Ring face above the finger: 5 mm. Ring Band: 5 mm wide tapper to 3 mm band. Ring weight: 2.4 grams. Gold fineness: Test for 10k Marked 10k inside the ring.Synthetic blue sapphire : Measures 8mm x 6mm. The stone is in perfect condition. Hallmarks : Stamped CROSBY 10K inside the ring. Ring Condition : Excellent vintage new condition. An old jewelry store closeout item. The item "Vintage 1960s Boys / Young Men 10k Yellow Gold Synthetic Blue Sapphire Ring Sz. 7" is in sale since Friday, April 20, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Rings". The seller is "snsfinejewelantiques" and is located in Astoria, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica.