Beautiful Black Agate, Nephrite and Rock Crystal double strand necklace which features oval diamond cut and smooth round black agate stones, white round nephrite beads and round rock crystal beads in two strands which fasten at the neck with a large round black agate bead and loop - perfect with that black dress! Longest length is 50cms or just over 19.5ins - largest agate stone measures 2.3cms x 1.4cms - weight is 125 grams