COMINGS AND GOINGS>> Unique Settings of New York appointed Naz Aksu its new marketing director.   >> On Feb. 15, Moshe Mosbacher was elected president of the Diamond Dealers Club of New York, besting former bourse vice president Zvi Farber. Mosbacher, also a former VP, ascended to the top job in 2009 following the death of the club’s longtime president Jacob Banda. He won with two-thirds of the vote. Basant Johari was re-elected vice president, Reuven Kaufman was elected secretary, and Jacob Zupnik was elected treasurer.James Orloff>> The California Jewelers Association elected James Or­loff of Orloff Jewelers in Fresno, Calif., president for 2011. Orloff succeeds Stuart Benjamin of Stuart Benjamin & Co. ­Jewelry Designs in San Diego. The CJA also elected David Hayman president elect; Brenda Newman first vice president; Sarah Ashoori second vice presid