Solid Nordic Gold Ring Core Blank Channel Inlay

8mm and 6mm Solid Nordic Gold Ring Core Blank Channel Inlay This gorgeous ring blank is made of solid Nordic Gold. A custom-made center channel groove is perfect for adding inlay material like crushed opal. Nordic Gold is a gold-colored alloy made from four metals, and its recipe is 89% Copper, 5% Aluminum, 5% Zinc, and 1% Tin.  Ring blanks have a 14k yellow gold plating to enhance color on outside.  Material: Solid Nordic Gold  Color: Gold Ring: 8mm x 2.3mm or 6mm  Channel: 4.1mm x 1.6mm Fit: comfort domed US standard whole-size blanks are available Gold plating was added to outside to add more luster Note: Measurements are close/approximate due to finishing and polishing procedures. Removal of the 14k gold plating will expose the raw nordic gold. When exposed, salts/chems will allow it to tarnish for some people, environment is a key factor.