NDB Family House: Let's Advice

Am a graduate waiting for my call-up, nd my boyfriend is also a graduate with a very good job. He proposed to me yesterday with a ring of of 29k and I like the ring so much, but the problem is the ring is a bit loose on my finger should I tell him to change it or leave it cos I dnt want him to feel bad, he's been a God sent to me and also my first only love. pls advice a sister, tnks.