High-quality natural Swiss Blue Topaz cushion-shaped smooth cabochon gemstones calibrated to 14x14 mm (approx. 12.00 to 13.00 cts per stone). Sourced from top-grade natural topaz rough and treated via standard, stable irradiation to achieve a vibrant electric blue color, these gems are precision-shaped and hand-polished in our own factory by skilled artisans. They feature a smooth, polished dome with a flat back, high clarity, and exceptional surface luster. Ideal for statement solitaire rings, bold pendant centers, cuff bracelets, and custom fine fashion jewelry designs. Wholesale bulk quantities and custom orders available upon request.