Best Blue Gem Knifes in CS2 - June 2025

There's probably no gamer who hasn't heard of CS2, as this game can rightfully be considered the most popular first-person shooter and one of the most popular esports disciplines overall. CS2 stands out not only for its game mechanics, physics, and high-quality graphics, but also as one of the most economically powerful games. In it, you can sell and buy in-game items, such as weapon skins, gloves, and knives. From this list, knives are the most noteworthy, as they are a luxury item in CS2. To be fair, they come in various grades, and there are plenty of affordable ones in the Valve store, but that's not our focus today. In this text, we'll tell you about the Best Blue Gem Knives in CS2, why they are so rare, their price, and which cases you can get them from.

What is CS2 Blue Gem Knifes

Blue Gem is a special and extremely rare pattern variant that can be considered the most expensive in the game. To start, it's important to understand that Blue Gem is not the name of a skin, but a pattern variation that appears on Case Hardened items. This can include the AK-47, Five-SeveN, or even gloves, but in this text, we'll focus on the Best Blue Gem Knives in CS2.

Case Hardened skins were first introduced in Counter-Strike with the Arms Deal update, released back in 2013. This update was one of the first to feature weapon skins. Over the years, the popularity of the skins released in this update, particularly Case Hardened, has skyrocketed. While there are several reasons for this, it’s mainly due to the many pattern variations, some of which are extremely rare. The Case Hardened pattern resembles hardened metal, which is used to make weapons and knives more durable and robust.

The Blue Gem Case Hardened pattern in CS2 is created from a pre-designed template featuring metallic and speckled colors. The base of the sheet is light gray, overlaid with bright blue hues and purple spots along the edges, which are then surrounded by dull golden flecks. There are a thousand different variations of these patterns, called seeds, and each seed is assigned a numerical value from 0 to 999. We also advise you to read Blue Gem CS2: What It Is and How to Get the Most Expensive Skin, it will expand your knowledge about this type of skins. So in the Counter-Strike 2 community, Blue Gem Knives have gained significant popularity and are considered some of the best skins.

List of Knifes Blue Gem Patterns

As mentioned in the previous paragraph, every Case Hardened knife skin has a pattern. It is identified by a number ranging from 0 to 999. This number indicates the variation of the patterns and floats, which determines whether it is a Blue Gem. Here is a list of the best seeds/patterns for the top knives in the game:

• Bayonet - #179, #321, #442, #592
• Shadow Daggers - #14, #56, #80, #150,
• Falchion Knife - #488, #494, #838, #638
• Navaja Knife - #182, #371, #398, #407
• Gut Knife - #165, #220, #421, #567
• Stiletto Knife - #182, #371, #398, #478
• Butterfly Knife - #182, #194, #330, #652
• Karambit - #4 #25 #57 #387

If you have skins with such a pattern in your inventory, congratulations, they are very expensive.

The Most Expensive Blue Gem Knives in CS2

Prices for knives from this list range from a few thousand dollars for less popular knives to a million for the best ones. Due to their rarity, the top Blue Gem patterns for knives can enrich their owners and are considered one of the best investments you can make in the game. So, let's go over each Case Hardened knife in CS2, where we will review their best Blue Gem skins.

Shadow Daggers

Shadow Daggers are among the most unique knives in the game. They stand out due to their shape and design, and every time they appear in the game, they draw a lot of attention. The gaming community considers pattern #56 and #505 to be the two best Blue Gem patterns for this knife. It is worth noting that the method by which patterns are applied to the Shadow Daggers is unique, as one dagger will have a blue color while the pattern on the other dagger is random. Prices for this knife start at $150, but a high-quality pattern can reach up to $1,000.

Falchion Knife

The Falchion Knife is another intriguing knife on the list. At first glance, it looks like a regular knife, but it has an interesting handle shape and rare animations. This knife is still a relatively affordable Blue Gem pattern option that you can get in the game. The best patterns for it are #494, #838, and #638. Prices for a Falchion Knife Case Hardened with a high-quality pattern start at $250 and can go significantly higher.

