The product is an 18K yellow gold over sterling silver necklace with a 6.5mm diamond cut and a 20 inch herringbone chain. It features a lobster closure and is part of the JTV brand. The necklace is a classic and stylish piece of fine jewelry that adds a touch of elegance to any outfit. Made with high-quality materials, this necklace is perfect for those who appreciate the beauty of gold and silver in their jewelry collection.