The most expensive jewellery in the world The most expensive jewellery is valued at the price of $ 83.2 million. The Pink Star Diamond is set in a ring and weighs 59.60 carats. It was bought by an unknown buyer in November 2013 at the Sotheby’s auction. Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading... Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google+ account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) w Cancel Connecting to %s Notify me of new comments via email.