This item was purchased approximately 25 years ago. I believe I bought it for around 400,000 yen at the time. There is no certificate of authenticity. It has been cleaned and polished with a special cleaner solution, but there are some minor scratches from use, so please check the photos. 【Details】 ・Stone Type: Ruby, Diamond ・Carat (Weight): Ruby (1.33), Diamond (0.23) ・Weight: Approximately 7.7g (slight variations may occur) ・Metal Type: K18 ・Size: Approximately size 13 ・No certificate of authenticity ・No special case or outer box. ・Cleaned ◆Includes shipping ◆Please understand the nature of used items before purchasing. Please refrain from purchasing if you are sensitive to imperfections. ◆To prevent switching, cancellations after purchase are not accepted. ※If you have any concerns, please comment before purchasing. Color...Gold Material...Gold Ring Size...Size 13 Stone...Ruby Accessories...None Scratches/Discoloration...None