There is no 100% pure gold, because there is currently no such science and technology. The current pure gold is red-yellow, but due to the development of modern technology and advanced technology. Pure gold also comes in beige. After the gold is melted and cooled, the color is bright and uniform, the surface is smooth and free of impurities, and it is pure gold. Some of the gold on the market today is whiter, and some is yellower. It's because of electroplating. The picture is pure gold color for reference: