Lightbearer

The Lightbearer is a members-only Old School RuneScape item — “A heavy ring that glimmers with a strange power.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 4,561,504 gp and sells at 4,674,075 gp — a net margin of 19,090 gp (0.4% ROI) after the 2% Grand Exchange tax of 93,481 gp. High alchemy yields 600,000 gp.

To flip it, place a buy offer near 4,561,504 gp and a sell offer near 4,674,075 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.