The Blue Diamond dinnerware TEAPOT AND LID. SUGAR BOWL WITH LID AND A CREAMER 5 cup capacity, is a vintage collection from 1983, featuring a unique blue diamond pattern in a round shape. Made of porcelain and showcasing an Art Deco style, this TEAPOT SET IS perfect for all occasions. With a decorative blue and white Porcelain  finish, this original production by artist William Roberts adds a touch of elegance to any dining table. Dishwasher safe and printed with a unreadable Backstamp, this dinnerware is a timeless addition to any kitchen collection.