Onyx necklace

I wonder if this is valuable.

MembersBuy limit 10,000Armour & WearablesNeck

Wiki

Insta-buyHighest recent buy

2,888,043gp

Insta-sellLowest recent sell

3,000,000gp

SpreadBefore tax

-111,957gp

-3.73%

MarginAfter 2% GE tax

-169,717gp

-5.66% ROI

VolumeTraded in 30D

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TrendMid price, 30D

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Price history

1 points · hover for detail

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

30D low: 2,888,043
30D high: 3,000,000
Volatility: 3.8%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitLoss

-169,717gp

-169,717 per item · -5.66% ROI

Tax puts break-even at 3,061,224 gp.

Capital required: 3,000,000 gp
Gross revenue: 2,888,043 gp
GE tax (2%, 57,760/item): − 57,760 gp
Break-even sell: 3,061,224 gp

Item data

High alchemy: 120,600 gp95.8% below market
Low alchemy: 80,400 gp
Shop value: 201,000 gp
Weight: 0.01 kg
Skill / type: Neck
Requires: Crafting 82
Stack / note: Not stackable · noteable
Released: Oct 4, 2005

About Onyx necklace

The Onyx necklace is a members-only piece of equipment in Old School RuneScape.

"I wonder if this is valuable"

Over the last 30 days it traded between 2,471,903 and 2,753,619 gp on the Grand Exchange, averaging 2,582,594 gp. About 1 units changed hands per day. The price is up 6.1% across that window. The Grand Exchange buy limit is 10,000 every 4 hours. Selling one at the average price costs 51,651 gp in Grand Exchange tax.

Casting High Level Alchemy returns 120,600 gp, which is 95.3% below the 30-day average price, so alching a bought one loses money.

Recipes

Where this item appears in crafting and processing.

Made from

1× Gold bar, 1× Onyx

Used to make

1× Berserker necklace from 1× Onyx necklace, 1× Cosmic rune, 20× Fire rune, 20× Earth rune

Onyx necklace price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Onyx necklace on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	2,684,781	2,471,903	2,753,619	19
September 2026	2,553,878	2,486,190	2,712,776	10
August 2026	2,427,126	2,370,555	2,558,487	3
July 2026	2,384,366	2,358,055	2,486,785	16
June 202621d	2,360,977	1,644,264	2,433,055	3,141
May 20262d	1,824,352	1,644,264	2,004,440	1
April 20261d	1,644,264	1,644,264	1,644,264	n/a
March 2026	2,213,800	1,644,264	2,419,114	16,279
February 2026	2,132,647	1,878,116	2,345,201	16,114
January 2026	1,744,646	1,173,345	1,939,614	17,856

Across 10 months of recorded prices Onyx necklace ranged from 1,173,345 gp in January 2026 to 2,753,619 gp in October 2026, measured over 218 trading days.

The 30-day average of 2,582,594 gp sits in the upper third of that range.

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

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