what is the name of the song that is on this jewelry commercial?

Question

i dont know what company its for but it shows a husband and his wife is sleeping and he puts this diamond necklace on her neck. the song goes something like "how do i tell you that i love you, i love you, i long to tell you that im always thinking of you, im always thinking of you, but i cant find the right words to say" ...something like that. help please :)

Answer 1

Someone else asked this question recently and someone else answered that it was a Cat Stevens song, but I can't remember the title.