Diagem will be the one who could best answer this but my instinct is his response will be that it will not be cost effective to cut in these sizes. I know Octavia is an extremely labor intensive cut and I know the time it takes to cut one in an engagement ring size is no small amount of time. The angles on every facet set have very tight tolerances to produce the optics it has and I can''t even begin to imagine the possibility in melee sizes (although I like the idea too!). We''ll see what Diagem and Karl have to say.
anything under 1ct or so is not cost effective to cut due to labor costs.
There are better designs for melee with larger virtual facets.
Larger diamonds are also selling better than smaller ones so far for them.