I suspect it looks similar underneath the apple leaves, but I haven't tried moving her to see. If quail are anything like chickens, they do not appreciate being disturbed while on the nest and could abandon the eggs if you get too intrusive or try to move them off the nest. This is a defense against predation since ground nesting birds survive by remaining concealed. If their nest is discovered, it usually means it is already too late and they should try again later.
Button quail don't always build a true nest. Sometimes, they simply lay eggs in a slight depression in the earth. But they do tend to make a little bed of straw or leaves under the eggs to help insulate and keep them warmer.
Last year, I would do a quick search each day, looking for quail eggs. Terra would lay eggs regularly, sometimes skipping a few days. Most of the eggs were laid near the walls or corners, like these ones. They were laid just inside the door into the aviary. Not a great spot for a nest.
Quail eggs are significantly larger than parakeet eggs, but darker brown and speckled for camouflage. Terra would pick a new spot each time I found an egg, so I had to keep my eyes peeled for the little things. She managed to gather a full clutch once by hiding them inside that little house, but I usually found her nests before she got that far. Just like this time, I noticed that she was missing and searched until I located her nest. But since I wasn't in a good position to allow her to hatch the eggs, I collected them instead of leaving them under her.
Since I have a lot of female birds in my aviary, I am careful to provide a lot of calcium supplements to protect against egg-binding and other complications.
These are three kinds that I like:
I offer them in little trays at ground level for the quail and higher up for the parakeets. I also mix some of the oyster shell calcium in with the seed and herb mix in my foraging trays so the birds will find it while hunting for seeds.