Makes sense to have one place where we can see the possible augs for each piece as they're not posted on BG.Wiki yet.
(Reference to that page http://www.bg-wiki.com/bg/Delve_II_Rewards)

Here's what i've rustled up from different forums. Feel free to add along your findings.

Weapons

H2H: Tinhaspa
A: Atk +15 Str +12 Dmg +5
B: Acc +15 Dex +12 Dmg +5
C:

Dagger: Sabebus
A: Atk +10 Str +7 Dmg +3
B: Acc +10 Dex +7 Dmg +3
C: Atk +10 Evas +10 DA +3

Sword: Usonmunku
A: Atk +10 Str +7 Dmg +3
B: Acc +10 Dex+7 Dmg +3
C:

Great Sword: Kbiroj
A: Atk, Str, Dmg
B: Acc, Dex, Dmg
C: HP, Acc, MDT -

Axe: Emxgha
A:
B:
C: Atk Acc Pet Atk (Unsure of final numbers)

Great Axe: Lekboza
A:
B:
C:

Scythe: Vunetshelo
A:
B:
C: ATk, MAB, STP

Polearm: Kumalo
A:
B:
C:

Katana: Isuka
A: Atk +10 Str +7 Dmg +3
B: Acc +10 Dex +7 Dmg +3
C: Atk MAB PDT - (Unsure of Numbers)

Great Katana: Shokudaikiri
A:
B:
C:

Club: Gabaxorea
A: MAB +15, INT +12, MP +60
B: MAC +15, MND +12, MP +60
C: ACC +10, Dex + 7 Dmg +3

Non Smn Staff: Twebuliij
A: MP +60 MAB +15 INT +12
B: MP +60 MAC +15 MND +12
C:

Smn Staff: Tumafyrig
A: MP 60 Avatar Atk +15 Avatar Acc +15
B: MP +60 Avatar MAC +15 Avatar MAB +15
C: Avatar Atk +15 Avatar MAB +15 PDT -5%

Bow: Cibitshavore
A: Rng Atk +15 Str +12 Dmg +5
B: Rng Acc +15 Agi +12 Dmg +5
C: STR +12 Rng Acc +10 STP +7

Gun: Pulfanxa
A: Rng Atk +15 Str +12 Dmg +5
B: Rng Acc +15 AGI +12 Dmg +5
C: AGI +12 MAB +10 Snapshot +3

Armour

Qaaxo Set:

Qaaxo Head
A:Att+15, Eva+15, DA+2
B:Acc+15, STR+7, PDT-3
C:Att+15, STR+12, STP+3

Qaaxo Body:
A: Att+15 Eva+15, DA+2
B: Acc+15, STR+7, PDT-3
C: Acc+15, Pet Att+20, Pet: Acc+20

Qaaxo Hands:
A: Att+15, Eva+15, DA+2 (Very nice!)
B: Acc+15, STR+7, PDT-3
C: Rng.Atk+15, STP+3, Snapshot+3

Qaaxo Legs:
A: Att+15, Eva+15, DA+2 (Very nice!)
B: Acc+15, STR+7, PDT-3
C: HP+75, M.Eva+15, PDT-5

Qaaxo Feet:
A: Att+15, Eva+15, DA+2 (Very nice!)
B: Acc+15, STR+7, PDT-3
C: Att+15, MAB+15, STR+12


Xaddi Set:

Xaddi Head:
A: Atk +15 Acc +10 STP +3
B: HP +45 Acc +15 PDT -3%
C: Acc +15 Dex +12 Str +7

Xaddi Body:
A: Atk +15 Acc +10 STP +3
B: HP +45 Acc +15 PDT -3%
C: Vit +12 PDT -5% MDT -3%

Xaddi Hands:
A: Atk +15 Acc +10 STP +3
B: HP +45 Acc +15 PDT -3%
C: Acc +15 STP +3 DA +2%

Xaddi Legs:
A: Atk +15 Acc +10 STP +3
B: HP +45 Acc +15 PDT -3%
C: HP +75 Eavs +15 Mag Evas +15

Xaddi Feet:
A: Atk +15 Acc +10 STP +3
B: HP +45 Acc +15 PDT -3%
C: Atk +15 Str + 7 DA 2%


Artisieq Set:

Artsieq Head:
A: MP +30 MAB +20 Int +7
B: MP +30 MAC +20 MND +7
C: MAC +25 Magic Evas +10 MDT -5%

Artsieq Body:
A: MP +30 MAB +20 Int +7
B: MP +30 MAC +20 MND +7
C: MP +60 MAC +15 MAB +15

Artsieq Hands:
A: MP +30 MAB +20 Int +7
B: MP +30 MAC +20 MND +7
C: MP +30 Pet Atk +20 Pet Acc +20

Artsieq Legs:
A: MP +30 MAB +20 Int +7
B: MP +30 MAC +20 MND +7
C: MAB + 25 Magic Evas +10 PDT -5%

Artsieq Feet:
A: MP +30 MAB +20 Int +7
B: MP +30 MAC +20 MND +7
C: MP +30 Pet MAB +20 Pet MAC +20


Rinda Shield:

Path A: HP 75 Vit +7 PDT -3%
Path B: HP 75 Vit+7 MDT -3%
Path C: MP 30 MDT -3% PDT -3%