Ruby and diamond ring

Centering a cushion-shaped ruby weighing 4.52 carats to a bombé mount pavé-set with brilliant-cut diamonds and accented by baguette diamonds, size 57^1/2, maker's marks, Italian assay mark for gold.

Accompanied by AGL report no. 11106161, dated 8 October 2020, stating that the ruby is of Thai origin, with indications of heating, with insignificant to minor heating residue in healed fissures.