Adamant helm (h1)

An adamant helmet with a heraldic design.

Free-to-playBuy limit 70Armour & WearablesHead

Wiki

Insta-buyHighest recent buy

3,647gp

Insta-sellLowest recent sell

2,135gp

SpreadBefore tax

1,512gp

70.82%

MarginAfter 2% GE tax

+1,440gp

+67.45% ROI

VolumeTraded in 30D

—

TrendMid price, 30D

—

Price history

1 points · hover for detail

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

30D low: 2,135
30D high: 3,647
Volatility: 52.3%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+1,440gp

+1,440 per item · +67.45% ROI

Capital required: 2,135 gp
Gross revenue: 3,647 gp
GE tax (2%, 72/item): − 72 gp
Break-even sell: 2,178 gp

Item data

High alchemy: 2,112 gp42.1% 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 (h1)

The Adamant helm (h1) 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 1,759 and 13,644 gp on the Grand Exchange, averaging 5,636 gp. About 49 units changed hands per day. The price is up 29.9% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 112 gp in Grand Exchange tax.

Casting High Level Alchemy returns 2,112 gp, which is 62.5% below the 30-day average price, so alching a bought one loses money.

How to get Adamant helm (h1)

Only Reward casket (medium) (1/1,133) drops Adamant helm (h1).

Dropped by

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

Adamant helm (h1) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Adamant helm (h1) on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	5,114	2,366	11,537	591
September 2026	4,573	1,759	13,644	1,328
August 2026	2,854	1,733	10,804	1,383
July 2026	3,334	1,678	8,066	2,358
June 202620d	3,256	1,663	11,326	4,131
May 20262d	10,102	1,928	18,276	262
April 20261d	6,196	6,196	6,196	23
March 2026	2,836	1,346	5,850	16,786
February 2026	3,561	1,795	10,687	16,092
January 2026	3,123	2,001	9,352	17,856

Across 10 months of recorded prices Adamant helm (h1) ranged from 1,346 gp in March 2026 to 18,276 gp in May 2026, measured over 214 trading days.

The 30-day average of 5,636 gp sits in the lower third of that range.

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

Similar items

Comparable armour & wearables