Measuring app. 1 5/8 x 1 3/16 inch centering an Old European Cut diamond weighing app. .15 ct, additionally set with four pearls** measuring app. 2 mm, with black enamel accents, suspended from a rope chain measuring app. 18 inches in length with a black enamel terminal, all fashioned in 14k yellow gold. Circa 1870*. Although vitreous enamel forms a hard, durable surface, it is susceptible to chipping and breakage upon impact.**All pearls are assumed to be cultured unless specified natural.