How To — Buy Emeralds

: These are expected and can include liquid, gas, or other minerals.

: This rectangular step-cut was specifically designed to protect the stone from chipping while maximizing color.

: The most desirable emeralds have a medium to medium-dark tone. If the tone is too light, the stone is considered green beryl.

Buying an emerald is a complex process that requires balancing the "4Cs"——alongside considerations for treatments and origin. Unlike diamonds, emeralds are prized primarily for their rich green hue and unique internal "gardens" (inclusions), which are often accepted as proof of authenticity. 1. Evaluate the 4Cs of Emeralds

: Nearly all emeralds contain natural inclusions, often called a jardin (French for "garden").