The Nova Chain Necklace will take your look to the next level. Featuring a round box chain with a decorative latch clasp, this necklace comes in two sizes so you can create your dream stack. Explore more of the Nova collection including an Antique Silver version and both Silver and Gold bracelets. Measurement: 18" long Materials: -24kt gold overlay round box chain - 3mm small or 4.5mm large chain thickness Our 24kt Gold Overlay jewelry is crafted using a high-quality brass base coated with an advanced acid gold electro-depositing process, applying 20-30 microns of 24kt gold. This technique produces a durable and long-lasting finish, far superior to basic decorative gold-plated costume jewelry, which typically features 5-7 times less gold.