This gemstone necklace features one 8x6mm oval shape sapphire gemstone weighing approximately 1 1/2 carats. There are 18 sparkling diamonds in I-J color, I1-I2 clarity totaling approximately 1/5 carat. Total carat weight is 1 3/4 carats. This necklace is in 14 karat yellow gold and comes with an 18 inch box chain with spring ring clasp.