铂金镶嵌5.28克拉方形蓝宝石,两旁配镶祖母绿形钻石,分别重约1.86及1.70克拉,戒指6号,附Gübelin、SSEF及GIA证书 证书
Gübelin, 2019, report no.19023020, 5.28 carats, Kashmir,
no indication of heating, information sheet titled unheated
sapphires
SSEF, 2019, report no. 105161, 5.281 carats, Kashmir, no
indications of heating
GIA, 2012, report no. 2146140978, 1.86 carats, F color, VS2 clarity
GIA, 2012, report no. 2136382653, 1.70 carats, E color, VVS2 clarity
Please note that the reports are more than 5 years old
and might require an update