A rare square 37-carat emerald owned by the Aga Khan fetched nearly USD 9 million at an auction in Geneva on Tuesday. Details here.

VRAI shares what the most popular diamond shapes for engagement rings mean, plus tips to choose the best one for your partner ...

That being said, it's important to understand and keep in mind the 4 C's of diamonds: cut, color, clarity, and carat, to ensure you're purchasing a ring that has value and is of the highest quality.