{"id":872,"date":"2026-08-21T17:00:00","date_gmt":"2026-08-21T17:00:00","guid":{"rendered":"https:\/\/skin.place\/blog\/?p=872"},"modified":"2026-08-25T09:27:09","modified_gmt":"2026-08-25T09:27:09","slug":"m9-bayonet-case-hardened-blue-gem-patterns","status":"publish","type":"post","link":"https:\/\/skin.place\/blog\/m9-bayonet-case-hardened-blue-gem-patterns\/","title":{"rendered":"M9 Bayonet Case Hardened Blue Gem Patterns"},"content":{"rendered":"\n

The M9 Bayonet is hands-down one of the most iconic knives in Counter-Strike 2, as it\u2019s been around since skins were first released in the game. Though there are a handful of M9 Bayonet skins out there, one of them definitely stands out: the Case Hardened. <\/p>\n\n\n\n

The M9 Bayonet Case Hardened is unique in the sense that it has 1,000 different patterns that alter its appearance, and the rarest among them are called Blue Gems. Since only so few of these patterns end up as Blue Gems, these bad boys can easily fetch for extremely high prices. <\/p>\n\n\n\n

In this M9 Bayonet Blue Gem guide, we\u2019ll tell you everything you need to know, from what it is and the patterns to keep an eye on. <\/p>\n\n\n\n

<\/span>What Is the M9 Bayonet Case Hardened?<\/span><\/h2>\n\n\n\n

The M9 Bayonet Case Hardened is a Counter-Strike 2 knife skin released all the way back in August 2013. You can find it in eleven different original Counter-Strike cases, so there are a lot of case options if you\u2019re trying to go for it.<\/p>\n\n\n\n

Like every other Case Hardened knife skin, the Case Hardened M9 Bayonet is primarily made up of three colors, which include blue, gold, and purple. However, the Case Hardened was the first notable pattern-based skin, which means the knife can look different from each other based on pattern indexes.<\/p>\n\n\n\n

The M9 Case Hardened has 1,000 different patterns that can change how it looks. These patterns play a major role in the knife\u2019s appearance and desirability, so it\u2019s very important to know how it works and what the best patterns are before you buy one. We\u2019re going to explain this in detail throughout this M9 Bayonet Case Hardened guide, so keep reading. <\/p>\n\n\n\n

<\/span>What Is an M9 Bayonet Blue Gem?<\/span><\/h2>\n\n\n\n

As we mentioned earlier, there are 1,000 possible M9 Bayonet Case Hardened patterns. Now, what you need to know is that some of these patterns become much rarer than others.<\/p>\n\n\n\n

Normally, the M9 Bayonet Case Hardened features the three aforementioned colors. However, some patterns make the knife display an abnormal amount of blue colors \u2013 we call these\u00a0CS2 (CS:GO) Blue Gem patterns<\/a>.\u00a0<\/p>\n\n\n\n

To identify a Blue Gem M9 Bayonet, you\u2019re mainly looking at the knife\u2019s playside \u2013 if it\u2019s mostly covered in blue colors, then that\u2019s likely a Blue Gem pattern. However, not every blue-looking Case Hardened is considered a Blue Gem \u2013 the blue placements also matter a lot. <\/p>\n\n\n\n

Of course, not all M9 Case Hardened knives end up as a Blue Gem \u2013 that\u2019s why it\u2019s called a rare pattern, after all. Only a very small percentage of the 1,000 possible patterns qualify as a Blue Gem, so you should always keep an eye on these patterns. <\/p>\n\n\n\n

Why Are M9 Bayonet Blue Gems So Rare?<\/h3>\n\n\n\n

Before you think of unboxing a M9 Bayonet Blue Gem, you\u2019ll have to unbox a knife first \u2013 we all know the chances of these are pretty low. <\/p>\n\n\n\n

