Swiss Blue Topaz Weight: 44.80 Carats Dimension: 20x17.3x14.8 Mm Origin: Brazil Certificate: On Customer Demand Color: Dense Blue. Swiss blue topaz is a stunning gemstone known for its vibrant, sky-blue hue. A member of the topaz family, it is prized for its brilliance, clarity, and versatility in jewelry design. This gemstone is typically treated with irradiation and heat to achieve its vivid color, which resembles the serene blue of a clear summer sky. With a hardness rating of 8 on the…