The Bryant Park ring

I've been trying to find this ring for a long time. I first discovered this jewelry line at Bryant Park during the holidays, but I didn't take a business card and I forgot the name. So, I Googled " list of vendors Bryant park" and voila! I found it! Shaya is a a line of handcrafted jewelry and you can find it in several stores in NYC, and also at the Can Factory Market in Brooklyn.
I'm very happy I found it, isn't it beautiful? I love the square shape and the hammered finish. I'd like one in yellow gold, please.