'Pawn Stars' -- MASSIVE Diamond for Sale

12/7/2010 12:00 PM PST
The guys from "Pawn Stars" don't just deal in unwanted junk -- they've also got extremely GIANT pieces of jewelry ... including a 5.5 carat diamond worth $129,000!!!

Rick Harrison was outside of the History Channel "Pop Shop" in New York City yesterday -- where the reality star revealed some of the coolest items he's trying to move ... like an actual chair from the U.S. Senate floor!