The historic legal agreement that arranged for the cutting of the world's largest diamond is being auctioned later this month The story behind the cutting of the world’s largest gem-quality ...

If you or your partner wants a round diamond engagement ring, understanding the importance of cut is key. As the classic ...

When choosing a diamond for a piece of jewelry, especially something as meaningful as an engagement ring, there’s more to ...

Chip Clark The Blue Heart Diamond, cut from a 100-carat stone found at the Premiere Mine in South Africa in 1909, had several owners before being donated to the Smithsonian by Marjorie ...