{"id":3911,"date":"2026-03-05T12:44:10","date_gmt":"2026-03-05T11:44:10","guid":{"rendered":"https:\/\/sellyourskins.com\/blog\/?p=3911"},"modified":"2026-03-12T13:52:17","modified_gmt":"2026-03-12T12:52:17","slug":"five-seven-case-hardened-blue-gem-patterns-and-seeds","status":"publish","type":"post","link":"https:\/\/sellyourskins.com\/blog\/five-seven-case-hardened-blue-gem-patterns-and-seeds\/","title":{"rendered":"Five-SeveN Case Hardened \u2013 Blue Gem Patterns and Seeds"},"content":{"rendered":"\n

Five-SeveN Case Hardened<\/a> is one of the most well known pistol skins in CS2. Like other skins with the Case Hardened finish, its appearance depends on the pattern seed<\/strong>, a number from 1 to 1000<\/strong> that determines how the texture is applied to the weapon.<\/p>\n\n\n\n

Most patterns contain a mix of gold, purple, and blue colors. However, a small number of seeds generate patterns with a large amount of blue. In the CS2 community, these variants are known as Blue Gems<\/strong>.<\/p>\n\n\n\n

The visual differences between seeds can be huge. A regular Five-SeveN Case Hardened may cost only a dozen dollars, while the best Blue Gem patterns can be worth hundreds or even over a thousand dollars, depending on the skin\u2019s condition.<\/p>\n\n\n\n

What Is a Blue Gem?<\/h2>\n\n\n\n

Every Five-SeveN Case Hardened uses the same texture, but its placement changes depending on the seed.<\/p>\n\n\n\n

Key facts:<\/p>\n\n\n\n

    \n
  • seeds range from 1 to 1000<\/strong><\/li>\n\n\n\n
  • only a small number generate patterns with a dominant blue color<\/li>\n\n\n\n
  • for Five-SeveN, the upper part of the pistol<\/strong> and the slide<\/strong> are the most important areas<\/li>\n\n\n\n
  • the more clean blue color visible, the higher the collector value<\/li>\n<\/ul>\n\n\n\n

    Blue Gem Seed Ranking<\/h2>\n\n\n\n

    The trading community usually divides patterns into several quality tiers.<\/p>\n\n\n\n

      \n
    • Tier 1 (T1)<\/strong> \u2013 the best patterns with very large blue coverage. These are the rarest and most valuable Blue Gems.<\/li>\n\n\n\n
    • Tier 2 (T2)<\/strong> \u2013 patterns with a large amount of blue but also visible gold or purple areas.<\/li>\n\n\n\n
    • Tier 3 (T3)<\/strong> \u2013 seeds with smaller blue sections that still look attractive but are not considered top-tier Blue Gems.<\/li>\n<\/ul>\n\n\n\n

      Out of the 1000 possible seeds<\/strong>, only a small number qualify as Blue Gems, and only a few of them reach Tier 1 status.<\/strong><\/p>\n\n\n\n

      Key Seeds of the Five-SeveN Case Hardened<\/h2>\n\n\n\n

      Based on market data and pattern analysis, several seeds stand out for having extremely high blue coverage.<\/p>\n\n\n\n

      Tier 1 \u2013 Best Blue Gem Seeds<\/h3>\n\n\n\n

      #690<\/strong>
      Blue color: 97.6%<\/p>\n\n\n\n

      #278<\/strong>
      Blue color: 97.5%<\/p>\n\n\n\n

      #648<\/strong>
      Blue color: 94.2%<\/p>\n\n\n\n

      #872<\/strong>
      Blue color: 94.2%<\/p>\n\n\n\n

      #363<\/strong>
      Blue color: 90.9%<\/p>\n\n\n\n

      #689<\/strong>
      Blue color: 90.1%<\/p>\n\n\n\n

      #532<\/strong>
      Blue color: 89.0%<\/p>\n\n\n\n

      #189<\/strong>
      Blue color: 85.0%<\/p>\n\n\n\n

      Tier 2 \u2013 Very Good Blue Gems<\/h3>\n\n\n\n

      #868<\/strong>
      Blue color: 93.6%<\/p>\n\n\n\n

      #631<\/strong>
      Blue color: 89.9%<\/p>\n\n\n\n

      #670<\/strong>
      Blue color: 89.0%<\/p>\n\n\n\n

      #151<\/strong>
      Blue color: 87.9%<\/p>\n\n\n\n

      #25<\/strong>
      Blue color: 87.3%<\/p>\n\n\n\n

      #724<\/strong>
      Blue color: 87.1%<\/p>\n\n\n\n

      #215<\/strong>
      Blue color: 85.3%<\/p>\n\n\n\n

      #321<\/strong>
      Blue color: 82.9%<\/p>\n\n\n\n

      #177<\/strong>
      Blue color: 82.8%<\/p>\n\n\n\n

      #888<\/strong>
      Blue color: 81.2%<\/p>\n\n\n\n

      #700<\/strong>
      Blue color: 79.7%<\/p>\n\n\n\n

      #875<\/strong>
      Blue color: 79.6%<\/p>\n\n\n\n

      #879<\/strong>
      Blue color: 78.8%<\/p>\n\n\n\n

      Tier 3 \u2013 Weaker Blue Gems (Examples)<\/h3>\n\n\n\n

      #28<\/strong>
      Blue color: 72.2%<\/p>\n\n\n\n

      #13<\/strong>
      Blue color: 68.7%<\/p>\n\n\n\n

      #103<\/strong>
      Blue color: 68.3%<\/p>\n\n\n\n

      #101<\/strong>
      Blue color: 65.4%<\/p>\n\n\n\n

      The percentage of blue color across the entire weapon is only one indicator of Blue Gem quality. Equally important is the distribution of blue color on the front and back sections of the weapon.<\/strong><\/p>\n\n\n\n

