Mark,
I have indeed played Black Diamond Ranch, though only once. In an earlier version of The Confidential Guide, I rated those five holes 7-8-8-7-5 on the Doak scale, which is no slouch; the only one of the five I really didn't like was the 17th, where it seemed too easy to get a rebound off the quarry wall abve the green. They're a strong stretch of holes, as I said the first time.
However, I would rate the stretch of holes at Pebble Beach higher than that, and I hardly think I am alone there, "God of design" or not.