Single stone ruby and diamond cluster ring

Weight: 4.5g
Collet set with a 2.54ct shaped oval facetted Burma ruby.
In a border of round brilliant cut diamonds, millegrain set, the gallery pierced with anthemion, similar to shoulders, gold shank, the shank probably later added, accompanied by a photocopy of AGL report no.CS 48239 giving the Burma origin opinion and that the stone shows no evidence of heat treatment.
Length 1.8cm / 9/16''