      Table of the Most Important Seeds<\/h2>\n\n\n\n
      Tier<\/strong><\/td>Seed<\/strong><\/td>Blue color<\/strong><\/td><\/tr>
      T1<\/strong><\/td>#690<\/td>97.6%<\/td><\/tr>
      T1<\/strong><\/td>#278<\/td>97.5%<\/td><\/tr>
      T1<\/strong><\/td>#648<\/td>94.2%<\/td><\/tr>
      T1<\/strong><\/td>#872<\/td>94.2%<\/td><\/tr>
      T1<\/strong><\/td>#363<\/td>90.9%<\/td><\/tr>
      T1<\/strong><\/td>#689<\/td>90.1%<\/td><\/tr>
      T1<\/strong><\/td>#532<\/td>89.0%<\/td><\/tr>
      T1<\/strong><\/td>#189<\/td>85.0%<\/td><\/tr>
      T2<\/strong><\/td>#868<\/td>93.6%<\/td><\/tr>
      T2<\/strong><\/td>#631<\/td>89.9%<\/td><\/tr>
      T2<\/strong><\/td>#670<\/td>89.0%<\/td><\/tr>
      T2<\/strong><\/td>#151<\/td>87.9%<\/td><\/tr>
      T2<\/strong><\/td>#25<\/td>87.3%<\/td><\/tr>
      T2<\/strong><\/td>#724<\/td>87.1%<\/td><\/tr>
      T2<\/strong><\/td>#215<\/td>85.3%<\/td><\/tr>
      T2<\/strong><\/td>#321<\/td>82.9%<\/td><\/tr>
      T2<\/strong><\/td>#177<\/td>82.8%<\/td><\/tr>
      T2<\/strong><\/td>#888<\/td>81.2%<\/td><\/tr>
      T2<\/strong><\/td>#700<\/td>79.7%<\/td><\/tr>
      T2<\/strong><\/td>#875<\/td>79.6%<\/td><\/tr>
      T2<\/strong><\/td>#879<\/td>78.8%<\/td><\/tr>
      T3<\/strong><\/td>#28<\/td>72.2%<\/td><\/tr>
      T3<\/strong><\/td>#13<\/td>68.7%<\/td><\/tr>
      T3<\/strong><\/td>#103<\/td>68.3%<\/td><\/tr>
      T3<\/strong><\/td>#101<\/td>65.4%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Blue Gem Statistics<\/h2>\n\n\n\n
        \n
      • out of 1000 seeds<\/strong>, only a small portion are considered Blue Gems<\/li>\n\n\n\n
      • less than 10%<\/strong> of patterns<\/strong> have strong blue coverage<\/li>\n\n\n\n
      • only a few seeds reach Tier 1 <\/strong>status<\/li>\n\n\n\n
      • the price of the skin depends mainly on the pattern<\/strong>, not just the float<\/li>\n<\/ul>\n\n\n\n

        For Case Hardened skins, the pattern seed often matters more than the wear condition<\/strong>, which is why even a Field-Tested Blue Gem can be several times more expensive than a Factory New regular Case Hardened.<\/p>\n","protected":false},"excerpt":{"rendered":"Five-SeveN Case Hardened is one of the most well known pistol skins in CS2. Like other skins with…","protected":false},"author":3,"featured_media":3962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","footnotes":""},"categories":[143],"tags":[],"class_list":{"0":"post-3911","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-skin-tutorial","8":"cs-entry"},"yoast_head":"\nFive-SeveN Case Hardened \u2013 Blue Gem Patterns and Seeds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sellyourskins.com\/blog\/five-seven-case-hardened-blue-gem-patterns-and-seeds\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Five-SeveN Case Hardened \u2013 Blue Gem Patterns and Seeds\" \/>\n<meta property=\"og:description\" content=\"Five-SeveN Case Hardened is one of the most well known pistol skins in CS2. 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He specializes in writing about skin market trends, trading strategies, and in-depth looks at rare or valuable items in CS2. Gareth enjoys breaking down complex topics into clear, practical insights that help players make better trading decisions. Outside of gaming, he is a fan of strategy board games, photography, and spending weekends exploring new places.","url":"https:\/\/sellyourskins.com\/blog\/author\/gareth-nolan\/"}]}},"_links":{"self":[{"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/posts\/3911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/comments?post=3911"}],"version-history":[{"count":2,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/posts\/3911\/revisions"}],"predecessor-version":[{"id":3986,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/posts\/3911\/revisions\/3986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/media\/3962"}],"wp:attachment":[{"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/media?parent=3911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/categories?post=3911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sellyourskins.com\/blog\/wp-json\/wp\/v2\/tags?post=3911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}