The blackened heart of the Grotesque Guardians.
1.16m gp
Updated 1h ago
Black tourmaline core is currently trading at 1.16m gp on the Grand Exchange and is up 5.7% over the last 24 hours. Current instant-buy and instant-sell prices are 1.15m gp and 1.18m gp.
Category: ores · Members only · View on OSRS Wiki
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Margin: 1.5k gp per flip
Volume: 458 trades / 24h
Buy limit: 5 every 4 hours
Max profit/cycle: 7.5k gp
Verdict: High margin with healthy liquidity
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 1h ago(6/23/2026) | — | – | 1.18m | 1 | – |
| 1h ago(6/23/2026) | — | – | 1.16m | 1 | – |
| 1h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 1h ago(6/23/2026) | 1.15m |
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| 1 |
| — |
| – |
| – |
| 2h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 2h ago(6/23/2026) | 1.15m | 1 | 1.15m | 1 | 0 |
| 2h ago(6/23/2026) | — | – | 1.16m | 1 | – |
| 3h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 4h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 5h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 5h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 5h ago(6/23/2026) | 1.13m | 2 | — | – | – |