High-quality natural Swiss Blue Topaz round briolette gemstones calibrated to 10 mm (approx. 3.70 to 4.50 cts per stone) featuring a half-drilled peg hole. Sourced from high-grade white topaz rough (originating from Brazil, Mozambique, and India) and expertly treated and precision-faceted in our own factory. Features a vibrant, vivid blue color and a high-luster polish. Ideal for peg-set drop earrings, pendant charms, rings, and fine custom jewelry designs. Wholesale bulk quantities and custom orders available upon request.