Known for its innovative implementation of ideas in phone manufacturing, Gresso has always stunned the world of gadgetry. This time again Gresso has taken a step forward in the cell phone industry by offering the Apple iPhone 4 in 200-year-old African Blackwood along with ornamentation of the case in 18K gold and inlaid magnificent black diamond that rarely occurs in nature. Gresso has applied the super-hard titanium Black PVD coating to the steel frame located along the perimeter of the case to emphasize diamond glitter.
Apart from all the bling and glitter, Gresso has completely eliminated the probability of signal loss in iPhone 4 Black Diamond edition through the black PVD coating that works as a perfect dielectric. The iPhone 4 Black Diamond edition is available in the Gresso authorized dealer centers at $10,000.