Strauss & co - 4 February 2013, Johannesburg

86 Diamond and gold ring, Erich Frey, 1970s set with four raised triangular-cut diamonds weighing approximately 1.74 carats, set to a double trapezoidal base separated by an open division with textured central field, maker’s mark, size K½ R30 000 – 35 000 87 Pearl, diamond and gold pendant/ collier de chien, Erich Frey, 1970s designed as a flattened collar, with an openwork frame centred by a brilliant-cut fancy yellow diamond weighing approximately 0.25 carat, suspending a hinged plaque of abstract design, composed of four segments set with shaped rods headed by pearls of cream and grey tint, the segments united by a brilliant-cut diamond weighing approximately 0.40 carat, later closing clasp, maker’s mark R40 000 – 50 000 88 Diamond and Gold ring, Erich Frey, 1970s tubular-set to the centre with a brilliant- cut diamond weighing approximately 0.76 carat, within a square, triple-tiered frame, tri-furcated band, maker’s mark, size N R12 000 – 15 000 86 87 88 43