BVLA's Flat Lotus 

(pictured) with Bezel 4.5m Threadless 14k Solid Yellow Gold with 1.25mm synth Light Lavander opal.

Or Rose same sizes Rose with blue green synthetic opal

Most pieces can be special ordered in:

* any color gemstones

*color gold, also available in 14k and 18k

* threaded or threadless