GIA Certified Ceylon Blue Sapphire Oval Cut – 13x9mm, 5.95ct Loose Gemstone for Fine Jewelry
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This exceptional 5.95 carat natural Ceylon blue sapphire carries the kind of rich, velvety royal blue color that has made Sri Lankan sapphires legendary for centuries. Expertly oval cut and measuring an impressive 12.95x9.01x5.81 mm, this gemstone offers remarkable presence while maintaining the elegance and brilliance that fine sapphire collectors seek. Accompanied by GIA certification, it is a gemstone chosen not only for its beauty, but for its rarity and long-term desirability.
Unlike overly dark sapphires that can appear inky indoors, this stone displays vibrant saturation with excellent life and depth, allowing flashes of blue to dance beautifully across the surface in changing light. Its generous size makes it an extraordinary centerpiece for a custom engagement ring, heirloom pendant, or investment-quality jewelry design.
This sapphire has received standard heat treatment — the most widely accepted and permanent enhancement in the sapphire industry — used to improve clarity and color while preserving the stone’s natural identity and value.
A timeless earth-mined treasure with unmistakable character, this is the kind of sapphire that transforms fine jewelry into a future heirloom.
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FAQ
What are treatments?
Natural gemstones are mined from the earth and come in a range of qualities. The quality of a gem is based on their color, cut, clarity and carat weight. Treatments are used to enhance earth mined gemstones to improve quality so that they can be used in jewelry.
Treatments can affect the value of a gemstone so it is important to know if your gem is treated before you buy to make sure you're getting the value you are paying for. If you're interested in learning more about treatments visit our blog here.
How do I know a gemstone is natural?
All of our gemstones are handpicked by our GIA accredited gemologist. We are happy to offer a certificate of authenticity for any gemstone purchase from NNJ Designs. We can also send a gemstone to the GIA for certification.
We primarily deal in natural gemstones, but as lab grown gems increase affordability, we offer them on rare occassion. We will always disclose if a gemstone is natural or lab created.
Can one of your designs be cast to fit my center stone?
We can cast any of our designs to perfectly fit the shape and size of your center stone! Please share the dimensions of your gem along with the design that you are interested in and we will work up a quote.