Cabochon ruby and diamond ring in 18k yellow gold. 0.50 carats in diamonds

Cabochon ruby and diamond ring in 18k yellow gold with approx 0.5 ct in diamonds. Size: 6.75. Width on head: 6mm, Width at shank: 0.8mm.

This Ruby ring is currently size 6.75 and some items can be sized up or down, please ask! It weighs 5 pennyweights and is 18k.