Circa. 1925-1930 European 18K white gold, tested with 18K acid. 5 single-cut diamonds, flush mounted into band. All diamonds tested with a diamond tester. Total diamond weight is approximately .15 carats. H color - VVS1 in clarity. Excellent small diamonds. Can be worn as a wedding or anniversary band, or stack with other bands. Size 7 1/2 Can be easily sized by a jeweler. Marked "18K"