Revlon Colorstay Gel Envy Nail Enamel - 11.7ml New and improved Colour Stay Gel Envy Diamond Top Coat is our toughest top coat yet! Formulated with exclusive Diamond Flex Technology, our top coat is specifically designed to work with Colour Stay Gel Envy Long wear Nail Enamel to deliver salon-quality colour and diamond-like shine. Revlon Gel Envy delivers longer, stronger wear with maximum shine with these 8 new shades. Use with our toughest Gel Envy top coat to deliver ding-resistant wear and shatterproof shine. Finally, the formula for flawless is at your fingertips.