Designed by Andrew Grima of a natural crystal - amethyst set to a freeform 18K gold surmount, accented by 0.10ct diamond

Total item's weight: 21.1gr.

Ring's size: M (can be re-sized)

Dimensions: 30mm x 16mm

Signed, with English hallmarks

Vintage circa 1968, London

Comes with original Grima box and valuation