Tiffany&Co. Tiffany Knife Edge Ring. Thickness: Approximately 5mm Japanese size: 6.5 There are minor scratches, but the overall condition is good. It will be shipped in a pink pouch via Yu-Packet Post Mini. The item was purchased from authorized brand stores, major pre-owned brand retailers, etc., and is a genuine product that has undergone authenticity verification. To prevent product substitution, returns and exchanges are not accepted. Please check the condition in the photos and purchase only if you understand and agree.