Jay King Sterling Silver Blue Opal Bead 18" Necklace Bring out the blue in your eyes or a favorite outfit when you accessorize with these beautiful, blue opal beads. The handcrafted necklace features pretty pastel blue stones with white inclusions for a fun, fashionable look we think you'll love! Approx. 18"L x 7/16"W with 2-3/4" extender Stamped .925 Hook closure Stone Information All sizes and weights approximate Stabilized Clarity-Enhanced Blue Opal - Faceted round (6-11mm), freeform (8x14mm); mined in India