Tint icing. Tint ½ cup of the 4 lb. icing gold using color combination provided. Combine Golden Yellow and Brown icing colors to get gold color shown. Set aside.
In medium bowl, combine the two icings, 2 cups of the stiff icing combined with 3 cups of the 4 lb. icing for a total of 5 cups of icing. Tint the icing lavender by combining Violet and Rose icing colors to get lavender color shown.
Crumb coat cake using lavender icing. Reserve remaining icing for later step.