PRMAL - Lab-grown Diamonds & Ethical Fine Jewelry

All handcrafted in Japan

All handcrafted in Japan

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A Beautiful Choice.

Ethical Diamond Jewelry
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PRMAL - Bridal Collection

BRIDAL

PRMAL - Earring Collection

EARRING

PRMAL - Ring Collection

RING

PRMAL - Ear Cuff Collection

EAR CUFF

PRMAL - Necklace Collection

NECKLACE

PRMAL - Bracelet Collection

BRACELET

NEW IN

Pearl Oval Diamond Necklace - PRMAL

Pearl Oval Diamond Necklace - PRMAL

01NBSC029C

Pearl Oval Diamond Necklace

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Pearl Oval Bold Ring - PRMAL

Pearl Oval Bold Ring - PRMAL

01RBSC052C#7

Pearl Oval Bold Ring

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Black Pearl Oval Bold Ring - PRMAL

Black Pearl Oval Bold Ring - PRMAL

01RBSC053C#7

Black Pearl Oval Bold Ring

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Pave Dome Letter Earring - PRMAL

Pave Dome Letter Earring - PRMAL

01PLTR001C

Pave Dome Letter Earring

From ¥116,600

Arch Heart Side Ring - PRMAL

Arch Heart Side Ring - PRMAL

01RHRT001C#9

Arch Heart Side Ring

K10 | ¥189,200
K18 | ¥361,900

Heart Hoop Earring L - PRMAL

Heart Hoop Earring L - PRMAL

01PHRT003C

Heart Hoop Earring L

K10 | ¥122,100
K18 | ¥223,300

Silfra Pave Band Ring - PRMAL

Silfra Pave Band Ring - PRMAL

01RMAR004C#7

Silfra Pave Band Ring

K10 | ¥137,500
K18 | ¥273,900

Silfra Band Ring - PRMAL

Silfra Band Ring - PRMAL

01RMAR005C#7

Silfra Band Ring

K10 | ¥129,800
K18 | ¥258,500

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LAPSE SERIES

Find Pearls

Infinity Collection

TRENDING

Massive Wave Double Finger Ring - PRMAL

Massive Wave Double Finger Ring - PRMAL

01RDBF002C#S

Massive Wave Double Finger Ring

K10 | ¥172,700
K18 | ¥314,600

Heart Hoop Earring M - PRMAL

Heart Hoop Earring M - PRMAL

01PHRT002C

Heart Hoop Earring M

K10 | ¥90,200
K18 | ¥156,200

Massive Wave Ring - PRMAL

Massive Wave Ring - PRMAL

01RBSC033C#7

Massive Wave Ring

K10 | ¥144,100
K18 | ¥255,200

Limited-Time Order

Pearl Oval Dome Ring - PRMAL

Pearl Oval Dome Ring - PRMAL

01RBSC043C#7

Pearl Oval Dome Ring

Sold Out

Rota Hug Ring - PRMAL

Rota Hug Ring - PRMAL

01RHUG002CP#7

Rota Hug Ring

From ¥200,200

Limited-Time Order

Pearl Oval Ring - PRMAL

Pearl Oval Ring - PRMAL

01RBSC026C#3

Pearl Oval Ring

Sold Out

Facet 1ct Oval Ring - PRMAL

Facet 1ct Oval Ring - PRMAL

01RBSC036C#7

Facet 1ct Oval Ring

K10 | ¥341,000
K18 | ¥523,600

Double Finger Ring - PRMAL

Double Finger Ring - PRMAL

01RDBF001C#S

Double Finger Ring

K10 | ¥157,300
K18 | ¥281,600

Hoop Mixture Diamond Earring S - PRMAL

Hoop Mixture Diamond Earring S - PRMAL

01PHPB013C

Hoop Mixture Diamond Earring S

K10 | ¥70,400
K18 | ¥119,900

Passage Station Earring M - PRMAL

Passage Station Earring M - PRMAL

01PSTN002C

Passage Station Earring M

K10 | ¥125,400
K18 | ¥166,100

Wave Ring - PRMAL

Wave Ring - PRMAL

01RBSC031C#7

Wave Ring

K10 | ¥107,800
K18 | ¥189,200

Limited-Time Order

Grand Black Pearl Oval Dome Ring - PRMAL

Grand Black Pearl Oval Dome Ring - PRMAL

01RBSC044C#7

Grand Black Pearl Oval Dome Ring

Sold Out

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Letter Series

Wave Collection

Lookbook

Limited-Time Order

Black Pearl Oval Ring - PRMAL

Black Pearl Oval Ring - PRMAL

01RBSC024C#3

Black Pearl Oval Ring

Sold Out

Limited-Time Order

Black Pearl Oval Earring M - PRMAL

Black Pearl Oval Earring M - PRMAL

01PHOP014C

Black Pearl Oval Earring M

Sold Out

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Rota Half Eternity Hug Ring - PRMAL

Rota Half Eternity Hug Ring - PRMAL

01RHUG001CP#7

Rota Half Eternity Hug Ring

From ¥294,800

Rota Hug Ring - PRMAL

Rota Hug Ring - PRMAL

01RHUG002CP#7

Rota Hug Ring

From ¥200,200

0.3ct Marquise Diamond Bracelet - PRMAL

0.3ct Marquise Diamond Bracelet - PRMAL

01BBBC013C

0.3ct Marquise Diamond Bracelet

K10 | ¥123,200
K18 | ¥185,900

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Wave Bangle - PRMAL

Wave Bangle - PRMAL

01BBNG001C

Wave Bangle

K10 | ¥382,800
K18 | ¥748,000

Massive Wave Double Finger Ring - PRMAL

Massive Wave Double Finger Ring - PRMAL

01RDBF002C#S

Massive Wave Double Finger Ring

K10 | ¥172,700
K18 | ¥314,600

Mixture Pave Dome Ring - PRMAL

Mixture Pave Dome Ring - PRMAL

01RBLD003C#6

Mixture Pave Dome Ring

K10 | ¥216,700
K18 | ¥357,500

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Infinity Wave Dome Ring [Pear] - PRMAL

Infinity Wave Dome Ring [Pear] - PRMAL

EG019TP10A#B

Infinity Wave Dome Ring [Pear]

From ¥706,200

Heart Hoop Earring M - PRMAL

Heart Hoop Earring M - PRMAL

01PHRT002C

Heart Hoop Earring M

K10 | ¥90,200
K18 | ¥156,200

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Heart Half Eternity Ring - PRMAL

Heart Half Eternity Ring - PRMAL

01RDIA002C#9

Heart Half Eternity Ring

K10 | ¥357,500
K18 | ¥502,700

Emerald Half Eternity Ring - PRMAL

Emerald Half Eternity Ring - PRMAL

01RDIA003C#9

Emerald Half Eternity Ring

K10 | ¥454,300
K18 | ¥693,000

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About Us

Store

News

Featured in MAQUIA – May 2026 Issue

March 21, 2026

Featured in MAQUIA – May 2026 Issue

Our pieces were featured in MAQUIA, one of Japan's top beauty magazines.

ISETAN SHINJUKU PRMAL Pop-up Store 2026

March 09, 2026

ISETAN SHINJUKU PRMAL Pop-up Store 2026

Experience PRMAL's jewelry at ISETAN SHINJUKU. Limited pop-up store open March 18-24, 2026. Discover Kofu-crafted fine jewelry in the heart of Tokyo.

andGIRL PLUS vol.4

March 09, 2026

andGIRL PLUS vol.4

Our pieces appeared in the No.4 issue of andGIRL PLUS, a leading Japanese fashion magazine.

View All Articles

Lab-Grown Diamonds

Alongside trusted gemstone experts, we select only the finest lab-grown diamonds sourced from top suppliers worldwide. Each stone is chosen with rigorous standards, delivering exceptional brilliance and enduring beauty.

Craftsmanship

Rooted in Kofu, Japan’s renowned jewelry-making region, each piece is meticulously crafted by skilled artisans. Their mastery of both traditional techniques and modern design ensures PRMAL’s uncompromising quality.

Shipping

We offer complimentary domestic shipping within Japan and secure international delivery worldwide. Every order is handled with care and delivered responsibly to our customers.

After-Sales Support

From resizing and cleaning to repairs, our dedicated support team provides attentive after-care. We offer a comprehensive maintenance program to ensure your jewelry stays beautiful for years to come.

A Beautiful Choice.