Hello Ann,
We are a Beaudry dealer. On Michael''s couture collection they are available with their diamonds only. The rest of his collection is available for you to supply the center diamond if you wish. He has just introduced a new collection called "Beautique" which is very nice and has price points in the $2,000.00 and up range not including the center diamond. For the fans of this engraved deco design this collection will be the hotest collection in America. They are priced on my site including the center diamond buy are available in a semi-mounting. Check them out at www.pearlmansjewelers.com