Karambit Case Hardened Blue Gems: Patterns, prices, and history

The Karambit Case Hardened is one of the most iconic knife skins in Counter-Strike 2. Among its 1,000 possible patterns, a small number produce a blade dominated by vivid blue — and those are what the community calls Blue Gems. Fewer than 50 Karambit Case Hardened Blue Gems exist worldwide, and the rarest of them, pattern #387, is valued at up to $2 million. Here’s everything you need to know about the elusive Karambit Case Hardened Blue Gems in CS2.

What is a Karambit Case Hardened Blue Gem?

The legendary Karambit, along with the Case Hardened finish, arrived in Counter-Strike: Global Offensive on Aug. 14, 2013, as part of Valve’s Arms Deal update, the path that first introduced weapons skins to the game.