13 Of The Most Valuable Jewels In The World - 13th Tsarevna Swan Ring April 6, 2018EducationalAndrea Li1 Comment 13 Of the Most Valuable Jewels In The World - 13th Tsarevna Swan Ring https://www.forbes.com/sites/anthonydemarco/2012/01/02/ring-sets-world-record-with-more-than-2500-diamonds/#2a23884b34c8