Crystal key price in OSRS — live Grand Exchange data

About Crystal key

In game it is examined as “A mysterious key for a mysterious chest.” Crystal key is members-only, so a membership is needed to trade or use it. The base game value is 150 gp, which is what shops price from rather than what players pay.

Crystal key buy limit

The Grand Exchange lets one account buy 11,000 every 4 hours. That is a generous limit, so the market rather than the limit is usually what caps a position here. Filling it once costs about 216,150,000 gp at the 19,650 gp price recorded on 11 October 2026. The limit is per account and resets on a rolling 4-hour timer.

GE tax on Crystal key

Selling at 19,650 gp costs 393 gp in tax — 2%, rounded down, taken from the seller. A flip has to clear that before it makes anything, and it is the number most margin calculators leave out.

High alching Crystal key

High alchemy turns one Crystal key into 90 gp. That is less than the 142 gp nature rune the cast costs, so alching Crystal key always loses money.

How much Crystal key trades

Crystal key sees about 4.5K trades a day, which makes it moderately traded — an order may take a while to fill, so price it toward the middle. That is less than twice the 11,000 buy limit, so a handful of buyers can take a whole day of supply.

Crystal key FAQ

How much is Crystal key in OSRS? Crystal key is 19,650 gp on the Grand Exchange as of 11 October 2026, with an insta-sell of 19,011 gp. The chart above is live.

What is the buy limit for Crystal key? 11,000 every 4 hours.

Can you high alch Crystal key for profit? No — the alch value is 90 gp and the nature rune alone costs 142 gp.

Do you need members for Crystal key? Yes, Crystal key is members-only.