Why Your Diamond Loses Its Fire and How the Right Setting Brings It Back

https://varimail.com/articles/when-bigger-fails-to-sparkle-are-you-sacrificing-brilliance-for-carat-weight/

Why many engagement rings look dull even when the diamond is "clean" Imagine a lighthouse whose glass is fogged with sea spray. The bulb inside still burns bright, but the light that reaches the shore scatters weakly and looks washed out