The stones in these round studs and pendant are Herkimer Diamonds, beautiful faceted quartz that comes from Herkimer New York. They are set in .925 Sterling Silver minimalist settings to fully capture the wonderful sparkle the stones are known for. The Herkimer Diamonds in the earrings are 5mm or 0.20 inches diameter while pendants stone is 8.5mm or 0.33 inches in diameter. These dazzling stones are classy yet can be worn casually as well. Either way their sparkle will impress. Please Contact Us to place an order.