("thousand grains") A setting in which the stone is secured by many tiny beads (hence "mille grains") of metal. It also refers to a band of metal that is decorated with tiny beads of metal.
A style of setting in which the stone is held in placeby a row of tiny beads along the girdle of the stone.
Decorating style creating a fine bead like effect around the edge of a metal collet; popular in the Edwardian and Belle