The executive chairman of Spence Diamonds, a 10-store chain with seven stores in Canada and three in the United States, spoke with JCK about his company’s expansion and why its stores are adopting an ­Apple-like approach to sales. Spence will open two new stores this year in the Dallas–Fort Worth area and another new store in Canada. How many stores do you foresee? Our longer-term strategic plan calls for, by 2021, from 28 to 40 stores. [That’s about] five to 10 stores a year. We would like to open 10 [a year], but we want to open them in the right way. We are looking at major metropolitan areas where we think there will be demand for our Artisan Created Diamonds. What makes your new “next ­generation” stores different? They have what I would cal