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Case Hardened — Blue Gem

★ Bowie Knife | Case Hardened · Blue Gem Pattern Tier Guide

146 patterns classified across 4 tiers. Each tier section below pairs a rendered example with the full seed list — click any seed to search live listings across our tracked marketplaces.

5 min read146 patterns documentedUpdated this weekby yesriskk (founder cs2search)

About Blue Gem patterns

Bowie Knife Case Hardened spreads the marbled steel finish across a broad, heavy blade with lots of room for blue to pool. The seed decides how much reaches the play side; the bluest rolls are the Blue Gems.

The guide names seed #182 as the #1 Bowie Blue Gem, with #398 the notable runner-up — the two Tier-1 seeds where blue covers the wide Bowie blade most completely.

01T1Tier 1 — Best patterns

No example yet
A render will appear when a listing becomes available.
What makes a T1

The best patterns in this skin. Tightest symmetry, deepest coverage, and the visual hallmarks that separate top-shelf examples from everything else.

Search all T1 patterns on the marketplaces
All T1 patterns (2)
T1182T1398

02T2Tier 2

What makes a T2

Very strong patterns — close to T1 quality but with one or two visual compromises (off-axis tip, slightly less coverage, or a less symmetric back).

Search all T2 patterns on the marketplaces
Featured: pattern #768 — click image to zoom · toggle Front/Back
All T2 patterns (16)
T229T243T2208T2214T2358T2371T2396T2534T2638T2652T2714T2768T2838T2913T2928T2944

03T3Tier 3

What makes a T3

Above-average patterns. Recognisable as "good" but with a clear weakness compared to T1/T2 — useful for buyers who want a hint of pattern premium without paying T1 prices.

Search all T3 patterns on the marketplaces
Featured: pattern #628 — click image to zoom · toggle Front/Back
All T3 patterns (46)
T374T3110T3147T3256T3263T3282T3283T3330T3335T3399T3407T3414T3457T3466T3474T3478T3494T3499T3515T3598T3612T3628T3629T3642T3713T3720T3749T3753T3767T3782T3839T3846T3858T3868T3872T3880T3885T3891T3902T3917T3919T3924T3964T3965T3987T3989

04T4Tier 4

No example yet
A render will appear when a listing becomes available.
What makes a T4

The lower end of curated patterns. Still better than a random unranked roll, but the visual differentiator is subtle.

Search all T4 patterns on the marketplaces
All T4 patterns (81)
T410T418T427T430T438T461T467T472T473T492T4108T4136T4139T4144T4153T4191T4194T4242T4265T4269T4273T4309T4314T4321T4322T4332T4341T4347T4377T4378T4401T4411T4420T4422T4424T4445T4453T4460T4464T4507T4510T4513T4522T4528T4547T4604T4618T4630T4632T4635T4655T4658T4664T4672T4687T4694T4699T4705T4717T4721T4773T4776T4788T4797T4798T4801T4808T4809T4811T4841T4853T4877T4881T4889T4898T4916T4942T4945T4958T4975T4986
Everything else — Unranked

The remaining ~855 paint_seeds fall outside the curated tiers. They make up the bulk of Phase 1 supply on every marketplace and don’t carry a pattern premium — what you see is what you get, like the baseline reference (seed #968) we used at the top of this guide. If a seed isn’t listed in T1–T4 or BTA above, treat it as Unranked.

Credits & sources

Pattern tier classification originally compiled by korenevskiy & Krieke (Steam Community Guide).

Pattern renders are independently generated from live marketplace listings.

This page combines public-domain pattern data with our own renders, live pricing, and cross-marketplace listing search.