What are Alaska black diamonds?

Answer Alaska black diamonds are not actually diamonds. Rather, they are the mineral hematite, an iron oxide. Hematite is black or gray in color and formed through crystallization. The gem tends to be bri... Read More »

Top Q&A For: What are Alaska black diamonds

Are black diamonds&black onyx the same stone?

Black diamonds and black onyx are two very different stones. Black diamonds are a form of diamond called Carbonado that actually has formed in stellar supernovae explosions. Onyx (and black onyx) i... Read More »

Where do black diamonds come from?

Black diamonds are found in Brazil and the Central African Republic. Although they are found on Earth, scientists believe these diamonds may have originated in outer space. Scientist Stephen Hagger... Read More »

How rare are black diamonds?

Natural black diamonds, called carbonado, are quite rare, found only in Brazil and the Central African Republic. Black diamonds used in jewelry typically are not naturally black but receive their c... Read More »

How much are black diamonds worth?

As of November 2009, a single carat black diamond is worth, on average, $809 to $1,155, while a five carat black diamond is worth $21,263 to $30,375.Source:Black Diamond Prices