GIA Certified Ceylon Blue Sapphire – 6.03ct Natural Oval Cut Investment Grade Loose Gemstone, Premium Sri Lankan Sapphire 12x9.2mm
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This exceptional 6.03 carat Ceylon blue sapphire showcases the rich, velvety royal blue color that has made Sri Lankan sapphires legendary among collectors and fine jewelry lovers alike. Expertly fashioned in an elegant oval cut measuring approximately 12.02x9.23x5.99 mm, this gemstone offers remarkable presence while maintaining beautiful brilliance and balance. Accompanied by GIA certification, this sapphire provides the confidence of professional verification for both authenticity and quality.
Unlike overly dark sapphires that can appear inky, this stone displays the vibrant, luminous blue that fine Ceylon sapphires are prized for — alive with depth, saturation, and natural character under changing light. Its generous size makes it an extraordinary centerpiece for a custom heirloom ring, pendant, or investment-quality jewelry design.
A rare opportunity to own a natural earth-mined sapphire with timeless appeal, exceptional color, and prestigious origin. Few gemstones carry the enduring prestige, durability, and romance of a fine Ceylon sapphire — a gem treasured for generations and forever associated with elegance, royalty, and refined taste.
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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.