An early 20th-century diamond pendant

An early 20th-century diamond pendant, the pear-shaped diamond weighs 3.80cts and suspends from an articulated line of circular-cut diamonds millegrain-set in platinum, on a fine-link neck chain measuring 40cm, the diamond pendant detaches to be added to a necklace formed with twenty-one circular-cut diamonds millegrain-set in platinum with a platinum fine-link neck chain, pendant 4cm

Accompanied by report number 2181354154 dated 27 April 2017 from GIA, New York stating that the pear-shaped diamond weighs 3.80cts and is a natural diamond of D colour and VS2 clarity, fluorescence: none

Accompanied by an additional letter dated 26 April 2017 from GIA, New York stating that the pear-shaped diamond is type IIa