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Check out these collections.

Allum & Sidaway Ear Styling Collection
Allum & Sidaway Engagement Collection
Initial Necklaces

Allum & Sidaway Laboratory Grown Collection

At Allum & Sidaway, we offer a beautiful selection of laboratory grown diamonds, combining exceptional brilliance with ethical innovation. Created using advanced technology, our laboratory grown diamonds are chemically and visually identical to mined diamonds, offering a responsible choice without compromising on quality or design. Browse our collection and find your new favourite piece.

Lab Grown Diamonds at Allum & Sidaway

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Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 0.50ct Laboratory Grown Diamond Solitaire Ring 6020201

A&S Laboratory Grown Collection Platinum 0.50ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,195.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 9ct Yellow Gold 0.55ct Oval Laboratory Grown Diamond Solitaire Ring 6020281

A&S Laboratory Grown Collection 9ct Yellow Gold 0.51ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£875.00

Allum & Sidaway A&S Laboratory Grown Collection Platinum Oval 1.01ct Laboratory Grown Diamond Ring With Stone Set Shoulders 6020674

A&S Laboratory Grown Collection Platinum Oval 1.01ct Laboratory Grown Diamond Ring With Stone Set Shoulders

Allum & Sidaway

£1,895.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Diamond Solitaire Ring 6020203

A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Diamond Solitaire Ring 6020203

A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.27ct Laboratory Grown Oval Diamond Three Stone Ring 6023213

A&S Laboratory Grown Collection 18ct Yellow Gold 1.27ct Laboratory Grown Oval Diamond Three Stone Ring

Allum & Sidaway

£2,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.56ct Laboratory Grown Radiant Diamond Three Stone Ring 6023403

A&S Laboratory Grown Collection Platinum 1.56ct Laboratory Grown Radiant Diamond Three Stone Ring

Allum & Sidaway

£3,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 4.15ct Laboratory Grown Diamond Ring with Diamond Set Shoulders 6001050

A&S Laboratory Grown Collection Platinum 4.15ct Laboratory Grown Diamond Ring with Diamond Set Shoulders

Allum & Sidaway

£5,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.00ct Laboratory Grown Marquise Diamond Solitaire Ring 6020699

A&S Laboratory Grown Collection Platinum 1.00ct Laboratory Grown Marquise Diamond Solitaire Ring

Allum & Sidaway

£2,295.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 2.01ct Laboratory Grown Marquise Diamond Solitaire Ring 6020688

A&S Laboratory Grown Collection 18ct Yellow Gold 2.01ct Laboratory Grown Marquise Diamond Solitaire Ring

Allum & Sidaway

£3,345.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 5.04ct Elongated Cushion Cut Laboratory Grown Diamond Three Stone Ring 6001140

A&S Laboratory Grown Collection 18ct Yellow Gold 5.04ct Elongated Cushion Cut Laboratory Grown Diamond Three Stone Ring

Allum & Sidaway

£6,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.51ct Oval Laboratory Grown Diamond Solitaire Ring 6020275

A&S Laboratory Grown Collection Platinum 1.52ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£2,295.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.07ct Laboratory Grown Diamond Bezel Set Solitaire Ring 6001132

A&S Laboratory Grown Collection 18ct Yellow Gold 1.07ct Laboratory Grown Diamond Bezel Set Solitaire Ring

Allum & Sidaway

£1,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Oval Diamond Ring 6020174

A&S Laboratory Grown Collection Platinum 1.01ct Laboratory Grown Oval Diamond Ring

Allum & Sidaway

£1,895.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.01ct Laboratory Grown Diamond Ring 6020134

A&S Laboratory Grown Collection 18ct Yellow Gold 1.01ct Laboratory Grown Diamond Ring

Allum & Sidaway

£1,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 0.70ct Diamond Three Stone Ring 6023212

A&S Laboratory Grown Collection Platinum 0.70ct Diamond Three Stone Ring

Allum & Sidaway

£1,795.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 1.01ct Laboratory Grown Oval Diamond Ring 6020494

A&S Laboratory Grown Collection 1.01ct Laboratory Grown Oval Diamond Ring

Allum & Sidaway

£1,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum Laboratory Grown 2.02ct Diamond Oval Solitaire Ring 6020277

A&S Laboratory Grown Collection Platinum Lab Grown 2.00ct Diamond Oval Solitaire Ring

Allum & Sidaway

£2,495.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.51ct Oval Laboratory Grown Diamond Solitaire Ring 6020275

A&S Laboratory Grown Collection Platinum 1.51ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£2,295.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.01ct Oval Laboratory Grown Diamond Solitaire Ring 6020273

A&S Laboratory Grown Collection Platinum 1.00ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum Laboratory Grown 2.02ct Diamond Oval Solitaire Ring 6020277

A&S Laboratory Grown Collection Platinum Laboratory Grown 2.02ct Diamond Oval Solitaire Ring

