Beschenbach - my mother has that pendant. It is beautiful, not only is the glass seeded, but so is the internal diffuser around the bulb. My mother bought it at home depot, but here in Canada. The web-site you posted is from a Canadian designer, Sarah Richardson. It is possible I guess that home depot in the US doesn't stock it? They can probably get it I would think. In any case, I've pasted the link to the Canadian Home Depot site with the pendant. It is Cdn$65, the Cdn and US dollars are worth pretty close to the same amount now I think.

You'll note that one person on the home depot site reviewed the light saying that it is difficult to change the bulb. My mother has only had it a few months and hasn't changed the bulb yet, so I can't report on that, sorry.

Good luck!

Here is a link that might be useful: Home Depot Pendant Light

The Great Indoors in the US has one in a similar shape, but it's all cracked glass by ELK lighting.

Here is a link that might be useful: ELK pendant at Great Indoors

I saw them at Home Depot. (Doe Home Deport exists in the states. I"m from Canada.) They are the crackled glass and very beautiful.