Princess Prongs

2.0: 3mm across x 2.2mm thick, set with a 2mm princess cut cz.

3.0: 4.4mm across by 3mm thick, set with a 3mm princess cut cz.

4.0: 5.5mm across by 3.9mm thick, set with a 4mm princess cut cz.

Shown on a 16g threadless post.