Lab Grown Coloured Gemstone Collection

Explore our Lab Grown Gemstone Engagement Ring Collection, showcasing precision created sapphires, emeralds, rubies and vibrant coloured stones set in platinum and 18ct gold. Each laboratory grown gemstone offers exceptional colour, clarity and durability, providing a refined and responsible alternative to mined stones. From timeless solitaire engagement rings to halo and trilogy designs, every piece is crafted with meticulous attention to detail. Discover lab-grown gemstone engagement rings defined by brilliance, sustainability and modern luxury.

Diana halo engagement ring with an oval blue lab-grown sapphire centre stone and diamond accents, front view.

DIANA
Princess Diana Inspired Blue Sapphire & Lab Diamond Platinum Engagement Ring

From ¥547,800 JPY

Louella trilogy engagement ring in 18k yellow gold with an oval lab-grown emerald centre stone, front view.

LOUELLA
Oval Emerald Oval Petite Trilogy Engagement Ring 18k Yellow Gold

From ¥439,500 JPY

Alya starburst cluster engagement ring in 18k yellow gold with an oval lab-grown emerald centre stone, front view.

ALYA
Oval Emerald Starburst Cluster Shoulder Set Engagement Ring 18k Yellow Gold

From ¥344,800 JPY

Alya starburst cluster engagement ring in 18k yellow gold with an oval lab-grown alexandrite centre stone, front view.

ALYA
Oval Alexandrite Starburst Cluster Shoulder Set Engagement Ring 18k Yellow Gold

From ¥446,400 JPY

Alya starburst cluster engagement ring with an oval blue lab-grown sapphire centre stone, front view.

ALYA
Oval Blue Sapphire Starburst Cluster Shoulder Set Engagement Ring 950 Platinum

From ¥446,400 JPY

Hidden Halo

PARIS
Green Emerald & Diamond 18k Yellow Gold Petite Hidden Halo

From ¥309,700 JPY

Hidden Halo

COCO
Emerald & Diamond 18k Yellow Gold Petite Hidden Halo Triple Pavé Ring

From ¥439,700 JPY

Diana halo engagement ring with an oval lab-grown emerald centre stone and diamond accents, front view.

DIANA
Emerald & Lab Diamond 950 Platinum Halo

From ¥547,800 JPY

Diana halo engagement ring in 18k yellow gold with an oval lab-grown ruby centre stone and diamond accents, front view.

DIANA
Ruby & Lab Diamond 18k Yellow Gold

From ¥547,800 JPY

Darley halo engagement ring in 18k yellow gold with an elongated cushion lab-grown ruby centre stone, front view.

DARLEY
Ruby Elongated Cushion Micro Pavé 18k Yellow Gold Halo

From ¥504,400 JPY

Eden vine solitaire engagement ring in 18k yellow gold with a round lab-grown alexandrite centre stone and diamond accents, front view.

EDEN
Round Alexandrite & Diamond 18k Yellow Gold Vine Ring

From ¥416,500 JPY

Rosa halo engagement ring with an oval blue lab-grown sapphire centre stone and diamond accents, front view.

ROSA
Blue Sapphire & Diamond 950 Platinum Halo

From ¥504,400 JPY

Hidden Halo

LIVELY
Princess Yellow Sapphire 950 Platinum Petite Hidden Halo Pavé Shoulder Set Ring

From ¥324,900 JPY

Eden vine solitaire engagement ring with a princess-cut lab-grown emerald centre stone and diamond accents, front view.

EDEN
Princess Emerald & Diamond 950 Platinum Vine Solitaire Ring

From ¥368,200 JPY

Hidden Halo

PARIS
Radiant Pink Sapphire & Diamond 950 Platinum Petite Hidden Halo

From ¥353,100 JPY

Allure solitaire engagement ring with a round pink lab-grown sapphire centre stone, front view.

ALLURE
Round Pink Sapphire Solitaire Engagement Ring 950 Platinum

From ¥382,900 JPY

Lillie Luxe solitaire engagement ring with a round lab-grown ruby centre stone, front view.

LILLIE LUXE
Round Ruby Solitaire Engagement Ring 18k White Gold

From ¥263,800 JPY

Lottie solitaire engagement ring with a round lab-grown emerald centre stone, front view.

LOTTIE
Round Emerald Solitaire Engagement Ring 950 Platinum

From ¥220,500 JPY

Alya starburst cluster engagement ring in 18k yellow gold with an oval aquamarine-blue lab-grown sapphire centre stone, front view.

ALYA
Oval Aquamarine Blue Sapphire Starburst Cluster Shoulder Set Engagement Ring 18k Yellow Gold

From ¥446,400 JPY

Alya starburst cluster engagement ring with an oval lab-grown emerald centre stone, front view.

ALYA
Oval Emerald Starburst Cluster Shoulder Set Engagement Ring 950 Platinum

From ¥344,800 JPY

Alya starburst cluster engagement ring in 18k rose gold with an oval lab-grown alexandrite centre stone, front view.

ALYA
Oval Alexandrite Starburst Cluster Shoulder Set Engagement Ring 18k Rose Gold

From ¥446,400 JPY

Louella trilogy engagement ring with an oval morganite-pink lab-grown sapphire centre stone, front view.

LOUELLA
Oval Morganite Pink Sapphire Oval Petite Trilogy Engagement Ring 950 Platinum

From ¥439,500 JPY

Louella trilogy engagement ring in 18k yellow gold with an oval lab-grown alexandrite centre stone, front view.

LOUELLA
Oval Alexandrite Oval Petite Trilogy Engagement Ring 18k Yellow Gold

From ¥439,500 JPY

Macy shoulder-set engagement ring in 18k yellow gold with a round lab-grown ruby centre stone, front view.

MACY
Round Ruby 18k Yellow Gold Petite Pavé Shoulder Set Ring

From ¥263,800 JPY

2026 Award Nominations

Award Winning Jeweller

We’re proud to be recognised consistently by the UK jewellery industry’s leading awards programmes. In 2026, Lily Arkwright has been shortlisted for Branded Boutique of the Year at the Professional Jeweller Awards and Bridal Jewellery Retailer of the Year at the UK Jewellery Awards, reflecting our continued commitment to exceptional customer service, product innovation, and ethical craftsmanship.

These latest nominations build on previous industry recognition, including being shortlisted for Bridal Jewellery Retailer of the Year at the 2025 UK Jewellery Awards and Independent Retailer of the Year at the Professional Jeweller Awards 2025. We were also finalists for Retail Team of the Year at both the Retail Jeweller Awards and Professional Jeweller Awards in 2024, recognising the passion, expertise, and dedication of our team.

We’re honoured to be recognised for helping thousands of couples find the perfect engagement rings and wedding rings, with a strong focus on choice, transparency, and personalisation. As an award-winning jeweller, we remain committed to delivering exceptional service, exceptional craftsmanship, and responsibly sourced lab-grown diamonds, moissanite, and natural diamonds, ensuring every customer can find a ring that perfectly reflects their love story.