Concho Necklace Etsy Concho Necklace Etsy Concho Necklace Etsy Concho Necklace Etsy. Introducing our Brighton Mosaic Paseo Concho Necklace! This silver and blue pendent necklace adds a touch of color and charm to any outfit. Perfect for those who appreciate unique accessories. Get ready to stand out with this one of a kind piece! Material Enamel Finish Silver plated Length 18" 20" Adjustable Pendent Drop 1 1 2" Closure Lobster Claw Care: Our silver items have a protective lacquer finish to help prevent oxidation. To care for our silver items, simply wipe down your pieces with a dry, 100% cotton cloth. Keep your items away from water, jewelry cleaners, silver cleaners, treated polishing cloths, perfumes, hairspray, lotions, hand sanitizers and make up.