17" Lab Grown Diamond Eternity Necklace featuring graduating size diamonds that have a total diamond weight of 10.21 carats. The largest diamond is in the middle of the necklace and is approximately 5.06mm or 1/2 carat graduating down in the back to 2.6mm each or approximately 0.06 carats. The necklace is 17" in length but can be shortened if necessary, by our professional jeweler. The diamonds are set in 14k white gold.