If you're looking for a happy medium, we recommend checking out this J.Crew Rollneck. While the price is very reasonable, this product is an easy wardrobe update. You might also want to take a look at this J.Crew Sweater. It's an attractive option both price and quality-wise.
If you're on a hunt for a luxury item, then what you're looking for is this J.Crew V-Neck Pullover. It's more expensive but worth your money. While you're at it, also have a look at this J.Crew Sweater. Yes, this item is expensive, but it does not mean it's not worth it.