What does 14K FG mean inside a gold ring?

14K FG inside a gold ring stands for 14 karat fine gold. The "14K" indicates the purity of the gold, with 14 karat gold being composed of 58.3% pure gold mixed with other metals for strength and durability. The "FG" likely stands for "fine gold," indicating that the gold used in the ring is of high quality and has a higher gold content compared to lower karat gold alloys.