Vivienne Westwood Olympia Pearl Necklace In Platinum. The signature Vivienne Westwood Orb is featured on the pendant in silver with crystal detailing which is attached to a delicate Swarovski polished pearl string chain and has a Vivienne Westwood embossed lobster clasp. The chain length is 44cm and the pendant measures 2.1cm in height and 2.5cm in width.