Products – Page 3 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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0.32 Ct. E Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥30,508 JPY

Sale price ¥30,508 JPY Regular price
Unit price per
0.33 Ct. D Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥30,938 JPY

Sale price ¥30,938 JPY Regular price
Unit price per
0.33 Ct. D Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥30,938 JPY

Sale price ¥30,938 JPY Regular price
Unit price per
0.34 Ct. D Color SI1 Clarity Round Shape Lab Grown Diamond

Regular price ¥31,136 JPY

Sale price ¥31,136 JPY Regular price
Unit price per
0.35 Ct. D Color VS1 Clarity Oval Shape Lab Grown Diamond

Regular price ¥37,170 JPY

Sale price ¥37,170 JPY Regular price
Unit price per
0.35 Ct. D Color VS1 Clarity Radiant Shape Lab Grown Diamond

Regular price ¥48,757 JPY

Sale price ¥48,757 JPY Regular price
Unit price per
0.35 Ct. D Color VS1 Clarity Radiant Shape Lab Grown Diamond

Regular price ¥48,757 JPY

Sale price ¥48,757 JPY Regular price
Unit price per
0.36 Ct. Blue Color VS1 Clarity Marquise Shape

Regular price ¥261 JPY

Sale price ¥261 JPY Regular price
Unit price per
0.36 Ct. D Color VVS2 Clarity Radiant Shape Lab Grown Diamond

Regular price ¥51,399 JPY

Sale price ¥51,399 JPY Regular price
Unit price per
0.38 Ct. D Color VVS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥37,111 JPY

Sale price ¥37,111 JPY Regular price
Unit price per
0.39 Ct. Pink Color SI2 Clarity Oval Shape Lab Grown Fancy Diamond

Regular price ¥36,895 JPY

Sale price ¥36,895 JPY Regular price
Unit price per
0.39 Ct. Pink Color VVS2 Clarity Oval Shape Lab Grown Fancy Diamond

Regular price ¥54,940 JPY

Sale price ¥54,940 JPY Regular price
Unit price per
0.4 Ct. D Color VS2 Clarity Cushion Shape Lab Grown Diamond

Regular price ¥51,959 JPY

Sale price ¥51,959 JPY Regular price
Unit price per
0.41 Ct. D Color VS1 Clarity Cushion Shape Lab Grown Diamond

Regular price ¥56,561 JPY

Sale price ¥56,561 JPY Regular price
Unit price per
0.41 Ct. D Color VS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥37,292 JPY

Sale price ¥37,292 JPY Regular price
Unit price per
0.41 Ct. Green Color SI1 Clarity Pear Shape

Regular price ¥39,091 JPY

Sale price ¥39,091 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.