And once you unbox a Case Hardened M9 Bayonet, getting a Blue Gem is also difficult because there are only around 150 out of 1,000 patterns that qualify as one. So, you essentially have a 15% chance that your M9 Bayonet ends up as a Blue Gem, further decreasing the odds. <\/p>\n\n\n\n

It\u2019s also worth noting that the M9 Bayonet has one of the largest blades among Counter-Strike knives, meaning there\u2019s a lot of surface area to cover. As a result, it\u2019s actually much harder to get a\u00a0Blue Gem M9 Bayonet\u00a0with a very high blue percentage compared to other\u00a0CS2 (CS:GO) knife types<\/a>.\u00a0<\/p>\n\n\n\n

<\/span>How Case Hardened M9 Bayonet Pattern Seeds Work<\/span><\/h2>\n\n\n\n

So, we know that patterns exist, and that some are better than others. But, how do these patterns actually work? Let\u2019s break it down.<\/p>\n\n\n\n

Every Counter-Strike skin is assigned to a random pattern seed, which is a number between 0 and 999. This number is randomly generated, and it is locked to your skin forever \u2013 it cannot be changed.<\/p>\n\n\n\n

The Case Hardened skin family has a huge canvas, where all of its textures are painted \u2013 so, there are blue, gold, and purple colors all around. Now, imagine this: every pattern seed is just the game placing the M9 Bayonet knife on random locations on that canvas.<\/p>\n\n\n\n

Since the knife is being placed on different spots, you\u2019ll notice that M9 Bayonet Case Hardened patterns do not look identical. In rare cases, the M9 Bayonet is placed on top of a blue-populated area \u2013 this is how a Blue Gem comes into fruition. Keep in mind that we\u2019re mainly looking at the playside, not the backside.<\/p>\n\n\n\n

So, a Case Hardened M9 Bayonet with a pattern index of #601 will look different from one with a pattern index of #602. However, a pattern #601 will always look exactly the same to another #601. <\/p>\n\n\n\n

It\u2019s also worth noting that pattern seeds only determine appearance, while float values are another thing that only affects wear. Keep that in mind when you want to\u00a0buy (CS2) CS:GO skins<\/a>.\u00a0<\/p>\n\n\n\n

<\/span>All M9 Bayonet Case Hardened Blue Gem Patterns: Ranked<\/span><\/h2>\n\n\n\n

If the concept of the M9 Blue Gem is clear to you now, let\u2019s actually look at the Blue Gem patterns. <\/p>\n\n\n\n

There are 148 M9 Case Hardened pattern seeds that are considered as Blue Gems. These patterns are grouped into a tiering system, with Tier 1 patterns being the best, while Tier 4 ones are mediocre. <\/p>\n\n\n\n

Blue Gem Tier<\/td>Pattern Seeds<\/td><\/tr>
Tier 1 Blue Gem<\/td>58, 150, 239, 349, 403, 406, 417, 503, 523, 585, 601, 634, 675, 897<\/td><\/tr>
Tier 2 Blue Gem<\/td>21, 91, 107, 117, 166, 167, 202, 224, 253, 269, 281, 288, 336, 346, 354, 355, 366, 430, 449, 517, 550, 613, 628, 715, 793, 813, 867, 880, 946<\/td><\/tr>
Tier 3 Blue Gem<\/td>4, 41, 59, 88, 108, 124, 141, 157, 173, 204, 210, 227, 229, 243, 249, 286, 293, 295, 298, 319, 345, 356, 372, 393, 476, 490, 525, 529, 533, 546, 553, 598, 610, 790, 821, 837, 859, 866, 887, 908, 910, 915, 933, 959<\/td><\/tr>
Tier 4 Blue Gem<\/td>2, 63, 64, 97, 103, 113, 136, 138, 156, 162, 176, 177, 179, 209, 246, 251, 292, 308, 351, 353, 369, 401, 413, 445, 473, 475, 496, 506, 507, 516, 518, 524, 526, 556, 564, 573, 619, 632, 651, 674, 681, 698, 706, 735, 759, 764, 779, 783, 794, 808, 811, 835, 869, 871, 902, 904, 916, 941, 963, 968, 989<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/span>Best M9 Bayonet Blue Gem Patterns<\/span><\/h2>\n\n\n\n

