Swarovski Innovations colour F/W 2017/18 - The Xirius 1088 is Swarovski's most brilliant Crystal Element and is named after the brightest star in the Galaxy - Sirius. XIRIUS 1088's diamond-like cut, vivid colour, and superior foiling take it one step closer to the diamond. These Crystals feature a foiled back to highlight their intense colour and crystal quality and to really catch the light for extra sparkle.