Measuring app. 1 1/4 (including pearl & bail) x 1/2 inch wide, set with a Single cut diamond weighing app. 0.02ct. in a rock crystal background with pearl* (2.5 - 3.5mm) accents on chain, fashioned in 10k white gold. Circa 1930. Length 16 inches.*Pearls are assumed cultured unless specified natural.