This emerald necklaces features one 7x5mm oval shape emerald gemstone weighing approximately 3/4 carat. There are 19 diamonds in H-I color, SI2-I1 clarity totaling approximately 1/3 carat. Total carat weight is approximately 1 carat. This necklace is in 14 karat white gold and comes with an 18 inch chain with a spring ring clasp.