.25 Emerald Diamond Necklace in 18k Yellow White Gold.  This modern 18” necklace features a .25 carat emerald and .15 carats of diamonds finished in 18 karat yellow gold on an 18 karat white gold chain. The center stone is emerald cut and has a dark, minty green hue. The primary emerald is prong set and floats in the center of a halo of diamonds. Twenty (20) .0075 carat near colorless diamonds sparkle with elegance and are set in warm, 18k yellow gold. Finished on a classic, 18k white gold chain, this romantic pendant necklace is fashionable, lightweight, and ready to be yours!