Avent-garde is defined as "displaying ultramodernism or experimental style, especially in art or literature". I think these cufflinks are as modern and chic as you can get! And art is always in the eye of the beholder, so to me these are artistic.
Dimensions (LxWxH): 18mm x 12mm x 2mm (approx.)
Weight per cufflink: approx. 4g (light)