Georgian Era Rose Cut Diamond Ball Necklace

A rare Georgian-era diamond ball pendant is hanging on an early 20th century French platinum chain. Rose-cut diamonds are intricately pavé set in silver, gold, and platinum. The chain has French hallmarks and The ball is English in origin. Circa 1820. 

Masterful platinum diamond swivel pendant clasp. Rose cut diamond push clasp. The chain measures 15.5" in length. The ball measures 1.20" in drop length.