It's hard to tell with the different lighting environments, but these look promising to my eyes:
(Same stone, different vendors)
(Not sure if this has Bowtie but the video is from an Octonus machine, as developed by @Serg on here! Looks like they've used the 'maximum fire' setting, lol.)
There are a few more on there - select your criteria and then select the option to view with pictures (so the button with four squares instead of three lines) and it's easier to sift out bowtie issues more quickly.
Have you had a look at Rarecarat?
Pulls various vendors into one search tool!