High-quality natural London Blue Topaz round faceted-cut gemstones calibrated to 5x5 mm (approx. 0.60 to 0.65 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 brilliant diamond-cut style faceting, intense fire, and high surface polish. Ideal for solitaire rings, accent settings, stud earrings, tennis bracelets, and custom fine fashion jewelry designs. Wholesale bulk quantities and custom orders available upon request.