Washing a Viscose Rayon Dress?

I have a dress that's made of viscose rayon nylon lining and the instruction on the garment states dry clean. Can my garment be hand washed? It's a more than $200 dollar maxi dress by Ranna Gill. I love the dress, but it's just a hassle to dry clean one garment for me! I guess if I have to I can dry clean it, but I wonder if there's any suggestion to clean this dress easier? Thanks!