Gold is a commonly used precious metal, while ruby is a precious gem, which is often used in jewelry and jewelry making. When making necklaces, gold can be used to make chains, pendants or other decorative parts of necklaces. Ruby can be set in a pendant made of gold or used as an inlay in a necklace. Both gold and rubies are highly ornamental and precious, so gold necklaces with rubies are often beautiful and precious. This kind of necklace is usually regarded as high-grade and luxurious jewelry, and is often used for special occasions or as precious gifts. Before making necklaces with gold and rubies, it is recommended to consult professional jewelry designers or jewelry stores for professional advice on design, material selection and manufacturing technology. They can provide personalized design and production schemes according to their own needs and budgets.