What is the color under the lace???? Green or blue???
If you can't track down that dress - you may have luck having it made via an artist on etsy. Also check www.preownedweddingdresses.com
here is one that has a green underlay and lace overlay from the preowned site:
http://www.preownedweddingdresses.com/dresses/view/48721/Jin-Wang-Size-14.html