The blackened heart of the Grotesque Guardians.
1.15m gp
Updated 1h ago
Black tourmaline core is currently trading at 1.15m gp on the Grand Exchange and is up 4.6% over the last 24 hours. Current instant-buy and instant-sell prices are 1.15m gp and 1.15m gp.
Category: ores · Members only · View on OSRS Wiki
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Margin: -20,651 gp per flip
Volume: 460 trades / 24h
Buy limit: 5 every 4 hours
Max profit/cycle: -103,255 gp
Verdict: High margin, low liquidity
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 1h ago(6/23/2026) | 1.15m | 2 | — | – | – |
| 1h ago(6/23/2026) | — | – | 1.15m | 2 | – |
| 1h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 3h ago(6/23/2026) | — |
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| – |
| 1.18m |
| 1 |
| – |
| 3h ago(6/23/2026) | — | – | 1.16m | 1 | – |
| 3h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 4h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 4h ago(6/23/2026) | 1.15m | 1 | — | – | – |
| 4h ago(6/23/2026) | 1.15m | 1 | 1.15m | 1 | 0 |
| 4h ago(6/23/2026) | — | – | 1.16m | 1 | – |
| 5h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 6h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 7h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 7h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 8h ago(6/23/2026) | 1.13m | 2 | — | – | – |
| 8h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 9h ago(6/23/2026) | — | – | 1.14m | 2 | – |
| 9h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 10h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 10h ago(6/23/2026) | 1.13m | 2 | — | – | – |
| 11h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 11h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 13h ago(6/23/2026) | 1.13m | 2 | — | – | – |
| 13h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 14h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 14h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 14h ago(6/23/2026) | — | – | 1.16m | 1 | – |
| 15h ago(6/23/2026) | — | – | 1.15m | 2 | – |
| 15h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 15h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 15h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 15h ago(6/23/2026) | — | – | 1.14m | 1 | – |
| 16h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 16h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 17h ago(6/23/2026) | — | – | 1.13m | 1 | – |
| 17h ago(6/23/2026) | 1.13m | 2 | — | – | – |
| 17h ago(6/23/2026) | 1.13m | 1 | — | – | – |
| 18h ago(6/22/2026) | — | – | 1.13m | 1 | – |
| 19h ago(6/22/2026) | 1.13m | 3 | — | – | – |
| 19h ago(6/22/2026) | 1.13m | 1 | — | – | – |
| 20h ago(6/22/2026) | 1.13m | 1 | — | – | – |
| 20h ago(6/22/2026) | 1.13m | 2 | — | – | – |
| 20h ago(6/22/2026) | 1.13m | 2 | — | – | – |
| 20h ago(6/22/2026) | 1.10m | 1 | — | – | – |
| 20h ago(6/22/2026) | 1.10m | 1 | — | – | – |
| 21h ago(6/22/2026) | 1.10m | 1 | — | – | – |
| 21h ago(6/22/2026) | 1.10m | 1 | — | – | – |
| 21h ago(6/22/2026) | — | – | 1.16m | 1 | – |