She has a fondness for diamonds, almost exclusively, and has been seen wearing stunning creations by Chopard and Harry Winston's. No CZs for this popular starlet. This photo from the recent Academy awards ceremony is fairly typical of her "look."
Photo of Kate credit of Kevork Djansezian/Getty Images
Like many current Hollywood stars, Winslet seems to favor the mimimalist look at the neckline. She seems to mainly wear diamond dangle earrings, simple rings and diamond cuff bracelets, with the occasional small pendant or studded belt for effect.
Here are some of Kate's favorite jools: