Jewelers and gemologists from around the world will be in attending World of Gems Conference, Sept. 13-14 in Chicago.

Jewelers and gemologists from around the world will be in attending World of Gems Conference, Sept. 13-14 in Chicago.

Retail industry sales for July (which exclude automobiles, gas stations, and restaurants) increased 0.3 percent seasonally adjusted month-to-month and rose 4.7 percent unadjusted over last year, according to the National Retail Federation.

Singapore—Diamond-technology company Sarin Technologies Ltd. experienced a 22 percent increase in sales in the second quarter of 2008, an increase fueled by emerging markets.

Los Angeles—Tacori has launched a new Web site, "The Gentleman's Guide to Engagement," which provides a one-stop site to help guys answer all of their questions about the process of purchasing an engagement ring.

New York—Actress Charlize Theron has renewed her contract with Italian luxury brand Breil Milano and will appear in the company's advertising campaigns until 2011.

Chicago—Liquidation sales will begin today at stores owned by Whitehall Jewelers Holdings Inc.

Richmond, Va.—Refiner and jewelry manufacturer Hoover and Strong has named Michael Perlin as sales director and Larry Bock as national sales representative, effective immediately.

San Diego, Calif.—The Women's Jewelry Association (WJA) San Diego chapter will host a celebration on Sept. 11 in honor of the organization's 25th anniversary.

Richmond, Va.—Refiner and jewelry manufacturer Hoover and Strong has named Michael Perlin as sales director and Larry Bock as national sales representative, effective immediately.