I am expecting to get the CADs for my custome-ring today or tomorrow and need to decide on which white gold mixture to go with. I am going with 14k WG, but I can chose from a palladium WG mixture ($75 extra) or a standard nickel WG mixture. My GF has no known allergies to nickel (has been wearing another 14k WG ring from Macy''s for years) and they told me that that would be the only benefit to going with the palladium mixture over the nickel (PD is hypoallergenic). Please provide any advice/experience you can on this subject to help me make the final decision on my e-ring. Thank you!