Navaja Knife

Continuing our list is the Navaja Knife, which, while not one of the most expensive, is still beautiful and interesting. The Navaja is one of the newer additions to the game and is usually considered at the bottom of the knife hierarchy in CS2, although some still prefer it for its accessibility when it comes to good pattern quality. The most noteworthy Blue Gem patterns for this knife are #398, #407, and #838. There are also various other Blue Gem Navaja Knife patterns, but they are slightly lower in quality than these. Prices for this knife start at $200 and can go up to $1,000.

Gut Knife

Next on the list is the renowned Gut Knife, one of the most common knives in the game. The Blue Gem Gut Knife has an interesting structure and pattern design. The most sought-after patterns are #567 and #962, with prices starting at $400 and potentially reaching several thousand dollars. However, you can also consider other Gut Knife Blue Gem patterns that are available at a much lower price.

Stiletto Knife

Moving on to truly expensive skins, the Stiletto Case Hardened Blue Gem ranks among the top tier of the knife hierarchy due to its widespread use by players in the professional scene. It is modeled after the real-world stiletto knife, which often appears in popular gangster-themed movies about the Italian mafia. For the Stiletto, there are only three Tier 1 Blue Gem patterns, and starting from the best seeds, they are #182, #713, and #494. In terms of price, one of the Blue Gem patterns was sold for more than $40,000, making it one of the most expensive knives.

Bayonet

The Bayonet is one of the earliest knives introduced in the game and has always remained a top-tier knife. It is favored by CS2 fans for its design, as it looks like a genuine combat knife. The Bayonet Blue Gem features a slender, long blade and a handle very similar to its larger counterpart, the M9 Bayonet, with which it shares many similarities. The best patterns for this knife are #555 and #592. As for the price of a Bayonet Blue Gem, skins with the best patterns have sold for tens of thousands of dollars.

Butterfly Knife

The Butterfly is one of the most legendary knives in CS2. It enjoys this status among the community, and even its worst version costs more than the highest-quality versions of most other knives. For example, the starting price for a Case Hardened version of this skin is around $1,500. Although its Blue Gems don't look as impressive compared to some other knives, top seeds like #182 and #652 can easily be valued at around $20,000, with the best examples sold for $70,000.

Karambit

Finally, we come to the most expensive skin on this list and in CS2 overall: the Karambit Blue Gem. This skin surpasses all others by a significant margin. If you ever manage to get a Tier 1 Blue Gem pattern for the Karambit, you are either one of the luckiest people on the planet, extremely wealthy, or perhaps both, as unboxing one of them could be worth a fortune. The best pattern is #387, which is valued at $1.5 million, making it the most expensive skin in Counter-Strike history.

The first mention of this skin dates back to 2016, when a seller asked for $100,000, and a buyer was found at that price. The current owner is a Chinese collector of CS2 & CS

skins known by the nickname 青い王, and when offered €1,200,000 in Bitcoin for the knife, the collector responded that it was too low for such an in-game item. It’s worth noting that the chance of getting such a skin from a case is about 1 in 371,000,000, hence the incredible value of the item.

What Cases have Blue Gem Knifes in CS2

As you know, knives in CS2 can drop from any case, but not all cases contain Case Hardened knife skins. Here is a list of CS2 cases where you have a chance to get Blue Gem Knives:

• CS:GO Weapon Case - Karambit
• Operation Bravo Case - Bayonet
• CS:GO Weapon Case 2 - Gut Knife
• eSports 2014 Summer Case - Flip Knife
• Revolver Case - M9 Bayonet
• Shadow Case - Shadow Daggers
• Horizon Case - Navaja Knife
• Operation Breakout Weapon Case - Butterfly Knife

Conclusion

Gathering all the facts, it can be confirmed that Blue Gem patterns are the rarest and most sought-after skins in CS2, and they also carry a high price tag. Each pattern is unique and has its own design, making the hunt for the perfect Blue Gem both challenging and thrilling for players and collectors. These rare skins are not only a status symbol but also a potential investment, with some being sold for hundreds of thousands or even millions of dollars. As a result, Blue Gems have become a legendary part of the Counter-Strike community, symbolizing both luck and prestige. If you're a fan of Counter-Strike 2 and esports, we recommend checking out our other articles, such as The most Expensive CS Cases and The most expensive CS2 & CS:GO knives skins.