Inner diameter: 17mm, wide: 5.9mm, USA Size: 6.9# Buyer Tips Jade is not just a commodity, it is more of an art. All our jewelry pieces, which we gain by our own carefully selected, providing customers with the most competitive price and best service . The same price than quality, the same quality than service,we hope you will be satisfied! project is the 100% Natural jadeite, certificates Is China countries qualification accreditation. Free comes with detected certificate,Project and certificate sent together. Product circumstance: Making Process: Genuine handmade Packing: is very perfect shipping worldwide: Everywhere Note: NO.1? About pictures: Jewelry each picture is real shooting, the item you received absolute the same as the photos , color of item might deviate slightly in comparison to the original article due to differences in computer monitors and different lighting conditions . NO.2? About the display:Parameters of the different pictures on different monitors have different displays. we had to display as standard, unable to determine the effect of the item have you see on your monitor, so the transaction will only take the material object as the standard. NO.3? About dimensions: in order to allow you to clearly observe the details of the item, a portion of the image will be larger than the physical, we label size for the standard cursor measurements of the longest, widest, thickest size, error is less than 1 mm, draw on paper before buying item size, experience in actual size, please carefully, do not imagination. NO.4?About The project certificate: every item in the transaction with inspection certificate issued by a State authorized bodies, welcomes any form of formal review! NO.5?My dear friend. Thank you very much for your purchase and choice. If you received the items are satisfied. Please give me a positive feedback, If you receive the items feels unsatisfied. please email to tell me. I can reply you in 24 hours. Thanks a lot. Many blessing you and your family. Item specifics Condition: New without tags : Seller Notes: “Seller's statement: 100% natural stone, New. Leave a fine 100 !! Certificate: International mutual recognition, free delivery!” Style: Ring ?? Color: Green Length (inches): 17.0mm Main Stone Treatment: Not Enhanced Material: 100% Natural Grade A (Type A)Jadeite Jade Main Stone: Jadeite Emerald Jade Theme: Ring ?? Main Stone Creation: Natural Metal Purity: Not Applicable Metal: No Metal Country//Region of Manufacture: China Brand: Handmade Certificate: International mutual recognition, free delivery! UPC: Does not apply