Here is the full list of all 46 Diablo III trophies - there are 37 bronze, 5 silver, 3 gold and 1 platinum.
Collected all other Diablo III Trophies.
Complete all the main character, follower, and artisan conversation challenges.
Reach level 30 in Hardcore mode.
Complete all the Butcher triumph challenges.
Buy each type of item from merchants.
Pick up 5,000,000 gold.
Equip all Inventory slots with items that have a minimum required level of 60 or higher.
Complete all the Diablo triumph challenges.
Buy all stash upgrades.
Complete all the Belial triumph challenges.
Kill 100 Treasure Goblins.
Complete all the Azmodan triumph challenges.
Kill Diablo in Inferno mode.
Kill Azmodan in Inferno mode.
Kill Belial in Inferno mode.
Kill Maghda in Inferno mode.
Raise the Jeweler to level 10.
Kill the Butcher in Inferno mode.
Kill the Skeleton King in Inferno mode.
Raise the Blacksmith to level 10.
Kill Diablo in Hell mode.
Reach level 60.
Pick up 500,000 gold.
Kill Diablo in Nightmare mode.
Equip all Inventory slots with items that have a minimum required level of 25 or higher.
Craft 5 items.
Complete all quests in Act IV.
Kill Diablo in Normal mode.
Kill 500 elite (champion, rare, or unique) enemies.
Combine gems.
Complete all quests in Act III.
Kill Azmodan in Normal mode.
Reach level 30.
Complete all quests in Act II.
Kill Belial in Normal mode.
Kill one of the unique enemies listed in the Never Seen That Before Challenge.
Recruit the Templar, Scoundrel, and Enchantress.
Fully equip one of your followers.
Kill Maghda in Normal mode.
Complete all quests in Act I.
Kill the Butcher in Normal mode.
Use a merchant to repair an item.
Reach level 10.
Equip a rare (yellow) item.
Kill the Skeleton King in Normal mode.
Equip a legendary (orange) item.