14 Karat Yellow Gold Enamel Pearl and Diamond Pin at 1stDibs Antique Edwardian 14K Gold Bar Pin With Enamel and Pearls, Antique 14k This item is unavailable Etsy Antique Platinum and Yellow Gold Old European Diamond Bar Pin For Sale Diamond and 14 Karat White Gold Ribbon Bar Pin Brooch For Sale at 1stDibs. Stunning and rare piece of Krementz jewelry with lovely blue enamel design and a diamond. Brooch is made of 14k gold and is signed hallmarked. It is in very good condition and functioning perfectly. Upon close inspection, there is a tiny flaw (slight discoloration it seems) in the enamel. I did my best to show this in the photos from multiple angles, but it is difficult to see.