Opal ring

Opal Ring is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A valuable ring."

It has a Grand Exchange buy limit of 10,000 every four hours, a high alchemy value of 630 gp, and item ID 21081.

View on OSRS Wiki

Opal Ring currently has a flip margin of −12 gp, which isn't profitable to flip right now despite 68,033 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.