@Rhys – The latest versions of the videos (horizontal) with some corrections. Below are two alternative versions. You can download these videos by clicking on the three small dots in the bottom right corner and then selecting « Download ».
introduction
Color/clarity
cut/carat
workmanship
vertical
@Rhys – alternative version pour color/clarity and cut/carat. A few adjustments in one or two parts for better readability on a vertical screen. Perhaps an alternative link below the horizontal version?
color/clarity
cut/carat