MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURYThe central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old brilliant and single-cut diamonds,sapphire stated to weight 9.29 carats, length 4.5cmFor further information on this lot please visit theProvenance: Apanied by a report from The Gem & Pearl Laboratory stating that the sapphire is of Sri Lankan origin with no indications of heat treatment. Report number 22027, dated 19th August 2022.Apanied by a report from Lotus stating that the sapphire, weighing 9.29 carats, as stated by the client, is of Burmese origin with no indications of heat treatment. Report number 9231-9880, dated 17th January 2022.Apanied by a report from AIGS stating that the sapphire, weighing 9.29 carats, as stated by the client, is of Burmese origin with no indications of heat treatment. Report number GF21031856, dated 30th March 2021.Apanied by a report from GRS stating that the sapphire, weighing 9.29 carats, as stated by the client, is of Burmese origin with no indications of heat treatment. Report number GRS2015-111305 dated 17th November 2015.