Adamant helm (h4)

An adamant helmet with a heraldic design.

Free-to-playBuy limit 70Armour & WearablesHead

Wiki

Insta-buyHighest recent buy

3,300gp

Insta-sellLowest recent sell

3,809gp

SpreadBefore tax

-509gp

-13.36%

MarginAfter 2% GE tax

-575gp

-15.10% ROI

VolumeTraded in 30D

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TrendMid price, 30D

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

30D low: 3,300
30D high: 3,809
Volatility: 14.3%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitLoss

-575gp

-575 per item · -15.10% ROI

Tax puts break-even at 3,886 gp.

Capital required: 3,809 gp
Gross revenue: 3,300 gp
GE tax (2%, 66/item): − 66 gp
Break-even sell: 3,886 gp

Item data

High alchemy: 2,112 gp36.0% below market
Low alchemy: 1,408 gp
Shop value: 3,520 gp
Weight: 3.175 kg
Skill / type: Head
Stack / note: Not stackable · noteable
Released: Dec 5, 2006

About Adamant helm (h4)

The Adamant helm (h4) is a free-to-play piece of equipment in Old School RuneScape.

"An adamant helmet with a heraldic design"

Over the last 30 days it traded between 1,454 and 468,740 gp on the Grand Exchange, averaging 37,179 gp. About 44 units changed hands per day. The price is up 27.6% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 743 gp in Grand Exchange tax.

Casting High Level Alchemy returns 2,112 gp, which is 94.3% below the 30-day average price, so alching a bought one loses money.

How to get Adamant helm (h4)

Only Reward casket (medium) (1/1,133) drops Adamant helm (h4).

Dropped by

Monster	Rarity	Quantity
Reward casket (medium)	1/1,133	1

Adamant helm (h4) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Adamant helm (h4) on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	82,455	2,711	468,740	543
September 2026	5,259	1,454	81,171	1,186
August 202627d	7,809	1,611	52,501	1,490
July 2026	1,913	1,189	2,697	1,486
June 202618d	19,188	1,910	51,268	2,257
May 20262d	2,079	1,827	2,331	116
April 20261d	2,901	2,901	2,901	6
March 2026	2,493	1,418	5,732	16,508
February 2026	2,087	1,333	5,491	15,972
January 2026	2,078	1,346	3,485	17,842

Across 10 months of recorded prices Adamant helm (h4) ranged from 1,189 gp in July 2026 to 468,740 gp in October 2026, measured over 211 trading days.

The 30-day average of 37,179 gp sits in the lower third of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.

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