High-quality natural Swiss Blue Topaz round-shaped faceted-cut gemstones calibrated to 12x12 mm (approx. 7.70 to 8.50 cts per stone). Sourced from top-grade white topaz rough originating from Brazil, Mozambique, and India, then precision-cut in our own factory by skilled artisans, these gems feature a bright, vivid Swiss blue hue, brilliant round faceting, intense luster, clean clarity, and fine surface polish. Ideal for solitaire rings, pendant centers, drop earrings, and custom fine fashion jewelry designs. Wholesale bulk quantities and custom orders available upon request.