Straight wedding ring matches:
This prong set solitaire diamond engagement ring you see has a setting style that allows a straight wedding band to sit well with it.
The engagement ring diamond setting sits above the band and does not protrude from the side of the base of the engagement ring band which allows a straight wedding band.
Other wedding ring suggestions:
The wedding ring pictured is a simple white gold wedding ring. A channel set diamond wedding ring would also suit this engagement ring style.

This bezel set solitaire diamond engagement ring has a setting style where the diamond is set high above the engagement ring band, allowing a straight wedding band to be worn with it.
The engagement ring diamond setting sits above the band and does not protrude from the side of the base of the engagement ring band which allows a straight wedding band.
Other wedding ring suggestions:
The wedding ring pictured is a simple yellow gold wedding ring. A channel set diamond wedding ring or a hammer set diamond wedding ring would also suit this engagement ring style.

This bezel set solitaire diamond engagement ring has a setting style where the diamond is set high above the engagement ring band, allowing a straight wedding band to be worn with it.
The engagement ring diamond setting sits above the band and does not protrude from the side of the base of the engagement ring band which allows a straight wedding band.
Other wedding ring suggestions:
The wedding ring pictured is made in half white gold and half yellow gold. The wedding band could be made in all white gold, to better match the white gold in the engagement ring.

This prong set solitaire diamond engagement ring has a setting style that allows a straight wedding band to sit well with it.
The engagement ring diamond setting sits above the band and does not protrude from the side of the base of the engagement ring band which allows a straight wedding band.
Other wedding ring suggestions:
The wedding ring pictured is a simple white gold wedding ring. A channel set diamond wedding ring would also suit this engagement ring style.

This bezel set solitaire diamond engagement ring has a setting style that allows a straight wedding band to sit well with it.
The engagement ring band is the same width as the diamond setting.
The setting does not protrude from the side of the base of the engagement ring band which allows a straight wedding band.
Other wedding ring suggestions:
The wedding ring pictured is an engraved yellow gold wedding ring. The engraved band could also be made in white gold to match the engagement ring’s white gold band.

Straight wedding ring does not match:
This prong set princess cut diamond engagement ring has a setting style where the diamond setting sits low on the band.
The diamond setting protrudes from the side of the base of the engagement ring band which does not allow a straight wedding band to sit well with it.
You can see that there is a noticeable gap between the two bands.
A fitted wedding ring would suit this engagement ring better.