This knock out necklace is made using very, very rare vintage Swarovski. The crystals were manufactured from 1940-42. The color is Wistaria which is incredibly rare. You have a choice of pairing with either a goldfill or a sterling paperclip chain. 17" with 2" extension. You can include a note in the order for your choice of metal. If you would prefer, you may send an email to Trish at tkozub@idazz.com