3 Carat Diamond Earrings in Platinum3 Carat Diamond Earrings in Platinum. These stunning earrings create an almost unmatched impact on the ears. The focal point are two emerald cut diamonds weighing 3 carats. The center diamonds are surrounded by a halo of baguette cut diamonds, adding another layer of texture and sparkle. The incredible earrings are sure to cause quite a stir!