Since the coronavirus crisis hit the United States in March, jewelers have shared myriad examples of grace under pressure In March, the COVID-19 pandemic, cases of which were first detected in the United States in late January, brought with it mandatory quarantines and business closures around the country. Jewelry stores, manufacturing facilities, showrooms, and business offices were all temporarily shuttered in an effort to promote social distancing. At press time in May, several U.S. cities are slowly ­reopening after business closures and stay-at-home orders that began in mid-March. But coronavirus infections are still on the rise in many regions, keeping nervous consumers out of malls and off Main Streets. Retailers, man