Gielinor's Ledger
Adamant helm (h3)

Adamant helm (h3)

An adamant helmet with a heraldic design.

Free-to-playBuy limit 70Armour & WearablesHead
Insta-buy

1,918gp

Insta-sell

1,600gp

Spread

318gp

19.88%
Margin

+280gp

+17.50% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
1,600
30D high
1,918
Volatility
18.1%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitProfitable

+280gp

+280 per item · +17.50% ROI

Capital required
1,600 gp
Gross revenue
1,918 gp
GE tax (2%, 38/item)
− 38 gp
Break-even sell
1,632 gp

Item data

High alchemy
2,112 gp10.1% above 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 (h3)

The Adamant helm (h3) 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 1,736 and 13,809 gp on the Grand Exchange, averaging 4,310 gp. About 39 units changed hands per day. The price is down 40.9% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 86 gp in Grand Exchange tax.

Casting High Level Alchemy returns 2,112 gp, which is 51.0% below the 30-day average price, so alching a bought one loses money.

How to get Adamant helm (h3)

Only Reward casket (medium) (1/1,133) drops Adamant helm (h3).

Dropped by

MonsterRarityQuantity
Reward casket (medium)1/1,1331

Adamant helm (h3) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Adamant helm (h3) on the Grand Exchange
MonthAverageLowHighVolume
October 202612d1,9741,7362,300524
September 20265,2061,69313,8091,312
August 20266,2683,00026,6881,844
July 20262,8572,1155,9061,220
June 202621d2,3151,5183,5803,706
May 20262d5,6931,4669,92040
April 20261d8,2768,2768,27618
March 20263,1741,41411,04616,767
February 20263,0371,9937,58816,278
January 20262,9871,7828,52717,856

Across 10 months of recorded prices Adamant helm (h3) ranged from 1,414 gp in March 2026 to 26,688 gp in August 2026, measured over 218 trading days.

The 30-day average of 4,310 gp sits in the lower third of that range.

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