Gielinor's Ledger
Adamant full helm (t)

Adamant full helm (t)

Adamant full helmet with trim.

Free-to-playBuy limit 8Armour & WearablesHead
Insta-buy

5,160gp

Insta-sell

5,065gp

Spread

95gp

1.88%
Margin

-8gp

-0.16% ROI
Volume

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Trend

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
5,065
30D high
5,160
Volatility
1.9%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitLoss

-8gp

-8 per item · -0.16% ROI

Tax puts break-even at 5,168 gp.

Capital required
5,065 gp
Gross revenue
5,160 gp
GE tax (2%, 103/item)
− 103 gp
Break-even sell
5,168 gp

Item data

High alchemy
2,112 gp59.1% 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
May 5, 2004

About Adamant full helm (t)

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

"Adamant full helmet with trim"

Over the last 30 days it traded between 4,340 and 54,169 gp on the Grand Exchange, averaging 6,870 gp. About 60 units changed hands per day. The price is down 15.2% across that window. The Grand Exchange buy limit is 8 every 4 hours. Selling one at the average price costs 137 gp in Grand Exchange tax.

Casting High Level Alchemy returns 2,112 gp, which is 69.3% below the 30-day average price, so alching a bought one loses money.

How to get Adamant full helm (t)

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

Dropped by

MonsterRarityQuantity
Reward casket (medium)1/1,1331

Adamant full helm (t) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Adamant full helm (t) on the Grand Exchange
MonthAverageLowHighVolume
October 202612d9,6784,50054,169833
September 20264,7472,8416,2111,479
August 20264,4953,5246,0371,724
July 20265,0553,8277,1831,568
June 202621d5,6524,0397,1293,782
May 20262d4,1953,7174,67256
April 20261d4,0174,0174,01731
March 20264,6133,1105,63916,687
February 20263,6681,8905,13116,137
January 20262,0931,5273,35617,856

Across 10 months of recorded prices Adamant full helm (t) ranged from 1,527 gp in January 2026 to 54,169 gp in October 2026, measured over 218 trading days.

The 30-day average of 6,870 gp sits in the lower third of that range.

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