This Emerald and Diamond Halo Pendant Necklace is made of 18K white gold and weighs 1.0 DWT (approx. 1.56 grams). It contains a 0.34 carat Pear cut Emerald center stone, surrounded by 11 round cut diamonds weighing a total of 0.33 carats, G color, VS clarity. The chain is 18" with adjustments, pendant is approximately .5" across.