Summarize the seeker in Nathaniel Hawthorne's The Great Carbuncle?

The seeker in Nathaniel Hawthorne's "The Great Carbuncle" is a group of adventurers who set out on a quest to find the legendary gemstone, the Great Carbuncle, which is said to bestow great power and wealth upon its finder. The seekers are driven by their desire for the stone's mythical properties, but their journey reveals the true nature of their ambitions and the folly of chasing after material wealth.