Rock-shell shard

Rock-shell Shard is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A curved piece of rock-shell."

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 36 gp, and item ID 6159.

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Rock-shell Shard shows an active flip setup with a margin of +1.2k gp and 838 trades over the last 24 hours.

At the buy limit of 11,000 every four hours, max profit per cycle is about 13.29m gp — high margin with healthy liquidity.