A natural blister pearl and diamond pendant

A natural blister pearl and diamond pendant, the blister pearl suspends from a triangular-cut diamond and a graduated line of baguette-shaped diamonds, with marquise-shaped diamond-set cap in platinum, on a fine-link white gold chain, French control marks, 5.5cm high, chain 42cm long

Accompanied by report number 77112-26 dated 31 July 2017 from GCS, London stating that the blister pearl measures 22.8 x 12.2 x 10.9mm approx. and is a natural blister pearl with no indications of treatment.