Silpada Turquoise & Sterling Silver 4-Strand Beaded Necklace N1299 Offered today is a stunning turquoise bead necklace by Silpada. It features oval, round, and chip turquoise beads with round Sterling silver, conical clear crystal, and faceted black onyx spacer beads. It measures approximately 16" to 18.5" in length, depending on where clasped. It is in excellent condition and is stamped with the Silpada symbol on the oval metal tag and lobster claw clasp.