The thickness of the bracelet is 0.35 and it weighs 26.8 grams in 18k gold.
Polysurfaces are presented in 3dm format and all the dimensions are available in the pictures.
STL (Stereolithography, filesize: 30.6 MB), OBJ (OBJ, filesize: 30.6 MB), 3DM (Rhinoceros 3D, filesize: 15.3 MB)