diamond

Level 1 of the Dungeon
(0, 0, D:1)
  6 poisoned tomahawks
(4, 4, D:1)
  18 poisoned needles
(8, 5, D:1)
  23 arrows
(12, 2, D:1)
  a +0 chain mail
(23, 17, D:1)
  a +0 club
(27, -13, D:1)
  21 stones
(29, -9, D:1)
  a +0 club
(33, -19, D:1)
  a stone
(35, -17, D:1)
  a +0 whip

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 plate armour
(2, 0, D:2)
  a +1 ring mail of fire resistance
(16, -4, D:2)
  a +0 short sword
(18, 0, D:2)
  a +0 leather armour
(25, 14, D:2)
  a +0 trident
(36, 11, D:2)
  a +0 robe
(48, 10, D:2)
  a cursed -1 club
(53, -25, D:2)
  a +0 dagger
(61, 3, D:2)
  a +0 whip

Level 3 of the Dungeon
(1, 25, D:3)
  a +0 falchion
(10, 37, D:3)
  a +0 mace
(11, 6, D:3)
  a +0 plate armour
(13, 32, D:3)
  a +0 mace
(15, -10, D:3)
  a +0 falchion
  a +0 flail
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(16, -10, D:3)
  a +0 club
  a +0 leather armour
(21, 8, D:3)
  a +0 short sword of venom
(25, 41, D:3)
  a bat corpse
(26, 44, D:3)
  a bat corpse
(38, -6, D:3)
  a +0 falchion
(42, 4, D:3)
  a cursed +0 robe
(44, 23, D:3)
  a +0 mace
(54, 20, D:3)
  a +0 club

Level 4 of the Dungeon
(0, 0, D:4)
  an uncursed ring of see invisible
(6, 5, D:4)
  22 stones
(14, 22, D:4)
  12 stones
(26, 25, D:4)
  a poisoned needle
(26, 26, D:4)
  a poisoned needle