The brand’s 12 day calendar sells out year after year Sign up to our free weekly newsletter for insider tips and product reviews from our shopping experts Sign up for our free IndyBest email Sign up for our free IndyBest email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice One of the most decadent ways to countdown to Christmas , jewellery advent calendars are the fashionable older sister to chocolate countdowns. Despite