Okay, a promising start!
Not much to say other than two notes about the shape.
One is that the gem is actually set the wrong way as I see it. It's a vertical stone rather than a horizontal stone.
The other is that it isn't set on the band itself, but set back away from the hand so that it would rest on the forearm more than the wrist.
And I have an idea for the... style, I suppose, of the braiding/details that holds the gem, but not any actual ideas for the design per se.
http://www.fluidity-design.co.uk/Alchem ... rmlet2.jpgI do like the fact that you've got a contrast going between the two (because I assume this is meant to be both of them and not just two different models)
It's still a good start though!