PRMAL - Lab-grown Diamonds & Ethical Fine Jewelry

All handcrafted in Japan

All handcrafted in Japan

PRMAL Hero Image

A Beautiful Choice.

Ethical Diamond Jewelry
[PRMAL]

SHOP NOW

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

Apex Diamond Necklace - PRMAL

Apex Diamond Necklace - PRMAL

01NBSC030C

Apex Diamond Necklace

Coming 9.18 20:00

Frost Pear Inset Ring - PRMAL

Frost Pear Inset Ring - PRMAL

01RATG003C#9

Frost Pear Inset Ring

Coming 9.18 20:00

Frost Pear Stud Earring - PRMAL

Frost Pear Stud Earring - PRMAL

01PATG004C#L

Frost Pear Stud Earring

Coming 9.18 20:00

Frost Inset Hoop Earring - PRMAL

Frost Inset Hoop Earring - PRMAL

01PATG005C

Frost Inset Hoop Earring

Coming 9.18 20:00

2ct Vertical Cushion Diamond Ring - PRMAL

2ct Vertical Cushion Diamond Ring - PRMAL

EG022TP20A#7

2ct Vertical Cushion Diamond Ring

Sold Out

Pear Half Eternity Ring - PRMAL

Pear Half Eternity Ring - PRMAL

01RDIA004C#9

Pear Half Eternity Ring

K10 | ¥226,600
K18 | ¥325,600

Marquise Half Eternity Ring - PRMAL

Marquise Half Eternity Ring - PRMAL

01RDIA006C#9

Marquise Half Eternity Ring

K10 | ¥213,400
K18 | ¥330,000

Oval Half Eternity Ring - PRMAL

Oval Half Eternity Ring - PRMAL

01RDIA005C#9

Oval Half Eternity Ring

K10 | ¥354,200
K18 | ¥474,100

View products

Find Pearls

Infinity Collection

TRENDING

Pave Dome Letter Charm - PRMAL

Pave Dome Letter Charm - PRMAL

01NLTR001C_A

Pave Dome Letter Charm

K10 | ¥116,600
K18 | ¥189,200

Massive Wave Ring - PRMAL

Massive Wave Ring - PRMAL

01RBSC033C#7

Massive Wave Ring

K10 | ¥149,600
K18 | ¥261,800

Wave Ring - PRMAL

Wave Ring - PRMAL

01RBSC031C#7

Wave Ring

K10 | ¥113,300
K18 | ¥195,800

Massive Wave Double Finger Ring - PRMAL

Massive Wave Double Finger Ring - PRMAL

01RDBF002C#S

Massive Wave Double Finger Ring

K10 | ¥176,000
K18 | ¥317,900

Infinity Massive Wave Diamond Ring - PRMAL

Infinity Massive Wave Diamond Ring - PRMAL

01RWAV003C#1

Infinity Massive Wave Diamond Ring

K10 | ¥229,900
K18 | ¥355,300

Sync Wave Pinky Ring - PRMAL

Sync Wave Pinky Ring - PRMAL

01RBSC056C#0

Sync Wave Pinky Ring

K10 | ¥168,300
K18 | ¥293,700

Limited-Time Order

Pearl Oval Ring - PRMAL

Pearl Oval Ring - PRMAL

01RBSC026C#3

Pearl Oval Ring

Sold Out

Limited-Time Order

Black Pearl Oval Ring - PRMAL

Black Pearl Oval Ring - PRMAL

01RBSC024C#3

Black Pearl Oval Ring

Sold Out

Pave Dome Letter Necklace - PRMAL

Box Chain Necklace - PRMAL

01NCHN004A#40

Box Chain Necklace

K18 | ¥223,300

Pave Dome Letter Earring - PRMAL

Pave Dome Letter Earring - PRMAL

01PLTR001C

Pave Dome Letter Earring

From ¥118,800

Lapse Diamond Wave Necklace - PRMAL

Lapse Diamond Wave Necklace - PRMAL

01NWAV001C

Lapse Diamond Wave Necklace

K10 | ¥151,800
K18 | ¥243,100

Wave Necklace - PRMAL

Wave Necklace - PRMAL

01NLIN007C

Wave Necklace

K10 | ¥148,500
K18 | ¥261,800

View products

Letter Series

Wave Collection

Pave Dome Letter Earring

Look 01

Pave Dome Letter Earring Box Chain Necklace

Marquise Half Eternity Ring

Look 02

Marquise Half Eternity Ring Marquise Wave Double Finger Ring

Look 03

Duo Pear Hoop Earring Duo Pear Peek Ear Cuff

Black Pearl Oval Earring M

Look 04

Black Pearl Oval Earring M

Duo Pear Bracelet

Look 05

Duo Pear Bracelet 0.3ct Pear Wave Pinky Ring

Silfra Band Ring

Look 06

Silfra Band Ring Silfra Pave Band Ring

Pave Dome Letter Earring

Look 07

Pave Dome Letter Earring

Look 08

Rock Earring S Rock Earring M Tennis Chain Necklace

Pear Wave Ear Cuff

Look 09

Pear Wave Ear Cuff Pear Wave Lay Ear Cuff Duo Pear Hoop Earring

About Us

Store

News

Featured in FIGARO japon – October 2026 Issue

August 20, 2026

Featured in FIGARO japon – October 2026 Issue

PRMAL's Pave Dome Letter Earring is featured in the "MÉLI-MÉLO BIJOUX" column of the October 2026 issue of FIGARO japon. (On sale August 20, 2026 /...

Featured in sweet – September 2026 Issue

August 10, 2026

Featured in sweet – September 2026 Issue

Four PRMAL pieces are featured in the jewelry feature of the September 2026 issue of sweet. (On sale August 10, 2026 / Takarajimasha)

Featured in Precious – September 2026 Issue

August 06, 2026

Featured in Precious – September 2026 Issue

PRMAL's Pave Bar Ear Cuff is worn in the beauty feature of the September 2026 issue of Precious. (On sale August 6, 2026 / Shogakukan)

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.

This point service allows you to use 1 point for 1 JPY worth of purchases.

The exchange rate at the time of point use will apply.

Regardless of the timing of membership registration, points are valid for one year from the date of the last point award.

Sign Up / Login

Need support? We're here to help.

Chat with us on LINE (10:00-18:00 JST)Book a showroom fitting

This service is only available in Japan.

Pay later, 6 installments, and payment at convenience stores are available through Paidy Payment.

Select "Paidy" payment method on the checkout page after adding to the cart.

After the order is confirmed, production will begin for made-to-order items, and in-stock items will be shipped.

Need support? We're here to help.

Chat with us on LINE (10:00-18:00 JST)