Products – Page 8 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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1.61 Ct. E Color VVS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥139,824 JPY

Sale price ¥139,824 JPY Regular price
Unit price per
1.62 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥137,798 JPY

Sale price ¥137,798 JPY Regular price
Unit price per
1.67 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

Regular price ¥185,789 JPY

Sale price ¥185,789 JPY Regular price
Unit price per
1.67 Ct. E Color VVS1 Clarity Cushion Shape Lab Grown Diamond

Regular price ¥136,172 JPY

Sale price ¥136,172 JPY Regular price
Unit price per
1.72 Ct. F Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥132,699 JPY

Sale price ¥132,699 JPY Regular price
Unit price per
1.81 Ct. E Color VS2 Clarity Marquise Shape Lab Grown Diamond

Regular price ¥140,969 JPY

Sale price ¥140,969 JPY Regular price
Unit price per
1.88 Ct. E Color VS1 Clarity Marquise Shape Lab Grown Diamond

Regular price ¥147,950 JPY

Sale price ¥147,950 JPY Regular price
Unit price per
1.9 Ct. E Color VS1 Clarity Pear Shape Lab Grown Diamond

Regular price ¥124,672 JPY

Sale price ¥124,672 JPY Regular price
Unit price per
1.95 Ct. E Color VVS2 Clarity Pear Shape Lab Grown Diamond

Regular price ¥137,327 JPY

Sale price ¥137,327 JPY Regular price
Unit price per
10.0 Ct. Blue Color VS1 Clarity Oval Shape Lab Grown Fancy Diamond

Regular price ¥1,980,441 JPY

Sale price ¥1,980,441 JPY Regular price
Unit price per
2.0 Ct. D Color IF Clarity Round Shape Lab Grown Diamond

Regular price ¥272,262 JPY

Sale price ¥272,262 JPY Regular price
Unit price per
2.0 Ct. E Color VS2 Clarity Marquise Shape Lab Grown Diamond

Regular price ¥170,227 JPY

Sale price ¥170,227 JPY Regular price
Unit price per
2.0 Ct. E Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥150,613 JPY

Sale price ¥150,613 JPY Regular price
Unit price per
2.0 Ct. F Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥171,674 JPY

Sale price ¥171,674 JPY Regular price
Unit price per
2.0 Ct. F Color VS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥140,016 JPY

Sale price ¥140,016 JPY Regular price
Unit price per
2.0 Ct. G Color SI1 Clarity Oval Shape Lab Grown Diamond

Regular price ¥150,179 JPY

Sale price ¥150,179 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.