A pair of elegant earrings circa 1900 set with 4 white diamonds

A pair of elegant earrings around 1900 set with 4 white diamonds - 2 pear-shaped rose-cut: +- 1.50CT + 2 brilliant-cut: 0.50CT, color: I and clarity: VS-SI. Mounted in 18kt white gold (marked 750). Earring length: +- 27mm

Estimation
2,500€ - 3,000€