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Case Hardened — Blue Gem

★ Hydra Gloves | Case Hardened · Blue Gem Pattern Tier Guide

185 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.

7 min read185 patterns documentedUpdated this weekby yesriskk (founder cs2search)

00Why patterns matter

Every ★ Hydra Gloves | Case Hardened · Blue Gem has the same paint_index — but the pattern seed (0–999) controls exactly how the dye lands on the blade. Two listings can have the same wear and float but look dramatically different.

The cards below compare a typical Unranked roll (seed #261) against the Tier-1 hero we picked (seed #310). Same skin, same phase, same wear band — pattern is the only difference.

Unranked Pattern#261

unranked
no pattern premium · the bulk of Case Hardened supply

Tier 1 Pattern example#310

premium
top-tier pattern — community-flagged
Why this mattersBoth knives share identical Steam metadata — Steam treats them as the same item. But buyers who know patterns will pay a premium for the T1 because the visual is unambiguously better. Pattern guides like this one make that premium visible.

About Blue Gem patterns

Hydra Gloves are the only gloves with a Case Hardened finish, and whether they have "true" Blue Gems is debated — gloves never reach the saturated blue of a knife. But the finish does vary by seed across the backs of both hands (the part you see while playing and inspecting), so the community still ranks the bluest rolls.

Seed #310 is the recognised apex — an overwhelming sky-blue on the backs of both hands, the left especially — with #829 the co-best. Lower tiers progressively show more yellow. Ranking and seed lists are sourced from the community (csgobluegem); gloves have no Gold Gem family.

01T1Tier 1 — Best patterns

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
Featured: pattern #310 — click image to zoom · toggle Front/Back
All T1 patterns (11)
T171T1221T1310T1392T1399T1505T1632T1773T1829T1900T1941

02T2Tier 2

No example yet
A render will appear when a listing becomes available.
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
All T2 patterns (47)
T29T228T231T255T2113T2119T2187T2195T2232T2254T2282T2297T2308T2341T2366T2369T2393T2442T2476T2500T2562T2569T2575T2617T2698T2701T2703T2708T2760T2779T2780T2791T2814T2818T2837T2872T2880T2881T2882T2898T2905T2916T2931T2932T2944T2974T2975

03T3Tier 3

No example yet
A render will appear when a listing becomes available.
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
All T3 patterns (35)
T313T325T345T3143T3184T3185T3213T3240T3319T3348T3358T3361T3394T3398T3401T3410T3414T3440T3461T3463T3470T3608T3633T3651T3653T3704T3717T3764T3781T3803T3808T3922T3928T3929T3971

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
Featured: pattern #506 — click image to zoom · toggle Front/Back
All T4 patterns (88)
T41T48T414T419T430T444T456T495T496T499T4115T4125T4127T4137T4138T4156T4166T4189T4199T4202T4222T4226T4315T4321T4322T4332T4338T4342T4344T4345T4346T4368T4371T4379T4380T4386T4403T4409T4433T4454T4462T4474T4475T4506T4525T4528T4561T4572T4574T4579T4580T4599T4600T4602T4637T4676T4685T4689T4697T4718T4721T4729T4738T4739T4747T4750T4752T4762T4763T4783T4790T4806T4821T4823T4830T4836T4844T4893T4895T4896T4903T4912T4947T4948T4954T4955T4956T4961
Everything else — Unranked

The remaining ~819 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 #261) 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 csgobluegem (csgobluegem.com).

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.