I have three 14k yellow gold "circle square" rings available. They are

Peridot (8x6mm) w/ upside down set blue diamonds. Ring size 7.  

Amethyst (5x7mm) w/ upside down set diamonds. Ring size 7.

A very pale pink Morganite (9x7mm) w/ upside down set blue diamonds. Ring size 6.5. 

Sizing available

Layaway available