All of the Blue Gem patterns for the Shadow Daggers Case Hardened are listed in order of tiers. Meaning Tier 1 patterns are considered to be the best while Tier 4 patterns are considered less expensive due to there being less blue on the blade. As can be seen, the pattern index 56 is the best Blue Gem finish for the Shadow Daggers Case Hardened. Other notable high-tier finishes include the pattern indexes 505 and 417.

505, 417, 609, 657, 576, 707, 80, 14, 618, 468

176, 830, 866, 406, 702, 4, 859, 59, 130, 355, 897, 883, 780, 249

602, 771, 367, 346, 601, 365, 241, 180, 553, 156, 881, 88, 445, 283, 379, 55, 64, 357, 887, 819, 564, 351, 347, 550, 891, 497, 269, 488, 441, 3, 640, 366, 654, 188, 584, 319, 961, 401, 706, 10

570, 933, 923, 630, 400, 899, 222, 315, 501, 72, 458, 311, 811, 776, 528, 506, 858, 916, 430, 750, 116, 878, 885, 915, 679, 759, 805, 557, 349, 525, 569, 342, 783, 413, 185, 547, 658, 546, 117, 850, 798, 693, 986, 976, 350, 21, 820, 516, 73, 97, 204

https://steamcommunity.com/sharedfiles/filedetails/?id=2948564018

https://steamcommunity.com/sharedfiles/filedetails/?id=2948578790

https://steamcommunity.com/sharedfiles/filedetails/?id=2948645553

https://steamcommunity.com/sharedfiles/filedetails/?id=3090086681