ca 17.4 cts and marquise-cut diamonds total weight ca 2.50 cts, platinum and 18K gold, size 16.5/52 (with resizing insert), total weight 11 g. French hallmarks. Report from Gübelin, nr 17110015, for the sapphire stating no indications of heating.
According to information given the ring is made by Boucheron. Accompanied by a box from Boucheron.
300 000 - 350 000 SEK
30 242 - 35 282 EUR