https://www.cgtrader.com/3d-print-models/jewelry/pendants/double-cat-pendant
Double Cat Pendant: Dimensions, 10.87 x 15.94 x 15.45mm or 0.43 x 0.63 x 0.51in
The eyes have no gems but, pre-cut for mounting.
Scale up or down as needed.
File size 270k poly