Look online for an Amish quilt, they would sell a king size quilt for that price, minimum. I agree with Ktbb, a quilt is worth what someone is willing to pay, and you should discuss with your friend why you are estimating that price, and I'm sure she will understand. She may not be able to pay it, but she will understand why it is that price! I just bought batikis for a storm at sea with a paper pieced border, the fabric for the quilt top and bottom was over $330. That doesn't include batting or thread!