What is the {said to be the same as} and the {named after} of {Diamond} ?
What is the Diamond named after and what's the same as it?
What is the Diamond  the same as and what is it named after?
SELECT ?h ?i WHERE { resource:diamond property:said_to_be_the_same_as ?h . resource:diamond property:named_after ?i }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5283> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P460> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5283> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P138> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q5283 wdt:P460 ?ans_1 . wd:Q5283 wdt:P138 ?ans_2 }