Thats the ones I have and I managed to get them half price in a sale.
I mistook the set in the catalogue for them but they are the next set down online which are channel set.
I have recently sold all my old rings,earrings etc and have bought a white gold ring with 7 diamonds almost the same style as the Argos one.
I must admit they look the same and only I know that one cost a bomb and the other £14.99.
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PS,I must learn how to do links.