Gielinor's Ledger
Crystal tool seed

Crystal tool seed

A seed to be sung into the best tools of the craft.

MembersBuy limit 100Skilling Resources
Insta-buy

20,304,031gp

Insta-sell

20,024,348gp

Spread

279,683gp

1.40%
Margin

-126,397gp

-0.63% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
20,024,348
30D high
20,304,031
Volatility
1.4%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitLoss

-126,397gp

-126,397 per item · -0.63% ROI

Tax puts break-even at 20,433,008 gp.

Capital required
20,024,348 gp
Gross revenue
20,304,031 gp
GE tax (2%, 406,080/item)
− 406,080 gp
Break-even sell
20,433,008 gp

Item data

High alchemy
300,000 gp98.5% below market
Low alchemy
200,000 gp
Shop value
500,000 gp
Weight
0 kg
Stack / note
Not stackable · noteable
Released
Jul 25, 2019

About Crystal tool seed

The Crystal tool seed is a members-only skilling resource in Old School RuneScape.

"A seed to be sung into the best tools of the craft"

Over the last 30 days it traded between 20,434,375 and 25,175,503 gp on the Grand Exchange, averaging 23,122,257 gp. About 155 units changed hands per day. The price is down 11.5% across that window. The Grand Exchange buy limit is 100 every 4 hours. Selling one at the average price costs 462,445 gp in Grand Exchange tax.

Casting High Level Alchemy returns 300,000 gp, which is 98.7% below the 30-day average price, so alching a bought one loses money.

How to get Crystal tool seed

Only Zalcano (39/8,000) drops Crystal tool seed.

Dropped by

MonsterRarityQuantity
Zalcano39/8,0001

Recipes

Where this item appears in crafting and processing.

Crystal tool seed price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Crystal tool seed on the Grand Exchange
MonthAverageLowHighVolume
October 202612d21,896,88020,434,37523,717,0612,004
September 202623,730,85222,762,42125,175,5034,217
August 202620,715,91619,803,38822,347,6715,580
July 202621,116,29718,963,14522,522,0527,089
June 202621d22,613,90322,090,68625,237,8265,872
May 20262d23,939,55322,369,46025,509,645280
April 20261d22,435,95622,435,95622,435,956105
March 202621,886,87420,042,04322,879,95718,114
February 202620,868,10018,763,53423,185,43816,287
January 202617,380,10516,219,33618,977,13417,856

Across 10 months of recorded prices Crystal tool seed ranged from 16,219,336 gp in January 2026 to 25,509,645 gp in May 2026, measured over 218 trading days.

The 30-day average of 23,122,257 gp sits in the upper third of that range.

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