Necklace with 6 fac. sapphires and 10 brilliant-cut diamonds

Necklace with 6 faceted sapphires and 10 brilliant-cut diamonds, totalling 0.37 ct (engraved), good colour and clarity, sapphires totalling 1.97 ct (engraved), navetten cut, 14K white gold, 21.8 g, L: ca. 41.5 cm, W: ca. 2.3 mm, pendant ca. 28.9 x 13.8 mm, 2nd half of the 20th century, minimal signs of wear, with hallmark 'BS'.