Single necklace pendant set with large blue topaz: +-28.00ct. surrounded by 1 diamond and brilliants

Single necklace pendant set with large blue topaz: +-28.00ct. surrounded by 1 pear-cut diamond and 85 brilliant-cut diamonds + chain with 35 brilliant-cut diamonds totaling +- 1.60ct. color: I and clarity: SI set in 18kt white gold (marked 750) pendant length 34 mm. chain length 40 cm. weight: 30.70 grams

Estimation
3,000€ - 6,000€