Officials with Shadyside's Henne Jewelers said the contest is way of thanking the community for its support.
The treasure hunt will be May 22. Contestants will have questions sent by text message to their cell phones.
The prize is a 1.5-carat Mark Patterson diamond ring worth $15,000.
Contestants can register on Henne Jewelers' website at www.HenneDiamondDash.com.
See and Be Seen will be at the event. Look for pictures and video on WPXI.com!