Diamond Authority Phone Cases

132 items

The Great Diamond Authority iPhone Tough Case

McBurgess

$27.08

~~$36.11~~ (25% off)

Pink Diamond iPhone Tough Case

LeCouleur

$29.34

~~$39.12~~ (25% off)

Diamond Motif Pattern Samsung Galaxy Soft Case

arturekdesign

$22.33

~~$29.78~~ (25% off)

"What's the Use of Feeling Blue" Blue Diamond Teardrop Sticker iPhone Tough Case

0Zetgest

$24.83

~~$33.10~~ (25% off)

The Diamond Authority iPhone Tough Case

xDarkHikarix

$28.21

~~$37.61~~ (25% off)

pink diamond Samsung Galaxy Soft Case

Lemchi-

$20.62

~~$27.49~~ (25% off)

Diamond Authority iPhone Tough Case

Atenovx

$28.21

~~$37.61~~ (25% off)

Diamond Authority iPhone Tough Case

LeMorbidArtist

$23.25

~~$30.99~~ (25% off)

White Diamond Samsung Galaxy Soft Case

Melissa McDonald

$23.19

~~$30.93~~ (25% off)

Diamond Wolf iPhone Tough Case

rowgazer

$27.08

~~$36.11~~ (25% off)

blue diamond iPhone Tough Case

Lemchi-

$27.08

~~$36.11~~ (25% off)

white diamond iPhone Tough Case

Lemchi-

$27.08

~~$36.11~~ (25% off)

yellow diamond iPhone Tough Case

Lemchi-

$27.08

~~$36.11~~ (25% off)

Great Diamond Emblem Era 1 Sky Arena (Steven Universe Lore) Samsung Galaxy Soft Case

0Zetgest

$18.90

~~$25.20~~ (25% off)

pink diamond iPhone Tough Case

Lemchi-

$27.08

~~$36.11~~ (25% off)

Yellow Diamond and Blue Diamond The Trial Samsung Galaxy Soft Case

ScaryMath

$20.62

~~$27.49~~ (25% off)

Diamond Authority iPhone Tough Case

BubblyBlu

$27.08

~~$36.11~~ (25% off)

Do not Cry iPhone Tough Case

LadyAzazel

$27.08

~~$36.11~~ (25% off)

The Diamond Authority Samsung Galaxy Soft Case

Shortartchild

$20.62

~~$27.49~~ (25% off)

The Great Diamond Authority Essential Samsung Galaxy Soft Case

wuvuhamqfd35

$20.62

~~$27.49~~ (25% off)

The Diamond Authority iPhone Tough Case

LeeanaMarie

$27.08

~~$36.11~~ (25% off)

Pink Diamonds Flowers iPhone Tough Case

Fknell

$27.08

~~$36.11~~ (25% off)

Yellow Diamond POWER - Bold Opaque Gouache Samsung Galaxy Soft Case

0Zetgest

$18.90

~~$25.20~~ (25% off)

The Diamond Authority iPhone Tough Case

JohnnCat

$29.34

~~$39.12~~ (25% off)

Yellow diamond iPhone Tough Case

KaylaNostrade

$27.08

~~$36.11~~ (25% off)

Minimalist Watercolor Great Diamond Authority Emblem - Steven Universe iPhone Tough Case

0Zetgest

$24.83

~~$33.10~~ (25% off)

The Diamond Authority iPhone Tough Case

Eran Fowler

$30.47

~~$40.62~~ (25% off)

New Diamond Family iPhone Tough Case

Jakeneutron

$27.08

~~$36.11~~ (25% off)

Diamond Authority Emblem with Rainbow - Black Samsung Galaxy Soft Case

SmirkingDesigns

$20.62

~~$27.49~~ (25% off)

Steven Universe Diamond Authority Emblem - Black Samsung Galaxy Soft Case

SmirkingDesigns

$20.62

~~$27.49~~ (25% off)

White Diamond iPhone Tough Case

fionnacakes

$27.08

~~$36.11~~ (25% off)

"Hello, Starlight" White Diamond Gem Sticker Samsung Galaxy Soft Case

0Zetgest

$18.90

~~$25.20~~ (25% off)

Diamond Authority Dot iPhone Tough Case

poppyandpepper

$27.08

~~$36.11~~ (25% off)

the trial iPhone Tough Case

Lemchi-

$27.08

~~$36.11~~ (25% off)

