The John Hardy Diamond Silver 18-inch Necklace is a luxurious piece of fine jewelry featuring a natural round diamond set in sterling silver with a pavé setting style. The necklace is signed by the brand and has a lobster closure, making it perfect for special occasions like birthdays and Valentine's Day. With a chain style design and a metal purity of 925, this necklace exudes elegance and sophistication, making it a stunning accessory for any outfit.