GIA Certified Untreated Blue Star Sapphire 13.88 carats 13.1×11.6×7.7mm


1 in stock


Introducing a breathtaking 13.88 carat Natural Madagascar Blue Star Sapphire, a true marvel of nature’s artistry. This exquisite gemstone possesses a remarkable strong asterism, a captivating optical phenomenon that bestows upon it a mesmerizing star-like pattern when viewed under direct light. Elegantly certified by the prestigious Gemological Institute of America (GIA), this sapphire is a testament to its exceptional quality and authenticity.

The physical properties of this magnificent gem are truly exceptional, making it a collector’s dream and an heirloom piece. Its rich, deep blue hue exudes an air of sophistication and timeless beauty, reminiscent of the vast ocean depths. The sapphire’s clarity is impeccable, allowing the star to shine with unparalleled brilliance.

What sets this Natural Madagascar Blue Star Sapphire apart is its unheated status, a rarity among gemstones. Unlike many other sapphires that undergo heat treatment to enhance their color and clarity, this gemstone has retained its pristine beauty and original character as nature intended. This unheated status not only underscores the gem’s authenticity but also adds to its investment value, as collectors seek out such exceptional, untouched treasures.

Whether you’re a connoisseur of fine gemstones or a passionate jewelry enthusiast, this 13.88 carat Natural Madagascar Blue Star Sapphire is a true marvel that will capture your heart and imagination. Its strong asterism, rich blue color, exceptional clarity, and unheated status make it a unique and precious gemstone that embodies the essence of nature’s artistry and the allure of the cosmos. A testament to the Earth’s geological wonders, this sapphire is a timeless masterpiece that will shine brightly for generations to come.


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