The baroque coin pearl is about 12-13mm; Rice freshwater pearl is about 7-8mm, the small pearl is about 3mm. The necklace length is about 18 inch; The earrings length is about 2 inch. Gold plated brass link chain and fittings. This pearl jewelry set is an excellent gift for Anniversaries, Brides, Wedding Party, Holiday, Graduations, Birthdays etc.