Create a future with you

The pursuit is not of eternity, but of the future.

The radiance or superficial beauty imposed by others is no longer necessary.

MARRY ME?

  1. Lifetime Warranty

    Purchasing a ring that will last a lifetime is just the start of the journey ahead. Regardless of the date of purchase, we offer aftercare services and guarantee that all our customers will enjoy their rings for many years to come.

  2. Online Completion

    PRMAL offers all support online. You can consult us about after-support for repairs and maintenance anytime, anywhere via chat or email. There is no need to visit the store.

  3. Fair Price

    PRMAL jewelry differs from traditional jewelry brands in that we do not have stores or middlemen. By selling our own designs directly online, we are able to offer the best quality at the best price.

Bridal Package

Inside the box

All rings are carefully packaged and delivered in an original bridal box. The package can be used as an everyday jewelry box.

Our handcrafted jewelry and beautiful lab-grown diamonds reflect our commitment to sustainability for our planet.

Sustainable & Affordable

Deliver your jewelry directly to you.

Our rings are carefully made one by one in a jewelry factory with over 30 years of experience. By selling only online and controlling every step of the process, we eliminate unnecessary costs and connect our customers with the factories that produce the products, delivering the best quality at a fair price.

Supply Chain

Traditional brands require more than 15 processes, from diamond mining to delivery to the customer. PRMAL, on the other hand, has reduced the number of processes to only five by controlling all processes in-house. We can offer reasonable prices and deliver jewelry to our customers with transparency.

Our Diamond
LAB GROWN DIAMOND

We use lab-grown diamonds (synthetic diamonds) made of the same components as natural diamonds. It gives a pure and beautiful shine without impurities.

Lab-Grown Diamond
Environmentally friendly diamonds.

Lab grown diamonds are made under the same conditions as the natural diamonds from which they are mined. It has the exact same structure as natural diamonds.

Natural diamond requires more than 1 billion years of pressure and high temperatures to form. While lab-grown diamonds have made this process much more efficient through the application of advanced science and technology.

Physically and chemically identical in structure to natural diamonds, they are indistinguishable from them even by a professional diamond grader and can only be distinguished from natural diamonds with the help of specialized machines.

Benefit
Three Advantages of Lab-Grown Diamonds.

  1. NO CONFLICT

    Because it is made in a lab, it is guaranteed to be conflict-free and ethical, and there is zero chance of conflict diamonds. With mined natural diamonds, we cannot guarantee it. And it has the advantage of being a sustainable source of supply for the next generation.

  2. ECO-FRIENDLY

    Compared to mined diamonds, lab-grown diamonds have no impact on the environment, do not pollute water bodies or degrade the soil.

  3. PRICE

    Our lab-grown diamonds are 30-40% less expensive than their natural diamond counterparts mined from the ground, with the elimination of intermediate costs due to the short supply chain.

Differences
The difference between lab-grown diamonds and natural diamonds.

Lab-Grown diamonds are made under the same conditions as mined natural diamonds, they exhibit exactly the same physical, chemical and optical properties as mined natural diamonds. The only difference is that the diamonds grown in the lab are being produced in a laboratory on Earth.

Chemical Formula Thermal Conductivity Crystal Structure Mohs Hardness Density[g/㎠] Refractive Index Optical Dispersion
Diamond
Natural Diamond C HIGH CUBIC 10 3.52 2.42 0.044
Lab Grown Diamond C HIGH CUBIC 10 3.52 2.42 0.044
Imitation Stone
Cubic Zirconia ZrO2 LOW CUBIC 8.25 5.70 2.20 0.066
Moissanite SIC HIGH HEXAGONAL 9.25 3.21 2.65 0.104
White Sapphire AI2O3 LOW HEXAGONAL 9 3.97 1.77 0.018

Certificate

Lab-Grown diamonds are graded and certified in the same way as mined diamonds. At PRMAL, diamonds used in engagement rings are accompanied by an IGI certificate.

Certificate for Lab Grown Diamond

Our 4C's of Diamonds
Diamond Quality Standards

PRMAL guarantees the following grades for the center stone of the engagement ring.

