Top Brands Revolutionizing Lab-Grown Diamonds

As the jewelry industry evolves, lab-grown diamonds have emerged as a popular and eco-friendly alternative to traditional mined gems. These diamonds, indistinguishable from their natural counterparts, are created in a controlled environment, leading to ethical and sustainable production practices. Many reputable brands have embraced this trend and are setting benchmarks for quality and design in the lab-grown diamond market. To explore some of the best names leading this sparkling revolution, continue reading below.

Illustration of lab grown diamonds

Best brands of lab grown diamonds in 2025

Lightbox Jewelry

Lightbox Jewelry, owned by De Beers, is a leading producer of lab-grown diamonds, known for its high-quality and affordable products. In 2024, the brand significantly lowered its prices by up to 40%, with its "Finest" lab-grown diamonds (D-F color, excellent cut, and VS clarity) now priced at $900 per carat, a 40% reduction from the original $1,500 per carat. Lightbox also reduced prices for its I-J color stones by 37.5% to $500 per carat and G-H color stones by 25% to $600 per carat. The brand ensures quality through verification by the Gemological Institute of America (GIA) and manufactures its diamonds using 100% renewable energy at its state-of-the-art facility in Gresham, Oregon. This move aligns with the brand's commitment to transparency and competitive pricing, making lab-grown diamonds more accessible to consumers. For more information, visit Lightbox Jewelry's official website.

Brilliant Earth

Brilliant Earth is a pioneering brand in the lab-grown diamond industry, having started offering these diamonds as early as 2012. The company is known for its commitment to sustainability, introducing the world's largest collection of lab-grown diamonds created using carbon captured before it is released into the atmosphere, and offering SCS sustainability-rated carbon-neutral lab diamonds since 2021. These diamonds are grown, cut, and polished using 100% renewable energy, aligning with the company's mission to meet consumer demands for transparency and sustainability. Brilliant Earth's lab-grown diamonds have the same physical, chemical, and optical characteristics as natural diamonds, making them a popular choice for those seeking environmentally friendly and conflict-free options. The company's sales of lab-grown diamonds have contributed significantly to the market growth, with the overall lab-grown diamond market expected to reach USD 48.42 billion by 2030.

VRAI

VRAI is a leading producer of lab-grown diamonds, renowned for its sustainable and ethical practices. They utilize the Chemical Vapor Deposition (CVD) method, which is more efficient and environmentally friendly than the High Pressure High Temperature (HPHT) method. VRAI's diamonds are grown in a zero-emission foundry powered by the Columbia River, making them Carbon-Neutral Certified. Founded in 2014, VRAI controls its entire supply chain, ensuring transparency and traceability for each diamond. Their production process saves significant amounts of carbon dioxide, air pollution, and earth excavation compared to traditional mining. For more details on their diamond-making process, visit their informative journal page.

Clean Origin

Clean Origin is a leading brand in the lab-grown diamond industry, founded in 2017 and based in Stamford, Connecticut. The company specializes in producing high-quality lab-grown diamonds using advanced techniques such as HPHT and CVD, offering an ethical and environmentally friendly alternative to mined diamonds. Lab-grown diamonds from Clean Origin consume significantly less water and energy, with only 18 gallons of water and 250 million joules per carat, compared to 126 gallons of water and 538.5 million joules for mined diamonds. The market for lab-grown diamonds is projected to grow at a CAGR of 9.8% from 2022 to 2031, reaching $55.6 billion by 2031. Clean Origin's commitment to sustainability and quality has made it a prominent player in the rapidly expanding lab-grown diamond market.

Aether Diamonds

Aether Diamonds is a pioneering brand in the lab-grown diamond industry, renowned for producing the world's first carbon-negative diamonds by capturing and transforming CO2 from the atmosphere into valuable gemstones. Each carat of Aether's diamonds removes approximately 20 metric tons of CO2, equivalent to offsetting about 2.5 years of carbon emissions for the average American. Founded in 2018, Aether has secured $21 million in funding, including an $18 million round in 2022. The company uses 100% renewable energy sources and ensures high-quality diamonds with a minimum H color grade and VS2 clarity. Aether's innovative approach sets a new standard in luxury and sustainability, appealing to consumers who value both quality and environmental responsibility.

MiaDonna

MiaDonna is a leading brand in the lab-grown diamond industry, known for its high-quality and sustainably produced diamonds. Acquired by an Indian grower certified as sustainably rated by SCS Global Services, MiaDonna has expanded its retail presence with a new store in Portland, Oregon, as part of an aggressive retail expansion plan. The brand offers lab-grown diamonds at a fraction of the cost of mined gems, priced approximately 5-10% of the cost of a mined gemstone, with a price point of $395 per carat. MiaDonna's diamonds are created using advanced scientific processes, ensuring precision and consistency. The brand has been a trailblazer in the use of lab-grown diamonds, with CEO Anna-Mieke Anderson pioneering this approach over 15 years ago.

Diamond Foundry

Diamond Foundry is a leading producer of lab-grown diamonds, known for its innovative use of the chemical vapor deposition (CVD) method. The company is set to open a new factory in Trujillo, Spain, which will utilize 168 plasma reactors and produce over 2 million carats of diamonds per year. By the end of 2024, Diamond Foundry aims to ramp up production to 20 million carats annually. With a strong presence in the Americas, particularly in the U.S. and Mexico, the company is driving significant growth in the lab-grown diamond market, which is expected to reach USD 34.06 billion by 2030 with a CAGR of 8.8%. Diamond Foundry's commitment to sustainability and zero carbon footprint further enhances its reputation in the industry.

Pure Grown Diamonds

Pure Grown Diamonds is a leading producer of lab-grown diamonds, known for their high quality and ethical production methods. These diamonds, created through advanced Chemical Vapor Deposition (CVD) and High Pressure High Temperature (HPHT) processes, are chemically, physically, and optically identical to natural diamonds. By 2023, the global lab-grown diamond market, which includes brands like Pure Grown Diamonds, was valued at $22.79 billion and is projected to grow significantly, with Asia Pacific dominating the market with a share of over 44%. Lab-grown diamonds offer up to 90% cost savings compared to natural diamonds and are favored for their environmental sustainability and ethical production. The market is expected to reach $74.45 billion by 2032, with a CAGR of 14.11% from 2024 to 2032.

Charles & Colvard

Charles & Colvard is a leading brand in the lab-grown diamond market, known for its premium products such as the "Caydia" line, which offers high-quality lab-grown diamonds with E, F, or G color and at least VS1 clarity. The company, which has been a pioneer in moissanite since 1996, expanded into lab-grown diamonds as a natural progression, capitalizing on growing consumer demand for sustainable and ethical jewelry. By 2025, lab-grown diamonds are predicted to constitute 12% of the diamond jewelry market, up from 8% in 2021, reflecting the increasing acceptance of these gems. Charles & Colvard's products are hand-selected by certified gemologists and are sold set into jewelry, ensuring top-notch quality and appeal. The company's commitment to sustainability and innovation has made it a significant player in the jewelry industry.

James Allen

James Allen is a prominent player in the lab-grown diamond market, known for its high-quality synthetic diamonds that are significantly cheaper than natural diamonds, with prices dropping as much as 30% in a year. In 2023, lab-grown diamonds, such as those offered by James Allen, accounted for 10% of the total diamond market, up from 3% in 2020, with a notable increase in consumer acceptance and preference, especially among millennials and Gen Z who prefer them for their ethical and environmental benefits.