High-quality natural London Blue Topaz round faceted sphere ball gemstones calibrated to 12x12 mm (approx. 15.00 to 16.00 cts per stone). Sourced from top-grade natural topaz rough and precision-cut in our own factory by skilled artisans, these gems feature a deep, rich London blue hue with fine micro-faceted geometry, intense luster, and high surface polish. Each piece includes a 1 mm top drill hole, making them ideal for statement drop earrings, dangle pendants, and custom fine fashion jewelry designs. Wholesale bulk quantities and custom orders available upon request.