CbyC are very happy and proud to take the next step in thier jewelry collection by introducing Lab Grown Diamonds and their Floating Diamond Necklace.These necklaces are a modern blend of fine and demi fine, a consists of a certified diamond pendant with a premium Italian chain in 18K Gold Filled. Lab grown diamonds are diamonds with the same brilliance, clarity, and performance as mined, created in a lab the same way as they are in nature. The lab grown diamonds are in Color E–F, with clarity VVS, Excellent cut, and all IGI certified. Each stone is individually tested and graded to assure premium quality. We hope that you will fall in love with these pieces just as much as we have done. Material: 925 Sterling Silver Stone: Lab-Grown Diamond Chain length: 40 Does it come with certificate? Yes Stone type: Color E–F, with clarity VVS, Excellent cut, and all IGI certified. Each stone is individually tested and graded to assure premium quality.