Constellation necklace in 14k gold over stainless steel. This zodiac sign necklace makes the perfect birthday gift. Choose the chain & your zodiac sign. It is water-resistant & it is not going to tarnish. You can see the 14k gold filled cable chain in the last 3 pictures. The disc measures 2 cm / 0.8 inches with swarovski crystals. The necklaces on the model measure 19 1/2 " (Gourmet) & 14 1/4" (Square). It can also be personalized by adding an initial disc on it Custom Zodiac Sign Necklace, Sign, Constellation On Disk Coin Pendant Birthday Gifts