Garnet are a great choice for January birthday gifts. Garnet jewelry for women is also often chosen for Valentine's Day and Christmas. Gemstones - An pear 8*6 MM garnet accented by 1 MM natural ethically sourced diamond creates an endearing gift for a precious person or a charming Garnet pendant that can dress up your style for any occasion Precious Metal Set in Rhodium Plated Sterling Silver this Garnet birthstone necklace is stamped 925.