As seen on Katie Holmes. Introducing our reversible medallion pendants: jewelry as multi-dimensional as you are. The Astro Necklace is a double-sided pendant piece. One side features an enamel astrological chart showcasing all the zodiac signs. The other is a gold version of the astrological chart complete with tiny Cubic Zirconia accents. The charm is attached to sleek gold box chain. Choose a side according to your mood each day and wear again and again. Better yet? This piece is crafted with 18K Gold, meaning it'll last you a lifetime.