Baroque Akoya Saltwater Cultured Pearl Necklace 20" with Sterling Silver Clasp Featured in this listing is a saltwater Baroque Akoya Pearl Necklace. The pearls are 6.5-7mm, baroque shape (mostly off-round), hand-knotted with silk thread between each pearl. The quality/grade is 'fine', smooth pearls with excellent luster. The necklace is 20" in length with a decorative sterling silver clasp.