Products – Page 6 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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0.9 Ct. E Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥60,868 JPY

Sale price ¥60,868 JPY Regular price
Unit price per
0.9 Ct. E Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥60,868 JPY

Sale price ¥60,868 JPY Regular price
Unit price per
0.98 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥84,810 JPY

Sale price ¥84,810 JPY Regular price
Unit price per
1.0 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥83,456 JPY

Sale price ¥83,456 JPY Regular price
Unit price per
1.0 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥83,456 JPY

Sale price ¥83,456 JPY Regular price
Unit price per
1.0 Ct. D Color VVS1 Clarity Pear Shape Lab Grown Diamond

Regular price ¥94,010 JPY

Sale price ¥94,010 JPY Regular price
Unit price per
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 Color VVS2 Clarity Heart Shape Lab Grown Diamond

Regular price ¥80,479 JPY

Sale price ¥80,479 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 VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥74,291 JPY

Sale price ¥74,291 JPY Regular price
Unit price per
1.01 Ct. Green Color VS1 Clarity Oval Shape

Regular price ¥100,003 JPY

Sale price ¥100,003 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

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.