Next week to celebrate their 60th wedding anniversary Holiday Inn hotels will be surprising a few lucky guests with dazzling diamonds. The Hotel chain plan to place more than £30,000 worth of diamonds under pillows in hotel rooms across Europe – including the UK, France, Spain, Germany, Belgium, Netherlands, Turkey and Russia. Guest staying at the hotel from Monday 1st October 2012 will have the chance to find one of the cushion cut diamonds of more than one carat hidden under their pillow. Each room at the Holiday Inn contaminating a diamond under the pillow will be selected at random. To make the search for the diamonds easier the hotel will give out daily clues and hints about where the diamonds are hidden.