Buying an emerald stone requires careful attention to the "4 Cs"—Color, Clarity, Cut, and Carat—with being the most critical factor in determining its value . Core Buying Factors (The 4 Cs)
: Large emeralds are rare, so the price per carat often doubles as the weight increases . Authenticity and Certification Beginner's Guide to Buying an Emerald Gemstone
: Look for a vivid green or slightly bluish-green . The most valuable stones are medium to dark in tone; if a stone is too light, it may be classified as "green beryl" rather than emerald .
: Popular cuts include the classic emerald cut (rectangular with faceted corners), as well as pear, oval, and round . A good cut should maximize the stone's color and hide inclusions .
: Natural emeralds almost always have visible inclusions called "jardin" (French for garden) . While expected, avoid stones with fractures that reach the surface, as they can impact durability .