The table we provided above includes all M9 Bayonet Blue Gem patterns in the game, but not all of them are made equal. Let\u2019s go over the best M9 Bayonet Blue Gem patterns for each tier, so you have an idea of which ones to go for.<\/p>\n\n\n\n

#601 Pattern \u2014 Tier 1<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

The absolute best M9 Bayonet Blue Gem pattern is easily number #601. This pattern\u2019s playside is approximately 86.2% blue, which is the highest you can get. This makes pattern #601 the number one pattern.<\/p>\n\n\n\n

With this pattern, the M9 Bayonet\u2019s blade is almost completely blue \u2013 there are no golden spots on the top half of the blade, and you\u2019ll only see small touches of gold at the very bottom. <\/p>\n\n\n\n

The backside is roughly 39.56% blue, which isn\u2019t the highest, but collectors don\u2019t value the backside much, so that\u2019s completely fine. <\/p>\n\n\n\n

Since it\u2019s the best possible M9 Bayonet Case Hardened you can get, it\u2019s not surprising that it\u2019s also one of the\u00a0most expensive CS2 (CS:GO) knives<\/a>\u00a0in the entire game.\u00a0<\/p>\n\n\n\n

#417 Pattern \u2014 Tier 1\u00a0<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

The next M9 Bayonet Blue Gem pattern we\u2019ll cover is pattern #417, which is right behind pattern #601 in terms of prestige.<\/p>\n\n\n\n

This Blue Gem pattern is 81.69% blue on its playside, but is inferior to pattern #601 because of its color placements. Here, you\u2019ll see a visible golden spot near the tip of the blade, which can be a turnoff for collectors who are looking for the best of the best.<\/p>\n\n\n\n

However, apart from that, almost everything else on the M9 Bayonet Blue Gem pattern #417 is completely blue. This pattern also has a strong backside that\u2019s 56.85% blue, giving it some extra points. <\/p>\n\n\n\n

Even though they are both Tier 1 patterns, the price difference between pattern #417 and #601 is still pretty huge, with the latter being more expensive. <\/p>\n\n\n\n

#166 Pattern \u2014 Tier 2\u00a0<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

Moving down the tier ranking, we have pattern #166, which is considered one of the better Tier 2 patterns.<\/p>\n\n\n\n

Pattern #166 has a blue playside percentage of 49.54%, but the best part about it is where the blue lies. Almost the entire top half of the M9 blade is covered in gorgeous blue colors, and there\u2019s a golden tip which some collectors like. <\/p>\n\n\n\n

However, the backside doesn\u2019t feature too much blue, and is mostly golden. <\/p>\n\n\n\n

#288 Pattern \u2014 Tier 2<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

Another solid Tier 2 M9 Bayonet Blue Gem option is pattern #288, which is 49% blue on its playside. <\/p>\n\n\n\n

Though the blade is only half blue, you can bet the blue is going to the right place. Pattern #288 features a full blue top half, including the tip. Then, the bottom half is completely golden. It really looks like a clean fifty-fifty split \u2013 just like yin and yang. <\/p>\n\n\n\n

The backside of pattern #288 is also pretty solid, with a completely blue tip. This is definitely one of the best Tier 2 M9 Bayonet Case Hardened patterns available.<\/p>\n\n\n\n

#243 Pattern \u2014 Tier 3\u00a0<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

If you\u2019re looking for a more budget-friendly alternative, Tier 3 M9 Blue Gems could be a good fit. We recommend pattern #243, which actually has a slightly higher blue percentage than the previous Tier 2 Blue Gems we mentioned earlier at 50.69%.<\/p>\n\n\n\n

The blue placement on pattern #243 is exceptional \u2013 the top half of the blade is almost entirely blue except for two golden dots, which is extremely good for a Tier 3 ranking. <\/p>\n\n\n\n

