Caligula’s 2000 year-old sapphire ring goes up for sale by Janet Carr Posted on October 1, 2019September 29, 2019 This ring, made out of a single sapphire, will be for sale and exhibited by Wartski next week in London. The sale/exhibition will be from 1st – 7th October 2019, and entrance is free. Read more here and here. Share this:TwitterFacebookLinkedInEmailTumblrPocketPrintRedditLike this:Like Loading...