<P> When the Smithsonian 's gallery was renovated in 1997 , the necklace was moved onto a rotating pedestal inside a cylinder made of 3 - inch ( 76 mm ) thick bulletproof glass in its own display room , adjacent to the main exhibit of the National Gem Collection , in the Janet Annenberg Hooker Hall of Geology , Gems , and Minerals . The Hope Diamond is the most popular jewel on display and the collection 's centerpiece . In 1988 , specialists with the Gemological Institute of America graded it and noticed `` evidence of wear '' and its `` remarkably strong phosphorescence '' with its clarity `` slightly affected by a whitish graining which is common to blue diamonds . '' A highly sensitive colorimeter found tiny traces of a `` very slight violet component '' which is imperceptible to normal vision . </P>
<P> When the Smithsonian 's gallery was renovated in 1997 , the necklace was moved onto a rotating pedestal inside a cylinder made of 3 - inch ( 76 mm ) thick bulletproof glass in its own display room , adjacent to the main exhibit of the National Gem Collection , in the Janet Annenberg Hooker Hall of Geology , Gems , and Minerals . The Hope Diamond is the most popular jewel on display and the collection 's centerpiece . In 1988 , specialists with the Gemological Institute of America graded it and noticed `` evidence of wear '' and its `` remarkably strong phosphorescence '' with its clarity `` slightly affected by a whitish graining which is common to blue diamonds . '' A highly sensitive colorimeter found tiny traces of a `` very slight violet component '' which is imperceptible to normal vision . </P>
where is the hope diamond located in the smithsonian
where is the hope diamond located in the smithsonian
a rotating pedestal inside a cylinder made of 3 - inch ( 76 mm ) thick bulletproof glass in its own display room , adjacent to the main exhibit of the National Gem Collection , in the Janet Annenberg Hooker Hall of Geology , Gems , and Minerals
a rotating pedestal inside a cylinder made of 3 - inch ( 76 mm ) thick bulletproof glass in its own display room , adjacent to the main exhibit of the National Gem Collection , in the Janet Annenberg Hooker Hall of Geology , Gems , and Minerals