Firstly, I need to say thank you for all the imput and advice that was freely and lovingly given regarding upgrading my ering.
I sort of stumbled onto this forum, after seeing Moissanite on eBay. My goodness, there are some very knowledgable people on this forum who have given their time to respond and post pics that have helped me along the way.
I have considered a DK and an Ancor masterpiece, but lacked the confidence to design a ring that was custom ( before I had even clapped eyes on moisssnaite). I will one day go this route, being totally in awe of the beautiful things they have created for members here.
I decided that upgrade would be stock, and I have just placed my order with MC. I ended up with the Cartier inspired three stone total 2.5 carats in white gold, and a 2 mm channel set eternity band. I had favored a halo, and a cushion solitaire but in the end I was swayed to the three stone. I wanted to keep the size believable, and in keeping with my professional life. I chose amora upgrades for the stones, and can't wait for the 2 weeks until my rings are here!!