The backside also has a high blue percentage at 44.83% and also has a very nice blue tip. <\/p>\n\n\n\n

#88 Pattern \u2014 Tier 3<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

Another Tier 3 recommendation is the M9 Bayonet Case Hardened pattern #88. This one\u2019s playside is 51.02% blue, which is a pretty solid number for a Tier 3.<\/p>\n\n\n\n

Pattern #88 has a completely blue tip, which is something collectors always look for. However, there is a noticeable gold section that separates the tip from the rest of the blue, which doesn\u2019t look too appealing to most people. <\/p>\n\n\n\n

The good news is that pattern #88 has a strong backside, which is 59.21% blue. The bottom half of the backside is completely blue. <\/p>\n\n\n\n

#209 Pattern \u2014 Tier 4\u00a0<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

If you\u2019re just starting out with collecting Blue Gems, a Tier 4 M9 Bayonet Blue Gem could be a good starting point. If that\u2019s what you\u2019re looking for, keep an eye on pattern #209. <\/p>\n\n\n\n

Pattern #209 has a very low blue playside percentage at only 34.99%, but all of the blue is at the top of the knife, giving it a very clean blue tip.<\/p>\n\n\n\n

However, the main selling point of pattern #209 is its backside, which is 69.35% blue. If you want a Blue Gem M9 Bayonet with a decent playside and a strong backside, pattern #209 is a great choice. <\/p>\n\n\n\n

#759 Pattern \u2014 Tier 4<\/h3>\n\n\n
\n
\"M9<\/figure><\/div>\n\n\n

Finally, we\u2019ll recommend pattern #759, which is also a Tier 4 Blue Gem. This pattern is 44.01% blue, which is really good for a Tier 4 Blue Gem.<\/p>\n\n\n\n

On its playside, pattern #759 has a really nice blue tip, but the rest of the blue isn\u2019t really going to the right places. The backside is really decent though, as it’s 66.58% blue with a blue tip, too. <\/p>\n\n\n\n

<\/span>M9 Bayonet Knife Case Hardened Float and Wear Values<\/span><\/h2>\n\n\n\n

Apart from patterns, float values are another important consideration when looking for skins, and that still applies to the Case Hardened M9 Bayonet. <\/p>\n\n\n\n

Unlike most other CS2 skins, the Case Hardened skin doesn\u2019t really show any wear or tears as you go up in float. The main difference is that it\u2019ll start losing its shine and look more rusted.<\/p>\n\n\n\n

Of course, getting a M9 Bayonet Blue Gem in Factory New condition is the primary goal for all collectors, since that\u2019s how it\u2019ll look best. Minimal Wear remains a solid option, too. <\/p>\n\n\n\n

However, things get dicey once you step into Field-Tested, Well-Worn, or Battle-Scarred, as your skin will look noticeably darker. <\/p>\n\n\n\n

Though float values are worth taking a look at, you should remember that it will never change the pattern index. In the context of Blue Gem M9 Bayonets, patterns are definitely a higher priority than float. <\/p>\n\n\n\n

<\/span>How to Check an M9 Bayonet Blue Gem Pattern<\/span><\/h2>\n\n\n\n

We\u2019ve spent the entire M9 Bayonet Blue Gem guide talking about how important patterns are, so you should also know how to check pattern seeds yourself.<\/p>\n\n\n\n

The good news is that checking your M9 Case Hardened pattern seed is incredibly easy, and can even be done through the CS2 client. Here\u2019s how:<\/p>\n\n\n\n

    \n
  1. Inspect the knife in Counter-Strike 2.<\/li>\n\n\n\n
  2. On the inspect screen, look for the \u201ci\u201d icon at the bottom. Then, hover your mouse over it.<\/li>\n\n\n\n
  3. You\u2019ll see additional information, then look for \u201cPattern Index.\u201d<\/li>\n\n\n\n
  4. Here, you should see a number between 0 to 999. This is the knife\u2019s pattern index.<\/li>\n<\/ol>\n\n\n\n

