12 Ct Natural Blue Tanzanite Certified Rare Cushion Cut Loose Gemstone for Jewellery

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Management number 220149932 Release Date 2026/05/03 List Price $15.20 Model Number 220149932
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Introducing a truly exceptional gemstone: the 12-carat Natural Blue Tanzanite, a certified loose gemstone renowned for its rare and captivating beauty. This cushion-cut tanzanite embodies a blend of unparalleled size, stunning color, and exceptional clarity, making it an exquisite choice for high-end jewelry and a prized addition to any collection.At an impressive 12 carats, this tanzanite offers a substantial presence that enhances its visual impact and makes it a standout feature in any jewelry design. The considerable size of this gemstone ensures it will be the focal point of any piece, whether set in a dramatic statement ring, a sophisticated pendant, or an elegant brooch. The ample carat weight not only magnifies the tanzanite’s natural allure but also provides ample material for custom and bespoke jewelry creations, allowing for versatile and creative design options.The gemstone’s deep, vivid blue color is one of its most striking features. Tanzanite, known for its mesmerizing blue hues, often displays a rich spectrum of colors ranging from a delicate, light blue to a profound, intense blue with violet undertones. This 12-carat tanzanite showcases a particularly deep and saturated blue, offering a vibrant and eye-catching appearance that is both rare and highly desirable. The gemstone’s color is a result of its unique chemical composition and the meticulous craftsmanship involved in its cutting and polishing.Cut into a cushion shape, the tanzanite’s design maximizes its brilliance and enhances its overall beauty. The cushion cut, characterized by its rounded corners and large facets, is designed to optimize the gemstone’s light reflection and sparkle. This classic and elegant cut highlights the tanzanite’s rich color and internal fire, creating a dazzling display of light that captures and reflects various hues as it interacts with different angles of illumination.

  • Size and Presence: At 12 carats, this tanzanite is a notably large gemstone, providing a substantial and commanding presence. Its impressive size makes it ideal for creating high-impact jewelry designs, such as bold statement rings, elegant pendants, or sophisticated brooches.
  • Hue and Saturation: This tanzanite showcases a deep and vivid blue color, enriched with violet undertones that enhance its visual appeal. Tanzanite is known for its striking blue hues, and this gemstone’s rich saturation adds to its desirability.
  • Design and Brilliance: The tanzanite is cut into a cushion shape, a classic and elegant design characterized by rounded corners and large facets.
  • Purity: This tanzanite exhibits excellent clarity with minimal inclusions, ensuring a clear and unobstructed view of its vibrant blue color. The high level of clarity contributes to the gemstone’s overall brilliance and allows its rich hues to be displayed without interference.
  • Design Flexibility: As a loose gemstone, this tanzanite offers remarkable versatility for custom jewelry creation. Its large size, vibrant color, and classic cushion cut allow for a wide range of design possibilities.
Gem Type natural padparadscha sapphire
Stone Cut Cushion
Brand Name Generic
Stone Color Blue
Grade Rating High
Stone Weight 12 Carats
Stone Clarity VS
Item Type Name Gemstone
Certificate Type GIA
Primary Stone Gem Type Tanzanite
Stone Treatment Method Untreated

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