His hands tightened around her waist when she tried to wriggle away. "I’m being perfectly serious, Granger. I love you, and I’m marrying you. My parents have given us their blessing. And I have this for you." He felt around in the pocket of his robes, and before Hermione’s astonished gaze he produced a box with a diamond-and-emerald ring nestled into the velvet. "The engagement ring Grandfather Abraxas gave my grandmother," he added proudly. Without asking, he slid it onto her finger.