Diamond Aquarius Constellation Necklace14k gold and diamond constellation necklace, with . 38 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. January 21 February 19 Aquarius is the sign of visionaries, unconventionality and intellectual independence. Aquarius are the people who deviate from the crowd and go