A large amount of jade magatama have been excavated on the Korean Peninsula from areas that came under the control of Silla, Baekje and Mimana (but not from the ancient kingdom of Goguryeo) in the 5th to 6th centuries, and jade magatama were used for crowns and earrings in Silla.
朝鮮半島では5～6世紀の新羅・百済・任那の勢力圏内で大量のヒスイ製勾玉が出土（高句麗の旧領では稀）しており、新羅の宝冠や耳飾などにヒスイ製勾玉が多く使用されている。