The Jewel Building is a new Retail/Office Building available for lease on one of the most prominent corners in the retail market in Boise. This single story building allows for signage on the facia making your business noticeable to passersby on Emerald as well as Cole Roads. Current Tenants Pearl Vision and Elements Massage. The Jewel Building is located on the Northwest Corner of Emerald and Cole Road near Boise Towne Square Mall. Amazing visibility and exposure for your business.