Vintage 18k Yellow Gold Diamond Brutalist Ring

An 18k yellow gold diamond Brutalist ring - a ring featuring seven round brilliant cut diamonds four claw set on a stacked lattice of open square and rectangular motifs above a tapered shank - marked 18ct for 18k gold - diamonds 7= 0.40cts F-G/VS - total weight 8.8grms - dimensions of face 20 x 14mm  - current ring size M AU/UK - c.1970 Australia