Ruby and diamond 'eye' cluster ring

Central cushion cut Burma ruby of approximately 1.30ct.

Tapered calibre cut rubies either side, all within a single cut diamond line border, millegrain set in platinum, trace of a serial number, possibly 3139, French assaymark, accompanied by AGL report no. 80276-69 giving the principal ruby a Burma origin opinion and that the stone shows no evidence of heat treatment.
Weight: 3g