Confused, Kili sat up a bit straighter. Why would she not accept his gift? 
"But I want you to have it," this time, he was more insistent, and he placed the runestone to her palm, closing her fingers around it with his hand. "You deserve it...you've done so much for me, for Fili...for all of us."

Cenrid pretended not to notice this exchange, but he did. Inwardly, he had plans of his own, but now was not the time. To avoid suspicion, he helped Fili row their boat, quiet and calculating.