Blue diamond iPhone Tough Case

AxiosKnight479

$27.08

~~$36.11~~ (25% off)

Grumpy Pink Diamond Samsung Galaxy Soft Case

GlobTheBlob

$20.62

~~$27.49~~ (25% off)

Blue Diamond iPhone Tough Case

punkypeach

$31.60

~~$42.13~~ (25% off)

The Diamonds Samsung Galaxy Soft Case

NectarBrush

$20.62

~~$27.49~~ (25% off)

Blue and Yellow Diamond from Steven Universe iPhone Tough Case

artsyandinspire

$31.60

~~$42.13~~ (25% off)

Blue Diamond Stained Glass - Majestic Art Samsung Galaxy Soft Case

conamor-bymel

$20.62

~~$27.49~~ (25% off)

Humanoid Blue Diamond iPhone Tough Case

skeletaldomain

$27.08

~~$36.11~~ (25% off)

The Secret of the Rose iPhone Tough Case

oriana132

$25.96

~~$34.60~~ (25% off)

Blue Diamond iPhone Tough Case

Loucha1996

$27.08

~~$36.11~~ (25% off)

Blue Diamond - Steven Universe iPhone Tough Case

ZnkHucast

$27.08

~~$36.11~~ (25% off)

Updated Diamond Authority Symbol iPhone Tough Case

SmirkingDesigns

$27.08

~~$36.11~~ (25% off)

The Diamond Authority Symbol Fanart iPhone Tough Case

TheDiamondArt

$40.62

~~$54.16~~ (25% off)

The Diamond Authority // Steven Universe iPhone Tough Case

neoinu

$27.08

~~$36.11~~ (25% off)

Diamond Cards iPhone Tough Case

coffee-b

$27.08

~~$36.11~~ (25% off)

White Diamond iPhone Tough Case

Khelekmir

$27.08

~~$36.11~~ (25% off)

Diamonds Sticker Pack iPhone Tough Case

cinnamonpine

$27.08

~~$36.11~~ (25% off)

great alicorn authority w/ text iPhone Tough Case

dovahkiira

$27.08

~~$36.11~~ (25% off)

Diamond Authority iPhone Tough Case

Kellbellz

$29.34

~~$39.12~~ (25% off)

Steven Universe Diamond Authority symbol iPhone Tough Case

SmirkingDesigns

$27.08

~~$36.11~~ (25% off)

Pink Diamondfied Steven Smiling Samsung Galaxy Soft Case

SmirkingDesigns

$20.62

~~$27.49~~ (25% off)

Blue Diamond Singing iPhone Tough Case

SmirkingDesigns

$27.08

~~$36.11~~ (25% off)

Superior Glare Yellow Diamond Steven Universe 3D Kawaii iPhone Tough Case

0Zetgest

$24.83

~~$33.10~~ (25% off)

Yellow Diamond Singing Samsung Galaxy Soft Case

SmirkingDesigns

$20.62

~~$27.49~~ (25% off)

White Diamond Singing iPhone Tough Case

SmirkingDesigns

$27.08

~~$36.11~~ (25% off)

Diamond Singing iPhone Tough Case

SmirkingDesigns

$27.08

~~$36.11~~ (25% off)

pink diamond iPhone Tough Case

ink-pocket

$27.08

~~$36.11~~ (25% off)

The Great Diamond Authority Glory Samsung Galaxy Soft Case

TheDiamondArt

$30.93

~~$41.24~~ (25% off)

pink diamonds shattering Samsung Galaxy Soft Case

Lemchi-

$20.62

~~$27.49~~ (25% off)

Blue Diamond iPhone Tough Case

Brianne Bradley

$33.85

~~$45.14~~ (25% off)

Steven Universe - The Great Diamond Authority iPhone Tough Case

Galaxxi

$29.34

~~$39.12~~ (25% off)

The Diamonds - Steven Universe Samsung Galaxy Soft Case

maevemargaret

$20.62

~~$27.49~~ (25% off)

Steven Universe: Blue Diamond iPhone Tough Case

Heeby Jeebys

$29.34

~~$39.12~~ (25% off)

Steven Universe: White Diamond Samsung Galaxy Soft Case

Heeby Jeebys

$22.34

~~$29.78~~ (25% off)

Steven Universe: Yellow Diamond iPhone Tough Case

Heeby Jeebys

$29.34

~~$39.12~~ (25% off)

