Nope - the band is yellow gold and I believe the lining on the top is white gold per the jeweler.
He went to a small local business that has been around for years that had estate pieces. I definitely seem to trust them based on their reviews and them not trying to upsell.
We had looked at a few places and went to one chain (Shane co) just to get an idea of what I may like. They found out he as an attorney and started bringing out $15k diamonds. I promptly made us leave.