10K Yellow Gold 2 to 7 Birthstones Family Mother's Ring FREE ENGRAVING Customizable with 2 3 4 5 6 or 7 birthstones of your choice; The birthstones are high quality CZ, 3.5mm each Solid 10K Yellow Gold. Top width about: 6.0mm to 6.5mm, Leatherette ring box HOW TO ORDER: First, pick the number of stones and the ring size. After that, there is a yellow "Customize Now" button show up. Click on the button, It will have a text field for you to enter the birthstone months. Please note, the stones will be set in the order from left to right as you entered them. Lastly, add it to cart then process the checkout. If you have any question, please feel free to contact us. Thank you