By / Rosie Jane Leila Lou: released in 2010, fresh, floral and green, about 5h on skin, projection 5/10, sillage 3/10. The alternatives below are matched to that profile.
The closest By / Rosie Jane Leila Lou dupe we found is Jessica McClintock — 79% match, about $35 (estimate) versus about $105 for a 100 ml bottle.
The five closest scent matches — the best By / Rosie Jane Leila Lou dupes we found, ranked by opening & dry-down similarity:
| # | Alternative | Scent match | Est. price (100 ml) | Longevity vs By / Rosie Jane Leila Lou | Projection |
|---|---|---|---|---|---|
| 1 | Gwen Stefani L | 84% | about $25 (−76%) | 6h vs 5h | 6/10 |
| 2 | Jessica McClintock | 79% | about $35* (−67%) | 6h vs 5h | 6/10 |
| 3 | Benefit Maybe Baby | 84% | about $65 (−38%) | 5h vs 5h | 5/10 |
| 4 | Gap Grass | 77% | about $35 (−67%) | 4h vs 5h | 7/10 |
| 5 | Kuumba Made Lily of The Valley | 76% | about $10 (15 ml) | 5h vs 5h | 5/10 |
Leans into a similar fresh white floral territory as By / Rosie Jane Leila Lou with a clean green edge.
It shares its white floral, fresh and green accords with By / Rosie Jane Leila Lou, lasts about 6h against 5h and carries 1,185 community ratings.
Offers a dew-kissed green floral interpretation reminiscent of the opening of By / Rosie Jane Leila Lou.
It shares its white floral, green and fresh accords with By / Rosie Jane Leila Lou, lasts about 5h against 5h and carries 79 community ratings.
Evokes the sparkling pear and floral brightness of By / Rosie Jane Leila Lou, anchored by a soft musky warmth.
It shares its floral, white floral and fruity accords with By / Rosie Jane Leila Lou, lasts about 6h against 5h and carries 1,154 community ratings. It is listed as discontinued, so availability varies.
Shares the juicy nectarine and fresh floral sweetness found in By / Rosie Jane Leila Lou.
It shares its fruity, powdery and sweet accords with By / Rosie Jane Leila Lou, lasts about 5h against 5h and carries 490 community ratings. It is listed as discontinued, so availability varies.
Captures the vibrant freshly-cut lawn character present in the top notes of By / Rosie Jane Leila Lou.
It shares its green, fresh and floral accords with By / Rosie Jane Leila Lou, lasts about 4h against 5h and carries 263 community ratings. It is listed as discontinued, so availability varies.
Gwen Stefani L, at about $25 for 100 ml (estimate) — around 75% less than By / Rosie Jane Leila Lou.
Jessica McClintock, at about 6h on skin, against about 5h for By / Rosie Jane Leila Lou.
Gwen Stefani L, at 84% overall scent match across the opening and the dry-down.
At 4 sprays a day — about 146 ml a year — Gwen Stefani L saves you about $115 a year against By / Rosie Jane Leila Lou. Both priced at 100 ml; prices are estimates.
Across 2,358 originals, the median designer bottle is $120 and its closest match $30 — the Dupe Report 2026.
On an 8-hour day, none of the 5 last a full 8 hours. Jessica McClintock Jessica McClintock comes closest at 6.1h, so it needs one re-spray to cover the day.
By / Rosie Jane Leila Lou notes, performance and price
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Updated 2026-09-03.