Rose gold is created by increasing the copper-colored alloys mixed with the gold and decreasing the silver-colored alloys. 14K rose gold contains as much pure gold as 14K yellow gold but, because of the increased copper, is slightly pinker in color. Rose gold is available in 9K, 14K and in 18K gold.Ordering Rose Gold Jewelry-Online Before ordering rose gold jewelry, you should be familiar with the color of rose gold.4K rose gold contains as much pure gold as 14K yellow gold but, because of the increased copper, is slightly pinker in color. Rose gold is available in 9K, 14K and in 18K gold. Ordering Rose Gold Jewelry-Online Before ordering rose gold jewelry, you should be familiar with the color of rose gold.