Editor’s Note
This analysis highlights the UK’s rapidly expanding market for lab-grown gemstones, driven by ethical consumerism and technological progress. With significant projected growth, these sustainable alternatives are reshaping the jewelry industry.
The UK lab grown stones market size was estimated at USD 1.14 billion in 2025 and is projected to reach USD 1.76 billion by 2033, growing at a CAGR of 5.0% from 2026 to 2033. The market is experiencing robust growth, primarily due to rising consumer preferences for ethically sourced and environmentally sustainable gemstones, the increasing acceptance of lab-grown diamonds in the bridal and fine jewelry segments, technological advancements that have narrowed the visual and chemical differences between mined and lab-grown stones, and competitive pricing that appeals to both retailers and end-consumers.
By end use, the jewelry segment accounted for the largest revenue share of over 87.0% in 2025.
By stone type, the diamonds segment accounted for the largest revenue share of over 86.0% in 2025.
By production method, the chemical vapor deposition segment is anticipated to register the fastest CAGR of 5.7% from 2026 to 2033.
2025 Market Size: USD 1.14 Billion
2033 Projected Market Size: USD 1.76 Billion
CAGR (2026-2033): 5.0%
The growth of the UK lab grown stones industry is driven primarily by the increasing emphasis of consumers on sustainability and ethical sourcing. Unlike mined diamonds, which are often associated with high carbon emissions, environmental degradation, and complex traceability issues, lab-grown stones offer a transparent and eco-friendly alternative. With drastically lower mining impact, reduced water consumption, and the use of renewable energy in advanced production facilities, lab-grown stones are becoming the preferred choice among environmentally conscious buyers, brands, and retailers. Jewelry houses across the UK are actively promoting sustainability credentials in their product portfolios, further accelerating mainstream adoption.
Consumer preference is also shifting rapidly in favour of lab-grown diamonds due to their affordability, visual brilliance, and identical physical and chemical composition compared to natural stones. Millennials and Gen-Z demographics, who prioritise value, modern aesthetics, and clear product traceability, are driving strong demand within the bridal and personalised jewelry category. Retailers are increasingly showcasing lab-grown stones alongside mined diamonds, giving customers broader flexibility in terms of size, clarity, and customisation without compromising quality. This growing acceptance, driven by digital-first jewelry platforms, increased marketing transparency, and shifting perceptions of luxury, continues to bolster the overall preference for lab-grown stones in the UK market.
The growth of the UK lab grown stones market is largely driven by the rising consumer demand for ethical, environmentally friendly, and affordable alternatives to mined stones. Lab-grown diamonds offer significantly lower environmental impact, reduced carbon emissions, minimal water usage, and avoid the ethical issues often associated with mining. Moreover, their relative affordability compared to natural diamonds, while delivering almost identical visual and physical characteristics, makes them highly attractive to value-conscious buyers and younger demographics seeking budget-savvy luxury.
