A diamond and aquamarine pendant brooch of open-work, foliate design, the quatrefoil-shaped pendant brooch millegrain-set with round brilliant-cut diamonds, centring upon a square-shaped aquamarine, measuring approximately 5.08 x 5.08 x 3.38 mm, fitted with pendant bail and brooch pin, estimated total diamond weight 2.50 carats, mounted in rhodium-plated 18ct gold, length 4.50 cm.