A cultured pearl and diamond pendant necklace, two diamond and cultured pearl pendants and a sapphire and diamond jewel

A cultured pearl and diamond pendant necklace, two diamond and cultured pearl pendants and a sapphire and diamond jewel
1st: The 11.1mm cultured pearl suspended from a graduated step-cut diamond surmount, to a triple belcher-link chain, 2nd and 3rd: Each 15.7mm x 10.8mm or 16.2mm x 11.3mm cultured pearl to a step-cut diamond surmount, 4th: The collet-set pear-shaped cabochon sapphire to a channel-set step-cut diamond surmount, accompanied by two diamond-set links, diamonds approx. 3.25cts total, lengths: 1st chain 44.0cm, pendant 2.4cm, 2nd and 3rd 2.5cm, 4th 3.1cm (6)