GOODSTONE JEWELS Rectangle Chain Pendant Necklace, a refined piece handcrafted from premium 925 sterling silver. Designed for the modern woman who appreciates both elegance and everyday wearability, this necklace combines fine craftsmanship with natural charm. At the heart of this piece is a mesmerizing 5mm round natural black opal, totaling 0.5 carats. Known for its captivating play of color, the opal adds a distinctive, ethereal glow that draws admiration with every glance. This necklace features a 16-inch sterling silver chain with a 2-inch extender, giving you flexibility to wear it at your preferred length.