Gemma, or jewel, is in the constellation Corona Borealis, or the "Northern" this
... is [2919] 
alpha Coronae Borealis, also known as Gemma ("jewel"), Alphecca or Alphekka
... [DOC] [TLE] CORONA BOREALIS - kvmagruder.net [PAR] Name: CORONA BOREALIS; Translation: Northern Crown; Abbreviation: ... 
Gemma is the center jewel in the Northern Crown, the constellation's brightest 
star.