Mayors puts headquarters on the market.(Brief Article)

Mayors Jewelers isn't only selling diamonds that sparkle this holiday season. The revenue-challenged retailer has slapped a "For Sale" sign on its Sunrise headquarters this month.

The 131,000-square-foot office and warehouse hub could raise as much as $8.5 million in needed capital for the jewelry chain. Most of the space is no longer needed after a year of layoffs and the loss of the Mayors-run jewelry counters at 440 Sam's Club warehouses nationwide.

The loss prompted corporate cuts, whittling headquarters staff to 150 from 350 at the start of the year.

The latest round of layoffs came last month when 46 employees, many of them administrative and clerical, were cut …