Unique cross necklaces have become a popular trend in fashion accessories, transitioning from traditional jewelry made of precious metals to more modern, decorative pieces made from various materials. These necklaces, featuring cross-shaped pendants symbolizing Christianity, are worn by people regardless of their religious beliefs and can be simple or designer items, often priced between $200 to $500. The younger generation appreciates cross necklaces for their eye-catching designs and affordability, making them accessible from various retail outlets.