Celestial jewelry, crescent moon necklace. The crescent moon necklace is 20mm in diameter and hangs from an 18" silver plated chain. If you would like a different length chain, you can leave a note when you check out. The disc is brass and as been oxidized to bring out the crescent moon on the disc. The moon is drawn on by hand and then etched, so no two will be exactly alike. Rest assured your piece will be as beautiful as the one in the photos.