By Heidi Glaus
St. Louis (KSDK) - It's a collection of heirloom and vintage jewelry that took three years to put together. Thursday night the pieces go up for auction at the St. Charles Convention Center.
Chances are, you have similar pieces in your jewelry box so how do you know what to keep and what to toss out? Mary Woodside with Scotsman Coin and Jewelry says to hang on to diamonds, rubies and emeralds.
Click the video player above watch the full interview.
If you want to see the pieces up close and possibly bid, the auction begins at 6:30 p.m. Thursday.