4.87 Ct. Garnet from Ceylon (Sri Lanka)

The gemstone in question is a transparent 4.87 carat oval-shaped purplish-red garnet. It measures 12.18 x 8.13 x 6.08 millimeters and features a mixed brilliant cut, which enhances its visual brilliance through a combination of step and brilliant-cut facets. The clarity grade of this garnet is described as very slightly included when evaluated at eye level, meaning it contains inclusions that are difficult to see without magnification. These minor inclusions do not significantly impact the overall appearance and brilliance of the gemstone.
The garnet exhibits a vivid color intensity, which means its purplish-red hue is particularly strong and saturated. This vividness is highly sought after in garnets, as it contributes to the gemstone's visual appeal and value. The excellent polish of the garnet ensures that its surface is smooth and high-luster, allowing maximum light reflection and enhancing its overall brightness and sparkle.
Originating from Ceylon, known today as Sri Lanka, this garnet comes from a region renowned for producing high-quality gemstones. Sri Lanka has a long history of gem mining and is famous for its rich deposits of various gemstones, including different types of garnets. The geological conditions in Sri Lanka contribute to the formation of garnets with exceptional color, clarity, and quality.
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. The purplish-red garnet, in particular, belongs to the pyrope-almandine series, which is known for its deep, rich colors ranging from red to violet-red. These garnets possess a chemical composition dominated by magnesium and aluminum silicate in the case of pyrope, and iron and aluminum silicate for almandine.
From a gemological perspective, garnets have a Mohs hardness of about 6.5 to 7.5, making them sufficiently durable for use in various types of jewelry, including rings and necklaces. They exhibit an isometric crystal system, which means they crystallize in a symmetrical form, contributing to their overall structural stability. Additionally, garnets have a refractive index ranging from 1.72 to 1.94, which is indicative of how much they bend and refract light, enhancing their brilliance.
In conclusion, this 4.87 carat oval-shaped purplish-red garnet from Sri Lanka embodies the high-quality characteristics expected by educated buyers. Its exceptional color intensity, clarity, excellent polish, and renowned origin make it a valuable and desirable gemstone for collectors and enthusiasts alike.