REMEMBERED>>?Leon Mason, cofounder of Mason-Kay, died of Alzheimer’s disease in Denver on July 24. He was 74.>>?Donald “Mike” Elmore, former owner of Gransbury-Elmore Jewelers and Mike’s Watch Shop in Felton, Calif., died July 18 after suffering a brain hemorrhage.>>?Alan Katz, who was vice president of operations for deBoulle Diamond and Jewelry in Dallas as well as a veteran of Friedman Jewelers and Zale Corp., died Aug. 22 at age 69.LABS>>?The International Gemological Institute has expanded its diamond report series to include Spanishand Portuguese languag