The Hope Diamond in Smithsonian Museum.World's Largest Blude Diamond A Rare but Cursed Treasure.Diamond is the strongest mineral found on earth. Diamond is also the most precious and the most priceless jewel. In Europe. during the middle age. diamonds were assumed to be the reflectors of Jesus Christ. In Myanmar. since many eras ago. diamonds were regarded as the most sacred elements on earth. and were offered to pagodas as the Diamond Orb. located at the topmost of the pagoda.