This Sephora by OPI Jewelry Top Coats Nail Polish drops from $9.50 to $4.50 at Sephora. This is the only discounted price we could find on this top coat nail polish. It adds a sparkle and some color over unpainted nails, or it can be used over a different color as well. It comes in 17 colors. Shipping adds $5.95, or is free with $50. Plus, use code YOURGIFT to bag a free deluxe sample with any $25 purchase. Sales tax is charged in most states.