Blue Diamonds
Browse Fancy Blue Diamonds Most people recognize the name when they hear it: Hope Diamond. The Hope
Diamond is the largest blue diamond in the world weighing in at 45.52
carats. Natural blue diamonds are extremely rare. Chances are, the blue
diamonds that you find in your local jewelry store were made by chemists
using methods that mimic conditions that existed millions of years ago.
First, they irradiate the diamond causing the color to change, next, they
give the diamond a heat treatment to stabilize the color. Although most
blue diamonds are not natural, they are difficult to make and maintain
to be more expensive than colorless diamonds.
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