Featuring an unusual <PERSON>-cut diamond - a modified rectangular cushion-cut dating back to the third century and said to banish sorrow - the actress's ring is thought to be around four carats and also features a pavé band. Engagement Ring Pictures, Elegant Engagement Rings, Celebrity Engagement Rings, Engagement Rings Cushion, Engagement Ring Buying Guide, Buy Diamond Ring, Diamond Cuts, Diamond Jewelry, Jewelry Rings