May we suggest:
CJ Recht Small Sterling 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 bronze, blackened silver and 14k gold!! The Small Moonscape ring is $180 in sterling, $185 in blackened sterling, and $150 in bronze.