The Vintage Yellow Gold, Diamond, and Sapphire Bulldog Brooch by Erwin Pearl is crafted from 18k yellow gold and features a gold bulldog with circular-cut sapphire eyes and a round brilliant-cut diamond collar. Signed E. Pearl, this brooch measures 2 x 1 inches. Erwin Pearl, renowned for his innovative designs, was honored with many prestigious awards, including the Diamond International Award in London, which he won for five consecutive years.