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Your diamond, your setting, your style

Custom Rings, Crafted for You
From stone to setting, design a custom engagement ring that reflects your style and celebrates your love.

Sustainable Lab-Grown Diamonds

Japan’s Modern Jeweler
Experience ethical luxury with our Japan made lab-grown diamond jewelry

The Modern Diamond

Direct Diamonds, Endless Choices
Japan’s largest lab grown diamond store—ethical, sustainable, certified brilliance direct to you.
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Explore Our Jewelry

Experience the essence and discover the true meaning of luxury, redefined.

Regular price From ¥133,100 JPY
Sale price From ¥133,100 JPY Regular price ¥4,070 JPY
Regular price From ¥133,100 JPY
Sale price From ¥133,100 JPY Regular price ¥4,070 JPY
Regular price From ¥133,100 JPY
Sale price From ¥133,100 JPY Regular price ¥4,070 JPY
Regular price From ¥133,100 JPY
Sale price From ¥133,100 JPY Regular price ¥4,070 JPY
white gold

Endless Choices, One-of-a-Kind Creation

Precious Lab,Redefining Modern Luxury

Our mission is simple: to make beautiful, sustainable jewelry accessible. From diamond selection to custom design, we empower you to create a ring that truly reflects your love.

Shine With These
Regular price From ¥302,500 JPY
Sale price From ¥302,500 JPY Regular price ¥7,700 JPY
Regular price ¥193,600 JPY
Sale price ¥193,600 JPY Regular price
Regular price From ¥277,200 JPY
Sale price From ¥277,200 JPY Regular price ¥7,700 JPY
Regular price ¥203,500 JPY
Sale price ¥203,500 JPY Regular price

the precious lab experience

Trusted By Customers Worldwide

From engagement rings to everyday pieces, our craftsmanship and service have earned the trust of customers everywhere.