With a small drill bit and a tiny vice, you can drill through legos. We made a lego bracelet for a teacher once who was WAY into legos. just hit the corners with a little sandpaper so they don't scratch. We used the singles and some clear, stretchy fishingline like stuff. Just string them side by side like beads. No diamonds...but maybe that would hold you over until the real thing comes along!
I so want it too!