White gold is perhaps the most widely-requested material for luxury jewelry because it's sleek, classy, and timeless - but rose gold has benefits of its own, particularly with regards to more romantic ladies' pieces. In making this heart charm pendant, Cartier has given us the best of both worlds, utilizing both 18k white and rose gold to great effect. The result is an eye-catching piece which could transform any charm bracelet or necklace into an instant sensation.