Both these 10 carat diamonds have been given the color grading ‘M’ by GIA. So how does the pear shape one look far more yellow than the round one does? The answer is simple. When diamonds go lower in color they usually posses a yellow tinge. But this isn’t always the case. Sometimes they can actually have a more browner tinge. These browner tinge diamonds will fade up whiter than a yellow tinge diamond. Also another reason is that Round diamonds do tend to give off less color than a fancy shape