Steven Universe: Pink Diamond Samsung Galaxy Soft Case

Heeby Jeebys

$22.34

~~$29.78~~ (25% off)

Blue Diamond #2 Samsung Galaxy Soft Case

BYZAHRAARTZ

$18.90

~~$25.20~~ (25% off)

pink diamond Samsung Galaxy Soft Case

Aman Draws

$18.90

~~$25.20~~ (25% off)

Pink Diamond iPhone Tough Case

AthenaVictoria

$30.47

~~$40.62~~ (25% off)

Steven Universe - White Diamond Repeating Pattern iPhone Tough Case

Galaxxi

$29.34

~~$39.12~~ (25% off)

Blue Diamond Royal Sardines Tin - Vintage Ocean Tears Samsung Galaxy Soft Case

0Zetgest

$18.90

~~$25.20~~ (25% off)

Purple Crystal Diamond iPhone Tough Case

Best-art

$29.34

~~$39.12~~ (25% off)

Little Pink Diamond iPhone Tough Case

Bella-Marinelli

$27.08

~~$36.11~~ (25% off)

Yellow Diamond gets another cat iPhone Tough Case

AncaXBre

$27.08

~~$36.11~~ (25% off)

White Diamond Steven Universe iPhone Tough Case

Alice Parkes

$27.08

~~$36.11~~ (25% off)

Pink Diamond iPhone Tough Case

ghostlyhues

$27.08

~~$36.11~~ (25% off)

Pink Diamond iPhone Tough Case

aaron29

$27.08

~~$36.11~~ (25% off)

The Great Diamond Authority Steven Universe Samsung Galaxy Soft Case

SuperrSunday

$24.05

~~$32.07~~ (25% off)

Steven Universe/Pink Diamond iPhone Tough Case

daisycube

$34.99

~~$46.64~~ (25% off)

Blue Diamond iPhone Tough Case

AthenaVictoria

$30.47

~~$40.62~~ (25% off)

Pink Diamond iPhone Tough Case

daisycube

$34.99

~~$46.64~~ (25% off)

Rose Quartz iPhone Tough Case

daisycube

$34.99

~~$46.64~~ (25% off)

The Bits logo Samsung Galaxy Soft Case

The Bits

$20.62

~~$27.49~~ (25% off)

Blue Diamond iPhone Tough Case

Acezuu

$27.08

~~$36.11~~ (25% off)

The Bits logo without border Samsung Galaxy Soft Case

The Bits

$20.62

~~$27.49~~ (25% off)

Steven Universe - Pink Diamond Repeating Pattern iPhone Tough Case

Galaxxi

$29.34

~~$39.12~~ (25% off)

Let Pearl Speak - Pink Diamond Version iPhone Tough Case

Brianne Bradley

$31.60

~~$42.13~~ (25% off)

Become a member.Get 25% off your first order.Plus other neat perks and exclusive savings to help you find the very thing.

Phone Cases

Diamond Authority

Durable, slim, and lightweight, featuring super-bright, high-quality prints that won't fade. Deck out your iPhone and Samsung with Diamond Authority designs. Available options to perfectly fit iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 17 Air, iPhone 16, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16 Plus, iPhone 15, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15 Plus, iPhone 14, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 14 Plus, iPhone 13, iPhone 13 Pro, iPhone 13 mini, iPhone 13 Pro Max, iPhone 12, iPhone 12 Pro, iPhone 12 mini, iPhone 12 Pro Max, iPhone SE (2020), iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone XS, iPhone XS Max, iPhone X, iPhone XR, iPhone 8, Galaxy S26, Galaxy S26+, Galaxy S26 Ultra, Galaxy S25, Galaxy S25+, Galaxy S25 Ultra, Galaxy S24, Galaxy S24+, Galaxy S24 Ultra, Galaxy S23, Galaxy S23+, Galaxy S23 Ultra, Galaxy S22, Galaxy S22+, Galaxy S22 Ultra, Galaxy S21, Galaxy S21+, Galaxy S21 Ultra, Galaxy S20, Galaxy S20+, Galaxy S20 Ultra and more.

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Free Return
Exchange or money back guarantee for all orders
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24/7 Dedicated support
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Diamond Authority Phone Cases

Worldwide Shipping

Secure Payments

Free Return

Local Support

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