Gemstone Crab
Three rolls of the table for every shell, and only the sixteen players who did the most damage get to mine it.
Rewards — Drops
| Item | Quantity | Rarity |
|---|---|---|
| Uncut opal | 1 | 9/32 |
| Uncut jade | 1 | 9/32 |
| Uncut red topaz | 1 | 6/32 |
| Uncut sapphire | 1 | 3/32 |
| Uncut emerald | 1 | 2/32 |
| Uncut ruby | 1 | 2/32 |
| Uncut diamond | 1 | 1/32 |
| Uncut dragonstone | 1 | 1/500 |
More bosses
- Abyssal Sire
- Alchemical Hydra
- Amoxliatl
- Araxxor
- Artio
- Barrows
- Brutus
- Callisto
- Calvar'ion
- Cerberus
- Chaos Elemental
- Chaos Fanatic
- Commander Zilyana
- Corporeal Beast
- Corrupted Hunllef
- Crazy archaeologist
- Crystalline Hunllef
- Dagannoth Prime
- Dagannoth Rex
- Dagannoth Supreme
- Deranged archaeologist
- Doom of Mokhaiotl
- Duke Sucellus
- General Graardor
What to upgrade next for Gemstone Crab — rank your own gear by the damage/sec it would add here.
While you’re here
- Gear progression — Enter your stats and see every upgrade ranked by the damage it adds.
- Slayer task odds — The chance of every task each master can give you, and what to block.
- Activity randomizer — Can’t decide what to do? Put it on the wheel and let it choose.
All OSRS drop tables and calculators — rates from the OSRS Wiki, prices from its real-time API.