Garnet gemstones with sterling silver double strand necklace.Genuine Garnet Gemstones Metal is sterling silver 17. 25" long. 1. 25" silver chain, 18. 5" total length Garnet is popularly known as a dark red gemstone. It has been found as early as the Bronze Age and was known in Egypt and ancient Sumeria. They are stones of prosperity and pleasure, supporting you to live the good life! Garnet was named after the pomegranate and is the birthstone for January.