Royal Blue Enameled, Hedgehog Ruby Pin, Hallmarked, CG, 750 GoldMid-Century Pin features 1-1/2 inch in length by 1 inch wide, pin of quality workmanship Hallmarked CG, 750Detailed eyes of bezel set rubies, feet with detail and white gold locking pinEnameling is a deep royal blue color.GIA Gemologist inspected and evaluated