Gielinor's Ledger
Eternal gem

Eternal gem

Like the enchanted gem sold by Slayer Masters, only with an eternal charge.

MembersBuy limit 8
Insta-buy

7,847,292gp

Insta-sell

7,656,027gp

Spread

191,265gp

2.50%
Margin

+34,320gp

+0.45% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

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

Volume · units traded

30D low
7,656,027
30D high
7,847,292
Volatility
2.5%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitProfitable

+34,320gp

+34,320 per item · +0.45% ROI

Capital required
7,656,027 gp
Gross revenue
7,847,292 gp
GE tax (2%, 156,945/item)
− 156,945 gp
Break-even sell
7,812,272 gp

Item data

High alchemy
5,700 gp99.9% below market
Low alchemy
3,800 gp
Shop value
9,500 gp
Weight
0.004 kg
Skill / type
Crafting
Stack / note
Not stackable · noteable
Released
May 4, 2017

About Eternal gem

The Eternal gem is a members-only item in Old School RuneScape.

"Like the enchanted gem sold by Slayer Masters, only with an eternal charge"

Over the last 30 days it traded between 7,412,522 and 9,480,347 gp on the Grand Exchange, averaging 8,489,302 gp. About 99 units changed hands per day. The price is down 18.4% across that window. The Grand Exchange buy limit is 8 every 4 hours. Selling one at the average price costs 169,786 gp in Grand Exchange tax.

Casting High Level Alchemy returns 5,700 gp, which is 99.9% below the 30-day average price, so alching a bought one loses money.

How to get Eternal gem

38 monsters drop Eternal gem, most commonly Colossal Hydra (1/160), Nuclear smoke devil (1/200) and Dreadborn Araxyte (1/224).

Dropped by

MonsterRarityQuantity
Colossal Hydra1/1601
Nuclear smoke devil1/2001
Dreadborn Araxyte1/2241
Night beast1/2561
Greater abyssal demon1/3521
Guardian Drake1/3681
Nechryarch1/4401
Elder aquanite1/4721
Ancient Custodian1/5041
Marble gargoyle1/5201
Blood-starved venator1/5361
King kurask1/6001
Choke devil1/6801
Magma strykewyrm1/7281
Shadow Wyrm1/7281
Abhorrent spectre1/7601
Basilisk Sentinel1/7601
Repugnant spectre1/7601
Cave abomination1/7841
Mutated Terrorbird1/8161

18 further monsters drop it less commonly.

Recipes

Where this item appears in crafting and processing.

Used to make

Eternal gem price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Eternal gem on the Grand Exchange
MonthAverageLowHighVolume
October 202612d7,823,8827,412,5228,293,8441,165
September 20269,265,0028,524,02410,502,2003,140
August 20269,336,8958,626,68910,253,1926,875
July 20267,694,3966,961,2648,769,4614,043
June 202621d7,978,6767,444,2958,893,4194,300
May 20262d8,637,5938,490,0938,785,09292
April 20261d8,513,3268,513,3268,513,32626
March 20268,077,4397,729,1479,153,31716,972
February 20268,408,2517,747,7398,997,89116,170
January 20268,450,9327,358,9939,779,61117,856

Across 10 months of recorded prices Eternal gem ranged from 6,961,264 gp in July 2026 to 10,502,200 gp in September 2026, measured over 218 trading days.

The 30-day average of 8,489,302 gp sits around the middle of that range.

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

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