Emerald

“Primagem trapiche emerald showing cat’s eye in segments.” Photo by Jeffery Bergman, © Primagem. Used with permission.

Colombian emerald, 8.81-ct (left), recut to 7.67-ct (right) and enhanced with ExCel by the Clarity Enhancement Laboratory. Recutting the…

A modern ring featuring a Colombian old mine Muzo emerald with insignificant treatment (center) and two emeralds sourced to match. © Jogani Beverly…

Trapiche emerald with cat’s eye effect in segments. Photo by Jeff Scovil, © EightDimensionGems.com of Bangkok. Used with permission.

Rough Colombian emerald (8.23 cts). © Bear Williams, Stone Group Labs. Used with permission.

27.31-ct Colombian emerald cabochons. © Bear Williams, Stone Group Labs. Used with permission.

1.18-ct Colombian emerald with a classic emerald cut. © Bear Williams, Stone Group Labs. Used with permission.

Close-up view of Zambian emerald jardin. Photo: J. Weyer.

Colombian emeralds. Photo by Mauro Cateb. Licensed under CC By 2.0.