The Sigma Lapis necklace is finished with a beautiful Lapis Lazuli natural stone. This necklace is 42.5cm long and is adjustable by 3cm to always fit you perfectly. All Didyma jewelry is made from 316L stainless steel combined with beautiful natural stone. We chose this material because it is very durable, lightweight, and hypoallergenic. The color will not fade over time if you treat it with care. Lapis lazuli is a vibrant blue stone with golden accents that has been valued since ancient times for its beautiful color and unique properties. It represents: 1. Wisdom: Lapis lazuli is often associated with wisdom, insight, and spiritual enlightenment. It is considered a symbol of truth. 2. Harmony and peace: it is believed that this beautiful blue stone brings harmony and peace to the wearer or owner, promoting a sense of inner calm and balance. 3. Good communication: it is known as a communication stone and is said to help improve expression and understanding.