From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

Blue diamonds worth about 30 billion won have been unveiled, making headlines. According to local media such as Al Jazeera, a ...

A rare blue diamond was displayed Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United ...

Marke is a New York-based brand, and they specialize in classic, timeless rings that are still sleek enough to keep up with ...