This green gemstone is a very hard variety of beryl.
— Description, Sonic and the Black Knight[1]

The Emerald (エメラルド Emerarudo?) is a collectible item that appears in Sonic and the Black Knight.


The Emerald is a green, emerald cut gem stone. Accordingly, it is a very hard variety of beryl.


In gameplay, the player can collect the Emerald during different Missions in certain areas. For then to obtain it, the player must use the ID points earned from completing the Mission where the Emerald was picked up to identify it on the identification screen. The Emerald is needed to craft the Caledfwlch.


  • No: 102
  • ID Point Price: 3
  • Rarity Level: ★★★☆☆☆☆☆☆☆
  • Item Type: Gem stone
  • LocationCrystal Cave ("Ring Chain: Collect 100 Rings")

See also


  1. Official in-game description of Emerald in the Treasury, item 102/247.

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