Jewelry designer Alex Moss exclusively tells PEOPLE what it was like collaborating with the rapper on the piece, plus, unique details about the design ...

The white diamonds -- all 154.39 carats of them -- are pavé set across the face, and there's also a 1-carat heart-shaped diamond placed in the hand of the clock.

The video, set against a black backdrop, gave a 360-degree view of his new Cogsworth chain, the animated clock character from Beauty and the Beast.