Our London silversmith, Leon Nussbaum, handcrafts these iridescent white opal and sterling silver earrings one at a time in his studio. For each piece, pure British sterling silver is set with an inlaid matrix of iridescent white opal. Each earring is 0.375 inches square, with a post. Handcrafted for Uno Alla Volta, from the heart and hands of the artisan.