Sparrow Technology provides accurate and reliable diamond girdle marking solutions using advanced laser systems. Our machines mark microscopic text, logos, serial numbers, or certification details directly on the diamond's girdle—without affecting its beauty or quality.

Fast, contactless, and easy to use, our girdle marking machines work with both natural and lab-grown diamonds. Ideal for branding, certification, and traceability, Sparrow Technology helps businesses add trust, value, and identity to every diamond.