According to the post office, the last day I can ship packages in time for Christmas delivery is fast upon me*. Since I make rings to order (I do try to keep some finished rings in stock, but that stock is seriously depleted as of this post), I need time between your order, and shipping your order out.
That means Sunday is the last day I can promise to get your ring out before my deadline. And that will be pushing it, but I am here for you! Let's do it!
*This pertains to continental US orders, for the rest of the world, I am not sure what to tell you. So much of it depends on each country's customs enforcement.