Shell & Pearl 48&rdquo; Long Slip-Over Necklace & Stud Earring Set Demi Parure Flapper Shell pearl demi parure necklace & earrings set. Works great as costume jewelry. Shell pearls are lab made from real oyster shell Shell pearl & faceted bead knotted necklace No clasp, slip over-head, wrap up to one time, Shell pearl pierced stud earrings Approx 8mm pearl, 48 necklace