A blue spinel and diamond ring, set with a cushion-shaped blue spinel weighing 6.63 carats, between

A blue spinel and diamond ring, set with a cushion-shaped blue spinel weighing 6.63 carats, between shoulders set with baguette diamonds, mounted in platinum, size N, case

Accompanied by report number 24246 dated 23rd February 2024 from The Gem & Pearl Laboratory, stating that spinel measuring approximately 11.2 x 10.3 x 7.0mm is natural, with no evidence of heat treatment