Diamond - Items - Liven's Classic Maple Guide

In-game description

A transparent jewel.

Liven's take

Diamond is an ETC-category gemstone that drops rarely from mid-to-high-level mobs. In-game description: "A transparent jewel." No stats, no equip requirement - it's a pure crafting and quest material.

Why it matters: Diamond is the bottleneck item for two of Classic MapleStory's iconic quest chains:

Sleepywood Sauna Robe chain step 6 - Rowen the Fairy trades a Diamond for the Fresh Milk needed to complete the chain.
Ronnie's House-Building chain step 4 (final) - 1 Diamond is required alongside 30 Cold Eye Tails and 10 Dragon Skins.

How to acquire: no monster drops a Diamond in the current client datamine. You refine one from 1 Diamond Ore through Arcforge (crafting level 6, 1,200 mesos). Diamond Ore drops from several mobs, some as low as Lv. 8, and the Luke the Security Guy quest can also award a Diamond. (An earlier version of this page said Diamonds drop from Zombie Lupins and Cold Drakes; the datamine lists no mob drops.)

Diamond vs Diamond Ore: two different items! Diamond Ore (WZ ID 4020007) is a crafting ore that drops from the Cursed Doll chain tier 3 - it's a smithing input. Diamond (this page, WZ ID 4020107) is the finished gem used as a trade / quest input. If a quest asks for a Diamond and your inventory has Diamond Ore, you can't substitute - they're distinct.

Free Market strategy: Diamonds trade for mid-hundreds-of-thousands of mesos traditionally economies during active quest completion phases. If you need one for a chain and don't want to grind, buying is often faster than farming.

NPC price 1,200 mesos

Where it comes from

Given by quests (1)

Luke the Security Guy L19 · Henesys

Dropped by (0)

Not in any documented mob drop table. Either the drop hasn't been crowdsourced at MeowDB yet, or this item is quest/craft/vendor-only.

Craftable (1)

Arcforge L6 Costs 1,200 mesos · Yields x1
Ingredients: Diamond Ore x1 ;

Available: quest rewards, crafting recipes, and crowdsourced mob drops (via MeowDB). Not yet documented: NPC vendor lists beyond the NPC sell price. Vendor data isn't publicly exposed at osmsdataexplorer as of this build.

What it's used for

Required by quests (3)

Maya's Last Collection L47 · Henesys
Last Material Delivery for Building a New House L41 · Ellinia
Cold Milk L32 · Sleepywood

Used as crafting material (9)

Sai Weaponcrafting L10 · consumes x6
The Rising Weaponcrafting L10 · consumes x6
Golden Mole Weaponcrafting L10 · consumes x6
White Justice Cape Tailoring L7 · consumes x3
Silver Crow Woodcrafting L9 · consumes x2
Shield DEF Scroll: Lesser Arcforge L5 · consumes x3
Overall Armor DEF Scroll: Lesser Arcforge L5 · consumes x3
Cape Weapon Def. Scroll: Lesser Arcforge L7 · consumes x3
Fairy Wand Arcforge L8 · consumes x3

Related guides

Sources

Community-maintained data dashboard extracted directly from the Classic World client; first captured from the CoT 2 build (Aug 2026, the figures below) and refreshed for the Grand Launch client on Oct 22 2026 (7,360 items, 343 quests, 109 monsters with Classic World stats). Provides 163 skills with per-level stats + PNG icons, 712 items + 1,199 equipment with icons, 187 monsters with animated sprites, 348 crafting recipes with ingredients and meso costs, 322 quests with chains and rewards, and full patch notes. GitHub-mirrored so the dataset survives even if the live dashboard goes down.

Confirmed facts

CoT 2 contains 163 skills across 25 classes (datamined Aug 11 2026)
CoT 2 contains 348 crafting recipes across 6 disciplines
CoT 2 contains 322 quests organized into chains by region
CoT 2 contains 712 non-equipment items and 1,199 equipment items
Warrior 1st job in CoT 2 has 6 skills including new 'Precise Strikes'
Archer 1st job in CoT 2 dropped 'Blessing of Amazon' and added 'Power Knockback'

Topics: Skills, Items, Equipment, Monsters, Crafting, Quests, Maps, Cash Shop
Checked: 2026-10-22
Links: Original Archive snapshot