DIALLURE | Lab-grown diamond/natural diamond engagement rings

Brilliance, along with your life.

Isn't it a shame to keep such a meaningful engagement ring tucked away for only special occasions?

When you truly love something, you want to wear it every day. Its sparkle quietly empowers you—no matter what the day holds.Not something that's “good enough,” but something that feels undeniably right.

An engagement ring that shines not only at life’s milestones, but in the everyday moments in between. A timeless light that stays close to you—every single day—as you begin this journey together.

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Be free. Be us.

At DIALLURE, you can choose from 10 distinct diamond shapes. Each one offers a unique expression of beauty—full of personality and character. In fact, it’s rare to find this many shape options available at a single brand in Japan. But we believe that the shape that truly suits you should be as individual as you are. With that belief at heart, DIALLURE is here to help you discover the sparkle that fits you best—as a couple, and as yourselves.

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Best-Selling Engagement Rings

All featured designs can be customized with your choice of center diamond shape. From round and oval to emerald and more, choose from 10 distinct cuts to create a ring that perfectly reflects your style.

Elizabeth ペアカットサイドストーンリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Elizabeth side stone ring

An engagement ring with a striking emerald cut diamond on both sides, highlighting the brilliance of...

Diana パヴェリングオーバルカットダイヤモンドリングダイヤモンド/ラボグロウンダイヤモンド横斜めからの画像

Diana Hidden Helo Ring

The hidden side part is also studded with melee diamonds, making this a design that tickles...

Eva オーバルカットソリティアリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Eva solitaire ring

A classic ring featuring a simple single diamond and a delicate band. The Tiffany setting (pronged)...

Holly プリンセスカットパヴェリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Holly Pavé Ring

A gorgeous engagement ring with small melee diamonds set into the ring like pavement (French for...

Isabella オーバルカットサイドストーンリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Isabella side stone ring

An engagement ring with striking triangular trillion-cut diamonds on both sides, highlighting the brilliance of diamonds.

Kate エメラルドテーパードバゲットサイドストーンリングダイヤモンド/ラボグロウンダイヤモンド

Kate tapered baguette ring

Timeless and sophisticated design

Kelly ラディアントカットソリティアリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Kelly solitaire ring

A classic ring with a simple single diamond. The cathedral setting gives it a graceful shape...

Kristen Halo Ring

Classic and glamorous design with small melee stones in the center

Louise ラウンドブリリアントカットパヴェリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Louise Pavé Ring

A gorgeous engagement ring with small melee diamonds set into the ring like pavement (French for...

Marie シークレットストーンヘイローリングクッションカットダイヤモンドリングダイヤモンド/ラボグロウンダイヤモンド

Marie Secret Stone Ring

A special ring that allows you to add your favorite gemstone, such as a birthstone, to...

Maya パヴェリングマーキスカットダイヤモンドリングダイヤモンド/ラボグロウンダイヤモンド

Maya Pavé Ring

A timeless pave ring with melee diamonds set into the band like cobblestones.

Rita オーバルカットサイドストーンリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Rita side stone ring

An engagement ring with striking round cut diamonds on both sides, highlighting the brilliance of diamonds.

Sayuri accent ring

A delicate design with marquise cut diamonds on the ring

Vanessa エメラルドカットサイドストーンリング | ラボグロウンダイヤモンド/ダイヤモンド婚約指輪

Vanessa side stone ring

An engagement ring with striking pear-shaped diamonds on both sides, accentuating the brilliance of diamonds.

＜Price range＞　※This price covers everything—metal, setting, and all production costs.

1ct Lab-grow diamond ring：JPY300,000〜／0.5ctdiamond ring：JPY400,000〜

＜Available Metal Options＞Platinum・18K/14K/10K Yellow Gold・White Gold・Rose Gold

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Your Choice of Diamonds

On the right: a natural diamond ring. On the left: a lab-grown diamond ring. Both feature the same diamond—just created differently. At DIALLURE, we don’t tell you which one to choose. We simply offer a place where you can choose the one that feels right for you. Visit our showroom to compare both kinds of brilliance side by side, and find the one that truly aligns with your values.

