3 1/4" by 2 1/2". It was replaced with a rhinestone. There are a few Rhinestones missing as seen in the pictures.
There is some vermeil loss, as this is an approx. This item is vintage pre-owned and there will be ordinary and normal use marks.
It is fully hallmarked tested and verified. It's PAT # 135177. Comes from a clean, smoke-free home.