I have come to the decision that I am stopping at 6g and NOT stretching any further. So my lovely 4g earrings aren't going to pan out, and have never been worn.
I have a pair of 4g silicone Kaos hider plugs v1.5 - $5
And a really sweet pair of 4g hanging horn earrings - $15
(this is a photo I found of the design and not one I took, but very close)