Allum & Sidaway

£2,495.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.54ct Laboratory Grown Diamond Solitaire Ring 6020205

A&S Laboratory Grown Collection Platinum 1.54ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£2,395.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 9ct Yellow Gold 0.50ct Laboratory Grown Diamond Solitaire Ring 6020221

A&S Laboratory Grown Collection 9ct Yellow Gold 0.75ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.01ct Oval Laboratory Grown Diamond Solitaire Ring 6020293

A&S Laboratory Grown Collection 18ct Yellow Gold 1.00ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,895.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum Laboratory Grown 2.02ct Diamond Oval Solitaire Ring 6020277

A&S Laboratory Grown Collection Platinum Laboratory Grown 2.04ct Diamond Oval Solitaire Ring

Allum & Sidaway

£2,495.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 9ct Yellow Gold 0.50ct Laboratory Grown Diamond Solitaire Ring 6020421

A&S Laboratory Grown Collection 9ct Yellow Gold 0.50ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£775.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 0.76ct Laboratory Grown Diamond Solitaire Ring 6020202

A&S Laboratory Grown Collection Platinum 0.75ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.01ct Oval Laboratory Grown Diamond Solitaire Ring 6020293

A&S Laboratory Grown Collection 18ct Yellow Gold 1.01ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,895.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 9ct Yellow Gold 0.50ct Laboratory Grown Diamond Solitaire Ring 6020221

A&S Laboratory Grown Collection 9ct Yellow Gold 0.75ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.01ct Oval Laboratory Grown Diamond Solitaire Ring 6020273

A&S Laboratory Grown Collection Platinum 1.01ct Oval Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£1,695.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 2.04ct Laboratory Grown Oval Diamond Three Stone Ring 6001139

A&S Laboratory Grown Collection 18ct Yellow Gold 2.04ct Laboratory Grown Oval Diamond Three Stone Ring

Allum & Sidaway

£3,895.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.63ct Laboratory Grown Radiant Diamond Three Stone Ring 6023406

A&S Laboratory Grown Collection Platinum 1.63ct Laboratory Grown Radiant Diamond Three Stone Ring

Allum & Sidaway

£2,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 2.04ct Laboratory Grown Emerald Cut Three Stone Ring 6023302

A&S Laboratory Grown Collection Platinum 2.04ct Laboratory Grown Emerald Cut Three Stone Ring

Allum & Sidaway

£3,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 2.05ct Laboratory Grown Emerald Cut Diamond Three Stone Ring 6023301

A&S Laboratory Grown Collection 18ct Yellow Gold 2.05ct Laboratory Grown Emerald Cut Diamond Three Stone Ring

Allum & Sidaway

£3,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 1.65ct Laboratory Grown Emerald Cut Diamond Three Stone Ring 6023306

A&S Laboratory Grown Collection Platinum 1.65ct Laboratory Grown Emerald Cut Diamond Three Stone Ring

Allum & Sidaway

£2,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.54ct Laboratory Grown Radiant Cut Diamond Three Stone Ring 6023401

A&S Laboratory Grown Collection 18ct Yellow Gold 1.54ct Laboratory Grown Radiant Cut Diamond Three Stone Ring

Allum & Sidaway

£3,595.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection Platinum 2.07ct Laboratory Grown Emerald Cut Diamond Three Stone Ring 6001157

A&S Laboratory Grown Collection Platinum 2.07ct Laboratory Grown Emerald Cut Diamond Three Stone Ring

Allum & Sidaway

£3,495.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.65ct Laboratory Grown Emerald Cut Diamond Three Stone Ring 6023304

A&S Laboratory Grown Collection 18ct Yellow Gold 1.65ct Laboratory Grown Emerald Cut Diamond Three Stone Ring

Allum & Sidaway

£2,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 18ct Yellow Gold 1.02ct Laboratory Grown Diamond Ring With Stone Set Shoulders 6020634

A&S Laboratory Grown Collection 18ct Yellow Gold 1.02ct Laboratory Grown Diamond Ring With Stone Set Shoulders

Allum & Sidaway

£1,995.00

Allum & Sidaway Jewellery A&S Laboratory Grown Collection 9ct Yellow Gold 0.50ct Laboratory Grown Diamond Solitaire Ring 6020221

A&S Laboratory Grown Collection 9ct Yellow Gold 0.75ct Laboratory Grown Diamond Solitaire Ring

Allum & Sidaway

£995.00

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Our laboratory grown diamonds are created using advanced technology that carefully replicates the natural conditions in which diamonds form. Through processes such as high pressure, high temperature or chemical vapour deposition, carbon atoms crystallise over time to produce diamonds that are identical to mined stones in their physical, chemical and optical properties.

This controlled approach allows us to ensure exceptional quality, consistency and traceability, giving you complete confidence in our laboratory grown diamonds.