Kate Hudson sure got a rock from her star Chris Robinson — her Asscher-cut ... her engagement ring from Phil Bronstein, a three-stone, three-and-a-half-carat emerald-cut style from Louis Glick.

DeNatale specializes in three-stone rings, a fine selection of square emerald cuts, Asscher cuts, and cushion-cut diamonds. You'll find some pricey things here, but the diamond engagement rings ...