Products – Page 4 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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0.43 Ct. D Color VS1 Clarity Cushion Shape Lab Grown Diamond

Regular price ¥55,337 JPY

Sale price ¥55,337 JPY Regular price
Unit price per
0.49 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥53,952 JPY

Sale price ¥53,952 JPY Regular price
Unit price per
0.5 Ct. D Color FL Clarity Round Shape Lab Grown Diamond

Regular price ¥96,658 JPY

Sale price ¥96,658 JPY Regular price
Unit price per
0.5 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

Regular price ¥62,417 JPY

Sale price ¥62,417 JPY Regular price
Unit price per
0.5 Ct. E Color SI1 Clarity Oval Shape Lab Grown Diamond

Regular price ¥52,498 JPY

Sale price ¥52,498 JPY Regular price
Unit price per
0.52 Ct. D Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥48,587 JPY

Sale price ¥48,587 JPY Regular price
Unit price per
0.52 Ct. D Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥48,587 JPY

Sale price ¥48,587 JPY Regular price
Unit price per
0.52 Ct. D Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥48,587 JPY

Sale price ¥48,587 JPY Regular price
Unit price per
0.53 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

Regular price ¥57,101 JPY

Sale price ¥57,101 JPY Regular price
Unit price per
0.55 Ct. E Color SI1 Clarity Oval Shape Lab Grown Diamond

Regular price ¥43,727 JPY

Sale price ¥43,727 JPY Regular price
Unit price per
0.55 Ct. E Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥51,198 JPY

Sale price ¥51,198 JPY Regular price
Unit price per
0.55 Ct. E Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥51,198 JPY

Sale price ¥51,198 JPY Regular price
Unit price per
0.55 Ct. E Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥51,198 JPY

Sale price ¥51,198 JPY Regular price
Unit price per
0.7 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥114,883 JPY

Sale price ¥114,883 JPY Regular price
Unit price per
0.7 Ct. D Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥114,883 JPY

Sale price ¥114,883 JPY Regular price
Unit price per
0.73 Ct. D Color VS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥97,752 JPY

Sale price ¥97,752 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.