Lustre

Lustre describes the way light interacts with the surface of a gemstone or metal, highlighting its brilliance and reflective qualities.

Part of speech: noun
Definition: In the jewelry industry, 'lustre' refers to the quality and intensity of light reflection from the surface of gemstones or metals. This characteristic is a key determinant of a gemstone's appeal and value, affecting how sparkly, shiny, or glossy it appears. Different materials possess varying levels of lustre, for example, diamonds are highly prized for their brilliant lustre, while pearls are valued for their soft, subdued sheen. The surface condition, smoothness, and type of material significantly influence the perceived lustre, making it a critical aspect when assessing the quality and craftsmanship of jewelry pieces. Proper cutting and polishing techniques can enhance the lustre of a gemstone or piece of metal, making it more attractive and desirable to consumers.