Carat - From 0.3ct
Color - F or better
Clarity - VS2 or better
Cut - Excellent or better

CARAT

"Carat" is a unit of measurement used to express the weight of diamonds. It is denoted by "ct," and 1.0 ct equals 0.2 g. Our engagement rings are available with diamonds ranging from 0.3 ct and up.

COLOR

Color is divided into 33 grades, ranging from colorless D color to Z color. The closer to D color, the rarer and more highly valued it is. At PRMAL, we use F color or higher for the center stone in bridal settings.

CLARITY

"Clarity" is a comprehensive evaluation of a diamond's inclusions and external characteristics and is graded into 11 levels. Our diamonds are VS2 or higher.

CUT

The higher the cut rating of a diamond, the more brilliant it will be. PRMAL offers only the finest "Excellent" diamonds.

Sustainability
Responsibility as a long-lasting brand

We believe it is not enough to make jewelry with care for the environment — we must also build ways of giving back.

We strive to be a jewelry company that takes a forward-thinking approach to sustainability.

1% for the Planet
Donating 1% of sales to forest conservation

Trees play a vital role in absorbing CO2, a greenhouse gas in the atmosphere, making forest conservation one of the most effective ways to combat climate change. However, it's estimated that around 100,000 square kilometers of the world's forests are lost each year.

To address this issue, PRMAL has been actively involved since its inception as a member of 1% for the Planet ®, a global network of more than 5,000 member businesses.

As a way of giving back to the planet that has nurtured us, we support work that prevents deforestation around the world and keeps forests thriving for generations to come.

Bridal Q&A

Q&A about bridal rings

Each PRMAL wedding ring is carefully crafted one by one after your order is placed, and usually takes about 20 to 25 days to complete.

If you are in a hurry, we will do our best to accommodate your intended date of use. Depending on our production status, we may be able to shorten the delivery time, so please feel free to contact us.

Each PRMAL engagement ring is carefully crafted one by one after your order is placed, and usually takes about 40 to 45 days to complete.

If you already have a date in mind — a proposal, marriage registration, or wedding ceremony — we will do our best to accommodate your schedule. Depending on our production status, we may be able to shorten the delivery time, so please feel free to contact us.

Usually, it takes about 20-25 days for wedding rings and 45 days for engagement rings to be manufactured. Depending on the status of our orders, we may be able to accommodate your request, so please feel free to contact our support team.

Our rings are made in the JCS standard, which is commonly used by jewelry brands in Japan. Detailed sizes are listed on the size chart page. We also offer free size measurement at our showroom, so please feel free to book a visit.

Book an appointment →

You can choose from three fonts: block, script, and serif. Symbols such as hearts (♡) and stars (☆) can also be engraved.

Names, initials, anniversaries, or a special message — we will finish your rings with a sentiment that belongs only to the two of you.

Yes. At PRMAL, all bridal rings can be made with a hairline (matte) finish.

There is no additional charge, so you can choose according to your taste and lifestyle.

Unlike a mirror finish, it has a calm, subdued texture with an elegant and soft impression. If you would like this option, please note it in the remarks field when ordering, or feel free to contact us via LINE.

At PRMAL, you can choose from K18 yellow gold, K18 white gold, platinum 900, and more. K18 pink gold is also available at the same price as other K18 golds. If you would like this option, please note it in the remarks field when ordering, or feel free to contact us via LINE.

When using a diamond of 1ct or more, our signature silhouettes can be customized to your preference. Our specialists will support you in creating a ring that faithfully reflects your vision while honoring PRMAL's design philosophy.

Yes. At PRMAL, every engagement ring comes with a diamond certificate.

The certificate documents the 4Cs — carat, color, clarity, and cut — along with the quality and characteristics of the diamond based on international standards, serving as objective proof of quality evaluated by a third-party institution.

Yes. At PRMAL, all bridal rings come with a lifetime warranty.

Within one year of purchase, ring resizing is free of charge up to twice, and re-polishing is free of charge once.

We also offer aftercare services such as cleaning and prong inspection by our specialists, so you can wear your rings with confidence for many years to come.

We will continue to support you so that your precious rings stay by your side with unchanging beauty for a lifetime.