


1.02 ct Natural Ceylon Blue Sapphire – Oval Cut
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Discover this natural 1.02 ct blue sapphire from Sri Lanka (Ceylon), one of the world’s best-known sources of natural sapphires. Cut into a classic oval shape, the gemstone combines an attractive blue appearance with proportions well suited for fine jewelry.
The sapphire measures 6.90 × 5.40 × 3.15 mm and weighs just over one carat, making it an appealing choice for an engagement ring, custom ring, pendant or other bespoke jewelry design.
Its oval cut creates an elegant, balanced silhouette while allowing the stone’s blue coloration and natural character to remain the visual focus. The gemstone is graded as Slightly Included, reflecting the natural internal characteristics expected in genuine corundum.
This sapphire has undergone heat treatment, a widely used treatment for natural sapphires that is disclosed transparently in the gemstone specifications.
The stone originates from Sri Lanka (Ceylon) and is supplied with a Sosna Gems Certificate detailing its principal characteristics.
Gemstone Details
- Gemstone: Natural Sapphire
- Weight: 1.02 ct
- Color: Blue
- Shape / Cut: Oval
- Dimensions: 6.90 × 5.40 × 3.15 mm
- Clarity: Slightly Included
- Origin: Sri Lanka (Ceylon)
- Treatment: Heated
- Certificate: Sosna Gems Certificate
- Condition: Loose Gemstone
Each natural gemstone is unique and may show subtle variations in color depending on lighting conditions, viewing angle and screen settings.
The photographs and video show the actual sapphire offered for sale. You will receive this exact gemstone.
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Documentation & Verification
Every gemstone is supplied with the documentation stated in the product specification. This may include an independent laboratory certificate or a Sosna Gems Colored Stone Report.
Additional or alternative independent laboratory certification can be arranged upon request for eligible gemstones.

Learn about bespoke jewelry
Every bespoke piece begins with a gemstone. Selected gemstones from our collection can be transformed into individually designed jewelry, created around the proportions, character and intended use of each stone.
Every design is developed in consultation with our gemologists and goldsmiths, ensuring that the finished piece complements both the gemstone and your preferences.
Gemological overview
Technical and gemological information about this gemstone variety.




