.2000s .925 modernist South African designer Onyx gemstone sterling silver signet geometric seal ring

A modern silver and Onyx geometric detailed gemstone signet seal ring.

Simply marked 925, this silver signet ring is a substantial size.

The onyx stripe runs diagonally over the “head” of the signet ring.

The head size has dimensions of 13mm x 15mm.

The ring is a wide ring size with a very roomy inside ring diameter of 20.5mm (ring size U 1/2).