Sagittarius Constellation Necklace14k gold and diamond constellation necklace, with . 48 total carat weight. Wear your Astrological sign or the sign of a loved one. A perfect custom gift and timeless keepsake of our celestial destiny. Pendant hangs on an 18" chain with a loop at 16", so it can be worn at either length. November 22 December 21 Sagittarius are guided by luck. Good things happen to Sagittarius because of their optimistic outlook and positive disposition which attracts