Fragrance comparison

So Black Oud vs Black Diamond

Notes, accords, longevity, sillage, seasons and community ratings, side by side.

Updated 11 Oct 2026 8 ratings analysed

So Black Oud

Keyth

4.004 votes

Rank #42,379 IrisPowdery

Full profile Similar & dupes

44%scent match

Some overlap

3 wins

Black Diamond

AMORINO

2.504 votes

Rank #64,704 CitrusWoody

Full profile Similar & dupes

Quick verdict

Which one should you pick?

Black Diamond takes 3 of 4 categories.

So Black Oud
Choose it for a iris and powdery character. Wins on fragranxe ranking. Best in fall, evening wear.
Black Diamond
Choose it for a citrus and woody character. Wins on longevity, sillage & projection and value for money. Best in summer, evening wear.

So Black Oud1/4

Black Diamond3/4

Ratings & consensus: Not scored
Community sentiment: Not scored
Longevity: Black Diamond
Sillage & projection: Black Diamond
Value for money: Black Diamond
Versatility: Not scored
Note pyramid (duration): Not scored
Fragranxe ranking: So Black Oud

Head-to-head breakdown

Every category side by side, with the winner called out.

Fragrance

So Black OudKeyth

Black DiamondAMORINO

Winner

Ratings & consensus

Average rating and ownership split

4.00/ 5 · 4 votes

Have 23%Had 15%Want 62%

2.50/ 5 · 4 votes

Have 25%Had 17%Want 58%

Category winnerNot enough dataRating weighted by vote count

Community sentiment

How voters split from love to hate

0%Love

100%Like

0%Ok

0%Dislike

0%Hate

4 votes · too few to score

0%Love

25%Like

25%Ok

25%Dislike

25%Hate

4 votes · too few to score

Category winnerNot enough dataMost positive mix (25+ votes)

Longevity & sillage

0–100 community performance scores

⏱ Longevity60

〰 Sillage25

♥ Love / hate75

⏱ Longevity80

〰 Sillage69

♥ Love / hate38

Category winners

LongevityBlack Diamond

SillageBlack Diamond

Value for money

How fairly priced voters find it

¤ Price value25

¤ Price value56

Category winnerBlack DiamondBest value score

Main accords

Strength of each scent family · outlined = shared by both

iris100%

powdery88%

woody77%

amber65%

violet53%

earthy42%

citrus100%

woody91%

powdery83%

floral74%

violet65%

vanilla56%

Scent match44%Some overlap · both powdery, woody and violet

Note pyramid (duration)

Top, heart and base, with how long each lasts when known · gold = shared

Top

Lemon

Heart

IrisJasmine

Base

CedarwoodAmberVanillaSandalwoodPatchouli

Top

BergamotMandarin OrangeAniseLemonCloveLime

Heart

IrisVioletJasmine SambacFlower Petals

Base

VanillaSandalwoodWhite MuskPatchouliCedarwoodGuaiac Wood

InformationalShared notesLemon, Iris, Cedarwood and Vanilla. Note durations are not published for these fragrances, so this is not scored.

Seasons & time of day

Relative to each fragrance's best season

Spring0

Summer0

Fall100

Winter50

Day50

Night100

Spring75

Summer100

Fall100

Winter100

Day75

Night100

Category winnerNot enough dataMost year-round

Who wears it

Gender appeal votes

Men0

Unisex67

Women33

Men50

Unisex50

Women0

InformationalProfile onlyAudience is not scored

Ranking & credits

Fragranxe overall rank, nose and launch

Overall rank#42,379

PerfumerNot listed

Launched—

Reviews2

Overall rank#64,704

PerfumerNot listed

Launched—

Reviews0

Category winnerSo Black OudHigher overall rank

In a nutshell

Description & review snapshot

So Black Oud by Keyth opens with a bright citrus sparkle before settling into a powdery iris heart. This unisex composition rests on a resinous base of amber and sandalwood. It is a skin-focused woody fragrance, best suited for intimate moments during cooler autumn evenings when you want a subtle, sophisticated scent …

Reviews →

Amorino Black Diamond opens with a burst of zesty bergamot and mandarin orange, quickly shifting into a dry, iris-centered heart. A base of warm vanilla and cedarwood anchors this scent, making it a solid choice for cool autumn evenings spent in casual settings.

Reviews →

InformationalRead bothTaste is personal

How we score: ratings blend public fragrance ratings with Fragranxe member votes; longevity, sillage, value and sentiment are community vote scores, and season bars are relative to each fragrance's strongest season. Categories with too little data are shown but not scored. The scent match weighs accord overlap (60%) and shared notes (40%). More in the FAQ.

Common questions

Straight answers from the data above.

Which is better, So Black Oud or Black Diamond?

Black Diamond takes 3 of 4 categories. So Black Oud is rated 4.00/5 from 4 votes; Black Diamond is rated 2.50/5 from 4 votes. Choose So Black Oud for a iris and powdery character. Wins on fragranxe ranking. Best in fall, evening wear. Choose Black Diamond for a citrus and woody character. Wins on longevity, sillage & projection and value for money. Best in summer, evening wear.

Which lasts longer, So Black Oud or Black Diamond?

Black Diamond lasts longest (Black Diamond 80/100, So Black Oud 60/100), based on community performance votes.

Which projects more, So Black Oud or Black Diamond?

Black Diamond projects furthest (Black Diamond 69/100, So Black Oud 25/100), based on community performance votes.

Do So Black Oud and Black Diamond smell similar?

Some overlap: a 44% scent match on Fragranxe. Both share powdery, woody and violet accords. Common notes include Lemon, Iris, Cedarwood and Vanilla.

Is So Black Oud or Black Diamond better for summer or winter?

So Black Oud suits evening wear; Black Diamond suits evening wear. Based on community season votes.

What are the notes in So Black Oud and Black Diamond?

So Black Oud has top notes of Lemon, heart notes of Iris and Jasmine, a base of Cedarwood, Amber, Vanilla and Sandalwood. Black Diamond has top notes of Bergamot, Mandarin Orange, Anise and Lemon, heart notes of Iris, Violet, Jasmine Sambac and Flower Petals, a base of Vanilla, Sandalwood, White Musk and Patchouli.