gold ring with sapphire

An 18 carat rhodinated white gold five stone ring set with 5 large natural cushion cut sapphires (app. 3.3 ct., most likely Madagascar and Cambodia of which two are heated and three are untreated NEL certificate E2420142) There are two diamonds (app. 0.08 ct) between each sapphire

weight: 7.59 grams
dimensions: 8 x 4 mm
ring size: 20.5 mm / US 11