William Williams Rare Jewels opened Sept. 16 at 203A E. Virginia St., McKinney. The retail store offers Rolex sales and service; services luxury timepieces, recut diamonds and colored gemstones; appraises jewelry; and makes custom jewelry. William Williams also offers repair services for jewelry and specializes in diamonds and engagement rings. 214-842-4260. www.williamwilliamsrarejewels.com