Rose
Five reviewers who know J’adore compare the two. Three find it very similar, one of them after wearing both at once; one finds more rose in it; one sees no resemblance. Wear time is four to six hours.
We list it as a match for one original, Dior J'Adore. It is provisionally scored 8 for accuracy and 9 for longevity, from $20: we don't yet have a source for those scores that you can check. It is the highest-scored match among the 4 we list for J'Adore.
Provisional scores: no source for them that you can check yet.
Against Dior J'Adore, Lattafa Washwashah has a provisional accuracy 8 — a score we can't yet back with a source you can check. At $20–$35 versus $185, it's a low-risk way to sample the style, not a verified match.
Every pairing shows where it comes from and how far we trust it.
Jasmine-ylang-musk profile frequently compared to J'adore with stronger projection.
What is missing: a source for these scores that you can open and check. Until we have one, the scores are drawn hatched, not solid.
Wear Washwashah or J'Adore? Tell us how they compare. Reports like yours are what move a match up a level.
The other 3 matches we list for Dior J'Adore, in our ranking.
Five reviewers who know J’adore compare the two. Three find it very similar, one of them after wearing both at once; one finds more rose in it; one sees no resemblance. Wear time is four to six hours.

Two reviewers who know J’adore compare the two: one calls it very, very close to the original, a clean pear and peach floral with plenty of jasmine; the other calls it a pretty copy. Both say it lasts well; neither gives a wear time in hours.

ALT Fragrances sells L'amour as its version of Dior J'adore EDP.
The 30 best-tested dupes under $40, as a PDF. You join our email list too: rare emails, no spam.