Pearl three row necklace

A cultured pearl, sapphire and diamond necklace, designed as three strands of cultured pearls measuring approximately 6mm diameter, to a clasp of oval outline, centring on an oval sapphire measuring approximately 11.2 x 6.4 x 4.2mm, weighing approximately 2.20 carats, within concentric arrangements of brilliant-cut diamonds totalling approximately 0.45 carats, and calibré-cut sapphires, mounted in gold, clasp 2.1 x 1.5cm, necklace length 38cm, gross weight approximately 62 grams, case stamped SJ Phillips