Princess cut diamonds are considered to be the second most popular diamond shape for engagement rings. They offer a brilliance comparable to round cut diamonds, but with a distinctive square or rectangular appearance. Princess diamonds offer a great per carat value, since most of the rough diamond is preserved during the cutting process.
Pink diamonds are the rarest diamonds on the market, which makes them extremely valuable. Fancy pink diamonds typically contain some of the following hues: very light pink, light pink, fancy light pink, fancy pink, fancy intense pink, fancy vivid pink, fancy deep pink. Besides their extreme rarity, the allure of argyle diamonds is their mystery. No one understands exactly how pink diamonds get their distinct color. Some scientists speculate that an atomic-level anomaly absorbs light and produces the pink hue.