These bold Numina studs are intensely alluring and combine dazzling radiance with metallic engineering. Each piece is black ruthenium plated and features a single Swarovski zirconia placed within a hexagonal setting. A shiny ball closure completes the look. Choose these edgy pierced studs to add industrial strength to any outfit. Since 1895, Swarovski has been committed to philanthropy and , continuously investing to preserve the environment and to positively impact global and local communities. In 2020, we initiated the largest transformation ever for our business, by fully integrating within our entire Swarovski crystal business. This allowed us to prepare for the challenges of the future and to strengthen our commitment towards our vision and company strategy.