Inside a lab in South Korea, a rainbow-colored glint caught the eye of a graduate student. This gleam is the product of ...

This process forces carbon molecules to crystallize ... Examples include uneven color distribution and a lack of strain patterns on HPHT diamonds, as opposed to even color distribution and banded ...

Thanks to their mass-production scale and high-quality output, high-pressure and high-temperature (HPHT) diamond and diamond-augmented tungsten carbide are the preferred materials for abrasive ...

Depending on how big a customer wants their diamond to be, it can take six to eight weeks in an HPHT machine to coax ... person begins with cremation. The process typically leaves behind about ...

These days, couples are increasingly involved in the ring selection process ... for scientifically minting these diamonds: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition ...