From the deep Earth’s pressure and heat to the advanced technology of laboratories, this guide takes you through both natural ...

For decades, we have been promised lab-grown diamonds that are brilliant, affordable and free from the environmental pitfalls of diamond mining. But their makers have struggled to deliver quality ...

The rapper purchased the custom-made necklace for the "Sk8ter Boi" singer ... that the jewelry features 50 carats of white and black diamonds, as well as pink sapphires. In an image of the ...