“Only 1 in 10,000 diamonds is a fancy color diamond,” said mineralogist ... Subtle variations in boron concentration can create countless different shades, from icy teals to deep oceanic ...

The less color a diamond has ... who can explain the nuances of each diamond’s characteristics View diamonds under different lighting conditions before making a decision Mastering the Four ...

"Investors are increasingly turning to fancy colors because fewer and fewer diamonds being mined today. We are approaching a ...

Examples include uneven color distribution and a lack of ... examples of dozens of markers that can separate the different ...

Labs give diamonds a letter for color (from D to Z) and a label indicating one of 11 ... around 70 percent would get the same grade,” says Ben-Ari. That leaves 30% where a different lab, or a ...