Mid-Century Bark Textured Diamond Ring 14k Yellow GoldMid Century Bark Textured Diamond Ring 14k Yellow Gold. This charming Mid Century right hand ring has a very nice bark texture in the 14 karat yellow gold. The ring contains three white gold lines of round brilliant cut diamonds that sit in the same direction as the rest of the textured yellow gold lines. The lovely bark texture combines beautifully with the asymmetrical design to make this a very special statement piece.