Givenchy Crystal Halo Collar Necklace & Drop Earrings Set, 16" + 3" extender Illuminate your look with this halo-style crystal collar necklace and drop earrings set by Givenchy. - Set in gold-tone mixed metal - Approx. length: 16" + 3" extender; approx. earring drop: 1 - Foldover clasp closure; french wire closure - Pairs with other pieces from the Round Stone collection