Perfectly Round and Near-Round Freshwater Pearl Wholesale Round pearls are perfectly spherical, or very nearly so. The term near-round and off-round are used to describe pearls which are "roundish" to eyes but have a slightly oval or flattened shape.

Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925.