pendant setting. The 6.70 x 4.80 mm dimensions ensure strong face-up presence, while the mixed cut balances brilliance with rich colour saturation.
Origin & Certification
This sapphire originates from Ceylon (Sri Lanka), the island that has supplied the world's most celebrated blue sapphires for over two millennia. Ceylon's alluvial gem deposits produce stones with a characteristic velvety saturation and excellent light performance that distinguishes them from sapphires of other origins.
This stone has been enhanced through traditional heat treatment, a widely accepted practice in the gemstone industry that improves colour saturation and clarity. The Arctic Gem Certification Laboratory (AGCL) has confirmed the treatment status, natural origin, and quality characteristics on the accompanying certificate.
Why This Sapphire
At $650 AUD for a 1.09ct certified Ceylon blue sapphire, this stone represents genuine collector-grade value. The royal blue colour is the most sought-after shade in the sapphire market, and the rectangle cushion shape offers a distinctive alternative to the more common oval and round cuts.
This sapphire suits a solitaire engagement ring, a statement pendant, or a collector adding depth to a curated gemstone portfolio. The 1-carat-plus size ensures it holds its own visually in any setting, while the AGCL certification provides confidence in the purchase.
Related:
Is this sapphire heated?
Yes. This sapphire has undergone traditional heat treatment, a standard and widely accepted industry practice that enhances colour and clarity. The treatment is disclosed on the AGCL certificate accompanying this stone.
What does "royal blue" mean in sapphires?
Royal blue describes a deep, vivid blue with medium-dark tone and strong saturation. It is the most prized colour grade for blue sapphires and is characteristic of fine Ceylon stones. This 1.09ct sapphire displays that coveted royal blue hue.
Can this sapphire be set in a ring?
Yes. The rectangle cushion shape with 6.70 x 4.80 mm dimensions suits solitaire, halo, and three-stone ring settings. Sapphires rate 9 on the Mohs hardness scale, making them highly durable for everyday wear.
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