Grape seed

Grape Seed is a members-only item on the OSRS Grand Exchange in the seeds category.

In-game examine text: "A grape seed for growing in a vinery."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 44 gp, and item ID 13657.

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Grape Seed shows an active flip setup with a margin of +624 gp and 25,657 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 124.8k gp — high margin with healthy liquidity.