Adamant helm (h4)
An adamant helmet with a heraldic design.
Adamant helm (h4) is a free-to-play item on the OSRS Grand Exchange. The latest high price is 1,849 GP (4h ago) and the low price is 576 GP (9h ago). Buying at the low price and selling at the high price would leave 1,237 GP per item after the 2% tax (214.76% of the buy price). You can buy up to 70 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would make 1,372 GP. 23 were traded in the last 24 hours.
| High | 1,849 GP () |
|---|---|
| Low | 576 GP () |
| Tax | 36 GP |
| Margin | 1,237 GP |
| ROI | 214.76% |
| Buy limit | 70 every 4 hours |
| High alchemy | 2,112 GP |
Buy price (insta-sell / low): 576 GP
Sell price (insta-buy / high): 1,849 GP
Margin after tax: 1,237 GP per unit. Grand Exchange tax on a sale is 36 GP.
Buy limit: 70 every 4 hours.
The full buy limit of 70 Adamant helm (h4) costs 40,320 GP at the current buy price. Across that quantity, the after-tax margin is 86,590 GP.
- Grand Exchange buy limit: 70 every 4 hours
- Free-to-play item
- High alchemy value: 2,112 GP
- Low alchemy value: 1,408 GP
- Base value: 3,520 GP
Adamant helm (h4) price history
- Over the past 30 days, the average high ranged from 806 GP to 5,640 GP across 12 hourly samples. From 2026-10-14 UTC to 2026-11-08 UTC, it moved from 3,300 GP to 957 GP (-2,343 GP, -71.00%).
- Over the past 90 days, the average high ranged from 806 GP to 5,640 GP across 21 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 1,737 GP to 957 GP (-780 GP, -44.91%).
- Over the past 90 days, the highest average high was 5,640 GP on 2026-10-16 UTC, and the lowest was 806 GP on 2026-10-29 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Adamant helm (h4) price history", based on OSRS Wiki real-time price data through 2026-11-08 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Adamant helm (h4)?
You can buy up to 70 Adamant helm (h4) every 4 hours on the Grand Exchange.
Is Adamant helm (h4) a members-only item?
Adamant helm (h4) is available to free-to-play players. No membership is required to trade it.
What is Adamant helm (h4)'s current buy and sell price?
At the latest update, Adamant helm (h4)'s insta-sell (low) price is 576 GP and its insta-buy (high) price is 1,849 GP on the Grand Exchange.
How much Grand Exchange tax applies to Adamant helm (h4)?
A sale of Adamant helm (h4) pays the standard 2% Grand Exchange tax, which is 36 GP per unit at the current price.
What does a full buy limit of Adamant helm (h4) cost?
Buying the full limit of 70 Adamant helm (h4) costs 40,320 GP at the current insta-sell price of 576 GP each.