Lab-grown diamonds are real diamonds, identical in structure and brilliance to natural diamonds. They are cultivated in labs that replicate the same conditions found deep within the earth, resulting in diamonds that are chemically and physically identical to their natural counterparts. Among them, Type IIa diamonds—found in only 2% of natural diamonds—are exceptionally pure, with minimal impurities, offering a higher level of transparency and brilliance. Free from mining, and gentle on both the planet and its people, lab-grown diamonds have become a new standard in the U.S., now chosen for over half of all engagement rings. A diamond that shines not only with beauty, but also with integrity— that’s the kind of lab-grown diamond DIALLURE proudly selects for you.

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Ranked in the Top 10

Ranked in the Top 10 across three categories on Ringraph, Japan’s leading engagement ring review site. Trusted and loved by many couples.

Lifetime Warranty

We offer lifetime support for everyday maintenance, including prong inspections and stone tightening.

Ethically Sourced Diamond

Natural diamonds sourced in compliance with the Kimberley Process, and eco-friendly lab-grown diamonds—both are choices that lead to a more sustainable future.

Thinking About Proposing?

Not sure what kind of design she'll love? Don’t worry—we’ve got you covered. “I want to propose with a ring.” “But I’d rather choose the final design after hearing what she really likes.” That’s exactly why we created the DIALLURE Proposal Ring Plan. First, select your preferred diamond shape, and we’ll prepare a special proposal ring in a temporary setting—just for that once-in-a-lifetime moment. After the proposal, you and your partner can choose the final ring design together, tailored to her style and your budget. A proposal that balances the joy of surprise with a ring that truly suits her— a thoughtful approach for couples today.

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1. Consultation

Our staff will carefully listen to your preferences and requests.

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2. Design

We thoughtfully transform your ideas into design sketches, bringing your unique vision to life.

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3. Confirm the 3D sample

A 3D sample allows you to visualize the finished ring in detail before we proceed.

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4. Production

Each piece is carefully handcrafted by skilled artisans, with heartfelt attention to every detail.

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5. Your Ring is Complete

This is the moment you meet the one ring in the world that’s truly yours.

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Create Your Own Ring

We offer a wide range of customization options—from subtle design adjustments to fully bespoke creations. With care and attention to every detail, we craft each piece to reflect your vision and the story you share as a couple.

Made-to-Order Engagement Rings

From a cherished photo sent by our customer, we’re honored to share a recent custom creation.

A singular ring by DIALLURE — set with a carefully chosen diamond, shaped with intention and grace. A lasting emblem of love, for life’s most unforgettable moments.

Diamond Ring: 1.5ct Radiant Cut Pavé Ring
Lab-Grown Diamond Ring: 2.5ct Pear Shape Pavé Ring
Lab-Grown Diamond Ring: 2.5ct Marquise Cut Pavé Ring
Lab-Grown Diamond Ring: 3ct Emerald Cut Three-Stone Ring

A Beautiful Choice for the Future

At DIALLURE, we create jewelry with deep consideration for both environmental impact and social responsibility. Our lab-grown diamonds require no mining, and for natural diamonds, we only source carefully selected, traceable stones—so you can choose with confidence and peace of mind. We also use SCS-certified recycled metals for our rings, ensuring that even the materials reflect our commitment to sustainability. Because a ring meant to mark a meaningful milestone should be something you can feel proud of—inside and out. At DIALLURE, we value not only beauty, but also the integrity behind every choice you make.

Tokyo Showroom

DIALLURE Showroom NEUK Shirokane Takanawa #206 1-20-2 Takanawa, Minato-ku, Tokyo 108-0084, Japan
Please note: Our showroom is by appointment only. Kindly schedule your visit in advance.
Opening Hours: 10:00 AM – 6:00 PM
Closed: Wednesdays and Thursdays

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