May we suggest:
CJ Recht Small Bronze Moonscape Ring
For those who love the Moonscape pattern, but prefer a smaller moon, here it is….A textured sterling silver disc about 1/2 inch in diameter on a narrow square shank. Also available in silver, blackened silver and 14k gold!! The Small Moonscape ring is $150 in bronze, $180 in sterling and $185 in blackened sterling.