Water sapphire
Who needs a watering can these days.
275,000gp
270,022gp
4,978gp
-522gp
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Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 270,022
- 30D high
- 275,000
- Volatility
- 1.8%
Flip calculator
Includes the 2% Grand Exchange tax
-522gp
-522 per item · -0.19% ROI
Tax puts break-even at 275,532 gp.
- Capital required
- 270,022 gp
- Gross revenue
- 275,000 gp
- GE tax (2%, 5,500/item)
- − 5,500 gp
- Break-even sell
- 275,532 gp
Item data
- High alchemy
- 12,000 gp95.6% below market
- Low alchemy
- 8,000 gp
- Skill / type
- Gems
- Stack / note
- Not stackable · not noteable
About Water sapphire
The Water sapphire is a members-only skilling resource in Old School RuneScape.
"Who needs a watering can these days"
Over the last 30 days it traded between 229,734 and 383,037 gp on the Grand Exchange, averaging 309,244 gp. About 564 units changed hands per day. Selling one at the average price costs 6,184 gp in Grand Exchange tax.
Casting High Level Alchemy returns 12,000 gp, which is 96.1% below the 30-day average price, so alching a bought one loses money.
How to get Water sapphire
3 monsters drop Water sapphire, most commonly Giant Sea Snake (1/64), Sea Snake Hatchling (1/64) and Sea Snake Young (1/64).
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Giant Sea Snake | 1/64 | 1 |
| Sea Snake Hatchling | 1/64 | 1 |
| Sea Snake Young | 1/64 | 1 |
Water sapphire price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 333,440 | 274,757 | 383,037 | 11,782 |
| September 2026 | 284,343 | 170,813 | 403,231 | 10,140 |
Across 2 months of recorded prices Water sapphire ranged from 170,813 gp in September 2026 to 403,231 gp in September 2026, measured over 41 trading days.
The 30-day average of 309,244 gp sits around the middle of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
