Lang Antiques
4.5 / 5Online · established 1969
A San Francisco dealer open since 1969 with a deep online catalogue of antique, vintage and estate jewellery and a clear focus on engagement rings. The inventory is sorted by era across Georgian, Victorian, Edwardian, Art Nouveau, Art Deco, Retro and Mid-Century, each ring dated and detailed. They ship most international orders by FedEx International Priority, though they note insurance and customs limits can rule out some destinations, so confirm before you set your heart on a piece.