Edwardian single stone fancy very light bluish-green diamond and 18ct gold ring

Birmingham 1901, maker's mark L&L

The cushion cut 0.70ct fancy coloured diamond claw set in a openwork scalloped mount, tapering D shaped shank, hallmarked, accompanied by GCS report no. 5782-2423 giving the 0.70ct weight, fancy very light bluish-green colour and of I1 clarity, Ia type
Weight: 4.5g