Cracked granite countertop

I had this granite countertop installed a couple of days ago and just noticed a crack about 6 inches long at the corner of the island. Before I contact the installer I wanted to get some opinions about what options I should consider. Can it be repaired somehow ? Should ask for a whole new piece?

It’s only really noticeable from certain angles, so if it can be filled/repaired and have the same finish as the rest of the countertop so it blends in, it seems like that would be ok.