Diamonds are GIA graded G in color and VS in clarity. Length 16"-18" (extender included). My wife received this necklace as a gift.She was not crazy about it to begin with, then wore it a few times to see if she liked it on and ended up not liking it. Thanks for checking it out. Please let me know if you have any questions! The item "Roberto Coin 18k White Gold Five-Station Diamond By the Inch Necklace" is in sale since Tuesday, December 11, 2018. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond". The seller is "ohiomd21" and is located in Independence, Ohio. This item can be shipped to United States.