A 3.8-4.2mm round lapis lazuli 18K yellow gold over sterling silver bead necklace measuring approximately 0.15 inches wide with lobster claw clasp and 2-inch extender - the lapis lazuli bead necklace in warm fine gold settings. Lapis lazuli's deep ultramarine blue with characteristic gold pyrite inclusions has been one of the world's most prized gemstones for over 6,000 years. In bead form on a warm gold chain, the color creates a continuous presence that a single pendant cannot. Lobster claw clasp with 2-inch extender.