Pair of yellow gold and turquoise earrings and turquoise, silver and yellow gold necklace

Pair of earrings with oval and drop-shaped cabochon turquoises, marked 750 and large necklace with three and five strands of turquoise, inserts in silver and gold and turquoise paste, marked 750 and 800, earrings gr 11.2, necklace gr 193.7