Blamish blue shell (round)

A large blue coloured blamish snail shell, looks protective.

MembersBuy limit 13,000

Wiki

Insta-buyHighest recent buy

2,979gp

Insta-sellLowest recent sell

2,849gp

SpreadBefore tax

130gp

4.56%

MarginAfter 2% GE tax

+71gp

+2.49% 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: 2,849
30D high: 2,979
Volatility: 4.5%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+71gp

+71 per item · +2.49% ROI

Capital required: 2,849 gp
Gross revenue: 2,979 gp
GE tax (2%, 59/item): − 59 gp
Break-even sell: 2,907 gp

Item data

High alchemy: 90 gp97.0% below market
Low alchemy: 60 gp
Shop value: 150 gp
Weight: 10 kg
Stack / note: Not stackable · noteable
Released: Oct 14, 2004

About Blamish blue shell (round)

The Blamish blue shell (round) is a members-only item in Old School RuneScape.

"A large blue coloured blamish snail shell, looks protective"

Over the last 30 days it traded between 2,220 and 9,432 gp on the Grand Exchange, averaging 4,195 gp. About 92 units changed hands per day. The price is down 11.3% across that window. The Grand Exchange buy limit is 13,000 every 4 hours. Selling one at the average price costs 83 gp in Grand Exchange tax.

Casting High Level Alchemy returns 90 gp, which is 97.9% below the 30-day average price, so alching a bought one loses money.

How to get Blamish blue shell (round)

Only Bruise Blamish Snail (Always) drops Blamish blue shell (round).

Dropped by

Monster	Rarity	Quantity
Bruise Blamish Snail	Always	1

Recipes

Where this item appears in crafting and processing.

Used to make

1× Bruise blue snelm from 1× Blamish blue shell (round)

Blamish blue shell (round) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Blamish blue shell (round) on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	5,209	2,220	9,432	1,259
September 2026	3,745	2,194	11,024	3,300
August 2026	3,116	2,101	4,836	4,174
July 2026	3,407	2,048	5,358	4,204
June 202621d	3,804	1,673	5,549	4,771
May 20262d	2,222	1,700	2,744	120
April 20261d	2,126	2,126	2,126	13
March 2026	4,409	581	7,526	17,281
February 202625d	2,545	945	7,538	9,467
January 2026	1,395	966	3,811	10,486

Across 10 months of recorded prices Blamish blue shell (round) ranged from 581 gp in March 2026 to 11,024 gp in September 2026, measured over 215 trading days.

The 30-day average of 4,195 gp sits around the middle of that range.

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