Products – Page 6 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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1.0 Ct. D Color VVS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥118,825 JPY

Sale price ¥118,825 JPY Regular price
Unit price per
1.0 Ct. D カラー IF クラリティマーキーズ形状ラボグロウン・ダイヤモンド

Regular price ¥226,220 JPY

Sale price ¥226,220 JPY Regular price
Unit price per
1.0 Ct. E Color SI1 Clarity Emerald Shape Lab Grown Diamond

Regular price ¥56,281 JPY

Sale price ¥56,281 JPY Regular price
Unit price per
1.0 Ct. E Color VVS1 Clarity Marquise Shape Lab Grown Diamond

Regular price ¥98,480 JPY

Sale price ¥98,480 JPY Regular price
Unit price per
1.0 Ct. G Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥81,995 JPY

Sale price ¥81,995 JPY Regular price
Unit price per
1.01 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

Regular price ¥119,281 JPY

Sale price ¥119,281 JPY Regular price
Unit price per
1.01 Ct. D Color SI1 Clarity Emerald Shape Lab Grown Diamond

Regular price ¥75,149 JPY

Sale price ¥75,149 JPY Regular price
Unit price per
1.01 Ct. G Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥78,066 JPY

Sale price ¥78,066 JPY Regular price
Unit price per
1.02 Ct. D Color VVS1 Clarity Princess Shape Lab Grown Diamond

Regular price ¥114,517 JPY

Sale price ¥114,517 JPY Regular price
Unit price per
1.03 Ct. D Color VVS1 Clarity Asscher Shape Lab Grown Diamond

Regular price ¥75,541 JPY

Sale price ¥75,541 JPY Regular price
Unit price per
1.1 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥105,632 JPY

Sale price ¥105,632 JPY Regular price
Unit price per
1.1 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥88,249 JPY

Sale price ¥88,249 JPY Regular price
Unit price per
1.18 Ct. E Color SI1 Clarity Round Shape Lab Grown Diamond

Regular price ¥73,900 JPY

Sale price ¥73,900 JPY Regular price
Unit price per
1.23 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥79,465 JPY

Sale price ¥79,465 JPY Regular price
Unit price per
1.45 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥103,999 JPY

Sale price ¥103,999 JPY Regular price
Unit price per
1.5 Ct. D カラー VVS1 クラリティラウンド形状ラボグロウン・ダイヤモンド

Regular price ¥124,748 JPY

Sale price ¥124,748 JPY Regular price
Unit price per

Create A Truly Bespoke Ring

Customize rings using hand-picked lab grown diamonds from Japan’s top sources. Choose your cut, setting, and metal to create a ring that’s uniquely yours.

Trusted Advice

Over 30 years of experience in Japanese jewelry craftsmanship, our jewelers provide personalized consultations on diamond selection and custom designs.

Buy With Confidence

Shop our certified selection of lab grown diamond jewelry with transparency, detailed specifications, and lifetime guarantees.

Sourced With Care

Every diamond is crafted with sustainability and ethical practices in mind—because luxury should never come at the planet’s expense.