Fortuna Diamond Women Eternity Band. The Princess cut Fortuna Diamond ring is a Diamond Eternity band of 3.40 carat in 3.0gm with 20 stylish gemstones in a row that brings out the glitter and shine easily. Combined stones of diamonds, rubies, pink and blue sapphires or emeralds in 14K/18K white, rose or yellow gold and white 950 Platinum make this lovely piece an extraordinary New York, USA masterpiece.