OSRS Grand Exchange

Black tourmaline core

Name: Black tourmaline core
SKU: 21730
Price: 1522000 XRS
Availability: InStock

P2P F Buy limit: 5 per 4 hours

The blackened heart of the Grotesque Guardians.

Black tourmaline core flips for around 21.5K GP profit per unit. The Grand Exchange requires a Members account to trade this item, with a buy limit of 5 units every 4 hours. The 2% Grand Exchange tax applies to sales, capped at 5,000,000 GP per item.

Live flip margin

Buy at

1,522,000

Sell at

1,575,000

Margin (after tax)

+21.5K

ROI

+1.4%

Daily volume

Profit per limit

107.5K

High alch

24.9K

Flip grade

Prices snapshot from the official RuneScape Wiki API. Refreshed at build time: Sat, 25 Apr 2026 18:54:34 GMT. Open the tool for live prices that refresh every two minutes.

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Black tourmaline core

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