Diamond Armor Diamond Armor , also known as Diamond Mail , Diamond Plate , Opal , Diamond , and Diamond Targe , is a recurring heavy armor in the series . It is often a high - ranked armor that provides high defenses and a resistance towards Lightning - elemental attacks . Appearances . " Final Fantasy " . Diamond Armor is a high - ranked armor for the Knight class , providing 42 Defense , - 10 Evasion , and resistance towards Lightning - elemental attacks . It can be found in the Sunken Shrine . " Final Fantasy II " . Diamond Armor is a high - ranked armor that provides 43 Defense , - 47 % Evasion , 5 % Magic Defense , - 86 Intelligence / Spirit , and resistance towards Lightning - elemental attacks . It can be found at Cyclone or dropped from Emperor . " Final Fantasy III " . Diamond Mail is a high - ranked armor that can be bought for 32 , 000 gil ( 33 , 000 in the NES version ) on the " Invincible " and Ancient Ruins , or found at Sunken Cave and Temple of Time . It can be equipped by the Onion Knight , Freelancer , Warrior , Dragoon , and Viking classes . In the NES version , it provides 18 Defense , 10 Magic Defense , resistance to Lightning , 10 % Evade . In the 3D versions , it provides 40 Defense , 19 Magic Defense , and immunity to Confusion , Petrify , Toad , Sleep , and Mini . " Final Fantasy IV " . Diamond Armor is a high - ranked armor that provides 19 Defense , 4 Magic Defense , - 10 Evasion , 2 Magic Evasion , and resistance to Lightning - elemental attacks . It can be bought for 40 , 000 gil at Tomra , and only Cecil and Kain can equip it . In the 3D remakes , it remains largely the same , but now provides no evasion as opposed to - 10 Evasion , and now costs 30 , 000 gil to buy . " Final Fantasy IV - Interlude - " . Diamond Armor retains its attributes from the previous game , and is the strongest armor in the game . It can be bought for 40 , 000 gil on the " Falcon " , and only Cecil and Cid can equip it . " Final Fantasy V " . Diamond Armor is a high - ranked armor that provides 15 Defense , 2 Magic Defense , 8 Weight , and resistance towards Lightning - elemental damage . It can be bought for 8 , 000 gil at Moore or stolen from Ziggurat Gigas . " Final Fantasy VI " . Diamond Armor is a high - ranked heavy armor that provides 70 Defense and 47 Magic Defense . It can be bought for 15 , 000 gil at South Figaro and Kohlingen in the World of Ruin . It can be equipped by Terra , Edgar , Cyan , Celes , and Setzer . " Final Fantasy VIII " . Diamond Armor is an item that teaches any GF the GFHP + 40 % ability , and can be dropped from any leveled Red Giant , or by refine d from Seifer card x1 into Diamond Armor x3 , and by refining Gold Armor x5 in Diamond Armor x1 . In addition , Diamond Armor can be refined into Pet House x16 , Cottage x50 , and x5 can be refined into Elem Guard x1 . " Final Fantasy IX " . Diamond Armor is a mid - ranked heavy armor that provides 33 Defense , 2 Magic Defense , + 1 Strength , + 1 Magic , and teaches the ability Ability Up . It can be bought for 8 , 800 gil at Daguerreo ( disc 3 ) . Only Steiner and Freya can equip it . " Final Fantasy X " . Diamond Targe is an armor for Rikku , which can be obtained if the dominant abilities on any targe are all four Defense + % abilities . " Final Fantasy XII " . Diamond Armor is a mid - ranked heavy armor that provides 39 Defense , + 7 Strength , + 5 Vitality , and requires the Heavy Armor 6 license to equip . It can be bought for 7 , 000 gil at Mosphoran Highwaste , Phon Coast , or Archades , dropped by Baknamy ( unarmed version ; 3 % chance ) , or by doing the Hunt Club sidequest . In the International version , it now provides 40 Defense , + 7 Strength , + 5 Vitality , and requires the Heavy Armor 6 license to equip . It can be bought for 6 , 600 gil at Mosphoran Highwaste and Phon Coast , dropped by Baknamy ( unarmed version ; 3 % chance ) , or found at Mosphoran Highwaste ( Trail of Sky - flung Stone ) and Tchita Uplands ( The Highlands ) . " Final Fantasy Tactics " . Diamond Armor is a mid - ranked armor that provides + 80 HP . It can be bought for 6 , 000 gil at an Outfitter after Royal City of Lesalia ( chapter 3 ) . " Final Fantasy Tactics Advance " . Diamond Armor is a mid - ranked heavy armor that provides 40 Defense , 3 Magic Defense , and teaches Weapon Def + for 300 AP to Paladins and Defenders . " " . is a mid - ranked heavy armor that provides 40 Defense , 3 Magic Defense , and teaches Defense↑ for 150 AP to Defenders , Ravagers , and Paladins . It can be obtained from the Bazaar from the " Gift of Stone C " set . " Final Fantasy Crystal Chronicles " . Diamond Plate is the second strongest armor for the Clavat , providing 27 Defense . " Final Fantasy Legend III " . Called Diamond , it provides 11 defense , 10 magic defense and grants resistance to Thunder . It can be bought for 8500 G at Knaya . " Final Fantasy Dimensions " . Diamond Armor is a mid - ranked armor that provides 21 Defense and 4 Magic Defense . " Dissidia Final Fantasy " . Diamond Armor is a level 51 heavy armor that provides + 1701 HP and is 1 / 3rd of the " Dazzling Diamond " set . It can be obtained from the shop by trading 12 , 040 gil , Heavy Armor , and Diamond x2 . " Dissidia 012 Final Fantasy " . Diamond Armor returns as a level 60 heavy armor that provides + 2291 HP , + 27 Bravery , and is 1 / 3rd of the " Dazzling Diamond " set . It can be obtained from the shop by trading 73 , 440 gil , Survival Vest , Diamond x2 , and Tree ' s Dream x3 .