CAN'T-MISS COLLECTION Heart of the Matter Patricia Gumuchian is no stranger to heartache. The head designer for New York City–based Gumuchian watched her daughter Katya endure two open-heart surgeries, 30 operations, 10 months in the pediatric intensive care unit, and seven cardiac arrests as a child before doctors at Columbia University Medical Center mended her broken heart. At a gala dinner honoring the 30th anniversary of the center’s Babies Heart Fund, Gumuchian, chair of the event, recounted Katya’s achievements. “She graduated valedictorian from her high school, went on to Harvard to earn a double degree, and is now dedicating her time working for a nonprofit,” Gumuchian said. “Of course, Columbia will always have a huge place in my heart.” This spring, the company is backing up those words with its Tiny Hearts collection of 18k gold rings, pendants, and bracelets