    You can also manually take a look at the Case Hardened M9 Bayonet skin and tell if it\u2019s a Blue Gem \u2013 just make sure you\u2019re looking at the playside. <\/p>\n\n\n\n

    After you\u2019ve identified the pattern, you can use those digits and compare them with the table we\u2019ve provided above. If the pattern is a Blue Gem seed, then you\u2019ll know exactly what you\u2019re working with. <\/p>\n\n\n\n

    <\/span>How to Get an M9 Bayonet Case Hardened<\/span><\/h2>\n\n\n\n

    So, if you\u2019ve read through this M9 Bayonet Blue Gem guide and want one for yourself, the next course of action is to buy one. <\/p>\n\n\n\n

    For rare patterns like Blue Gems, we highly recommend using third-party marketplace websites instead of the Steam Market. These platforms have built-in tools that let you verify the pattern seed and see what the knife looks like.<\/p>\n\n\n\n

    When you\u2019re planning to buy a M9 Blue Gem from one of these websites, make sure you\u2019re using a trusted one like Skin.Place. Using reputable sites will ensure you don\u2019t get scammed in any way. <\/p>\n\n\n\n

    You should always do your due diligence and verify the pattern seeds and float values, and also compare prices before making your purchase. Some malicious traders may also post fake Blue Gem listings when they\u00a0sell CS2 (CS:GO) skins<\/a>, so you should also watch out for that. You can always inspect the knife in-game so you know exactly what you\u2019re working with.\u00a0<\/p>\n\n\n\n

    <\/span>Is an M9 Bayonet Blue Gem a Good Investment?<\/span><\/h2>\n\n\n\n

    Yes, the Blue Gem M9 Bayonet can be a good investment, but it really depends on what you\u2019re looking for.<\/p>\n\n\n\n

    For starters, the Case Hardened M9 Bayonet comes from old Counter-Strike cases which have skyrocketed in value, making them naturally expensive. This also means M9 Bayonet Blue Gems have become more scarce and will continue increasing in value. So, the M9 Bayonet Blue Gem can be a very solid long-term investment. <\/p>\n\n\n\n

    However, these Blue Gems, especially if you\u2019re looking for a Tier 1 or Tier 2 variant, can be very expensive. And, selling them can be tricky \u2013 it can take some time before you settle on a buyer.<\/p>\n\n\n\n

    <\/span>Conclusion <\/span><\/h2>\n\n\n\n

    So, this M9 Bayonet Blue Gem guide tells you that the Case Hardened M9 Bayonet can get pretty expensive if it has one of the 148 rare Blue Gem patterns. Tier 1 patterns are objectively the best, with #601 being accepted as the number one pattern. <\/p>\n\n\n\n

    If you\u2019re looking to purchase a M9 Bayonet Blue Gem for yourself, make sure you\u2019re transacting on trusted CS2 trading sites to avoid getting scammed. Always check the pattern seed, inspect it in-game, and compare it to the table we\u2019ve provided above.<\/p>\n\n\n\n

    And finally, remember that understanding pattern tiers, float values, and pricing will always help you make more informed purchases. <\/p>\n","protected":false},"excerpt":{"rendered":"

    The M9 Bayonet is hands-down one of the most iconic knives in Counter-Strike 2, as it\u2019s been around since skins were first released in the game. Though there are a handful of M9 Bayonet skins out there, one of them definitely stands out: the Case Hardened.  The M9 Bayonet Case Hardened is unique in the […]<\/p>\n","protected":false},"author":3,"featured_media":883,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nM9 Bayonet Blue Gem Guide: Patterns, Seeds & Prices<\/title>\n<meta name=\"description\" content=\"Explore the M9 Bayonet Case Hardened Blue Gem guide, covering the best Blue Gem patterns, float values & prices to help you find the rarest M9 Bayonet skins.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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