You’re never too young to learn the basics of jewelry Lesson Six: The Round Brilliant Cut I’m getting hungry. “And diamonds are making you hungry?” I’m mesmerized, dizzy + overwhelmed + pizza would be nice. “Just so happens there’s a pizzeria right around the corner.” I’ll have a facet of pizza, please. “I’ll have a facet of pizza, no anchovies. . I mean a slice of pizza” You must be mesmerized, too. Three round brilliant genuine diamonds sparkle + shine. This brilliant shape accounts for more than 75% of diamonds sold today.