Products – Page 8 – Precious Lab

Japan's Leading Lab-Grown Diamond Jeweler

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1.5 Ct. Green Color VS1 Clarity Oval Shape Lab Grown Fancy Diamond

Regular price ¥134,937 JPY

Sale price ¥134,937 JPY Regular price
Unit price per
1.52 Ct. D Color VVS2 Clarity Radiant Shape Lab Grown Diamond

Regular price ¥100,854 JPY

Sale price ¥100,854 JPY Regular price
Unit price per
1.52 Ct. E Color VS2 Clarity Princess Shape Lab Grown Diamond

Regular price ¥103,564 JPY

Sale price ¥103,564 JPY Regular price
Unit price per
1.52 Ct. E Color VVS2 Clarity Oval Shape Lab Grown Diamond

Regular price ¥136,438 JPY

Sale price ¥136,438 JPY Regular price
Unit price per
1.52 Ct. E Color VVS2 Clarity Pear Shape Lab Grown Diamond

Regular price ¥111,473 JPY

Sale price ¥111,473 JPY Regular price
Unit price per
1.53 Ct. D Color VVS2 Clarity Radiant Shape Lab Grown Diamond

Regular price ¥101,423 JPY

Sale price ¥101,423 JPY Regular price
Unit price per
1.54 Ct. D Color IF Clarity Oval Shape Lab Grown Diamond

Regular price ¥178,929 JPY

Sale price ¥178,929 JPY Regular price
Unit price per
1.54 Ct. Green Color VS1 Clarity Oval Shape Lab Grown Fancy Diamond

Regular price ¥127,142 JPY

Sale price ¥127,142 JPY Regular price
Unit price per
1.6 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥132,929 JPY

Sale price ¥132,929 JPY Regular price
Unit price per
1.6 Ct. E Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥120,827 JPY

Sale price ¥120,827 JPY Regular price
Unit price per
1.6 Ct. E Color VVS2 Clarity Round Shape Lab Grown Diamond

Regular price ¥129,258 JPY

Sale price ¥129,258 JPY Regular price
Unit price per
1.61 Ct. D Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥131,378 JPY

Sale price ¥131,378 JPY Regular price
Unit price per
1.61 Ct. E Color VS1 Clarity Round Shape Lab Grown Diamond

Regular price ¥129,980 JPY

Sale price ¥129,980 JPY Regular price
Unit price per
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. E Color VVS1 Clarity Cushion Shape Lab Grown Diamond

Regular price ¥136,172 JPY

Sale price ¥136,172 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.