High-quality natural Lemon Quartz square fancy concave-cut gemstones calibrated to 12x12 mm (approx. 5.50 to 6.70 cts per stone). Sourced directly from Brazilian mines and cut in our own factory by skilled artisans, these gems feature a vibrant yellow hue, fine clarity, and precision concave faceting that maximizes brilliance and surface luster. Ideal for statement rings, pendant centers, drop earrings, and custom fine jewelry designs. Wholesale bulk quantities and custom orders available upon request.