A diamond and platinum pendant necklace

A diamond and platinum pendant necklacecentering a pear-shaped diamond weighing 3.66 carats, suspending from a pear-shaped diamond weighing 1.51 carats, both with round brilliant-cut diamond surround; estimated total remaining diamond weight: 0.40 carat.Pendant length: 1 1/4 in.; Necklace length: 17 in.provenance:Accompanied by GIA report #2185136440, dated January 25, 2017, stating one 3.66 carat pear-shaped brilliant-cut diamond, J color, I1 clarity.Accompanied by GIA report #2205542955, dated August 27, 2019, stating one 1.51 carat pear-shaped brilliant-cut diamond, J color, SI1 clarity.