Ask Diamond Mike, Gallery of Diamonds

What is fluorescence? Is it good or bad?

Question What is fluorescence? Is it good or bad Answer Some diamonds fluoresce, which mean they emit light when exposed to long-wave ultraviolet light. Diamonds with strong fluorescence, called "overblues," can sometimes have a hazy appearance that makes them appear cloudy in light with strong ultraviolet content.  On the other hand, strongly fluorescent diamonds with… Continue reading What is fluorescence? Is it good or bad?

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Ask Diamond Mike, Gallery of Diamonds

What is so special about a diamond?

Question What is so special about a diamond? Answer A diamond is born from the earth after a million years of incredible heat and pressure.  It is made of a single component-carbon.  This component is similar to the graphite in your pencil.  The only difference is that the carbon in a diamond has become crystallized,… Continue reading What is so special about a diamond?