This set of vintage round cultured pearls includes an 18″ necklace with adjustable hook clasp and graduating sizes of pearls down from clasp to the center pearl which is 11.59 mm wide. The earrings are 1″ in diameter with the center pearl at 8.92 mm wide. And tiny pearls encircle the large one. The pearls in this set not a bright white but are an off-white shade due to age. This set is at least 70 years old and in mint condition. Well taken care of.