A pair of South Sea cultured pearl and diamond earrings, Buccellati. © 2002-2010 Bonhams 1793 Ltd each designed as a floral surmount detailed with round brilliant-cut diamonds suspending a drop-shaped cultured pearl measuring approximately 14.0 x 12.5mm;...

An antique diamond necklace, circa 1880. © 2002-2010 Bonhams 1793 Ltd designed as elaborate graduated openwork sections of rose-cut diamonds in a floral motif, completed by a (later) gold backchain; sections can be converted to brooches and earrings with...