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

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

Round brilliant diamonds are the only shape that receive a cut grade ... are certain general parameters for other diamond shapes that need to be within for optimal light performance, each diamond ...

Shop the best diamond engagement ring designs, from classic oval engagement rings to lab diamond engagement rings from brands ...

When exposed to ultraviolet light, the diamond is bright enough to read by. Chip Clark How are diamonds formed? Diamonds are formed deep within the Earth about 100 miles or so below the surface in ...