This listing has a 10k white gold ¼ carat marquise diamond solitaire! It is size 7 and is stamped ¼, 10k. It also has the makers’ mark of 2 Fs with an O (?) in between – I couldn’t be certain if the center was a symbol or a letter. I took this ring to my jeweler for a verbal appraisal. He said the diamond was SI2, F-G color, and valued it in the $450 - $500 replacement value/insurance price range.