Dresden Green Diamond
It is named after Dresden , the capital of the German state of Saxony , where it has been on display for most of the last two centuries , latterly in the New Green Vault at Dresden Castle . 
<triplet> Dresden <subj> Saxony <obj> located in the administrative territorial entity <triplet> Saxony <subj> Dresden <obj> capital <triplet> Dresden Castle <subj> Dresden <obj> located in the administrative territorial entity