Set: pair of stud earrings, necklace with pendant and ring

Set: pair of ear studs, chain with pendant and ring, brilliant-cut diamonds totalling approx. 0.07 ct, good colour and clarity, 18K YG an 14K YG (ear nuts), total weight: approx. 14.8 g, ring size 53, length: 53 cm, 20th/21st century, minor signs of wear.