Lab-Grown Diamond Engagement Rings: The Data Behind the Boom
Lab-grown diamonds now account for nearly half of all US engagement ring purchases. Here’s what the data actually shows — and what it means for couples shopping today.
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Something significant has happened in the diamond industry over the past five years. What was once a niche product — laboratory-grown diamonds — has moved to the center of the engagement ring market with a speed that has surprised almost everyone in the industry, including those of us who work in it daily.
This article does not argue for or against lab-grown diamonds. It presents the data — where it comes from, what it shows, and what it means for anyone shopping for an engagement ring in 2025.
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## The Numbers: How Fast Has the Market Shifted?
The growth of lab-grown diamonds in the engagement ring category has been one of the fastest consumer shifts in modern jewelry history.
According to a 2025 research report from BriteCo, a jewelry and watch insurer whose findings are based on proprietary appraisal and insurance data collected over five years, lab-grown diamonds accounted for more than 45% of engagement ring purchases in the US by 2024. That figure was in the low single digits just a decade ago.
The trajectory is even more striking when viewed over a longer timeframe. Lab-grown diamonds represented 52% of engagement ring adoption in 2024, compared to just 12% in 2019 — a more than fourfold increase in five years.
Independent diamond analytics firm Edahn Golan, which tracks sales data from approximately 1,300 US jewelry retailers, confirms the pattern. In February 2023, lab-grown diamonds accounted for 17.3% of diamond engagement ring sales — a significant increase from the 1.7% share they held three years prior.
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## The Price Gap: Where the Shift Is Coming From
The primary driver of this shift is price — specifically, the widening gap between lab-grown and natural diamond prices.
By 2025, the average retail price of a 1-carat lab-grown diamond had fallen to $1,000 or less, compared to approximately $4,200 for a natural 1-carat diamond.
That is a price differential of more than 75%. For a category where the average engagement ring budget sits between $3,000 and $7,000, this gap has material consequences for what buyers can actually afford.
The response from consumers has been predictable: many are using the savings not to spend less, but to buy larger. The average lab-grown engagement ring center diamond increased from 1.31 carats in 2019 to 2.45 carats in 2025 — nearly doubling in size over six years. Lab-grown engagement rings now feature average center stones of 2.0 carats, compared to 1.6 carats for natural diamonds.
Quality has followed size. In 2025, 85.9% of lab-grown diamonds sold were colorless, up from 37.7% in 2020. Buyers are not just buying bigger stones — they are buying better ones.
-----
## Who Is Driving the Demand?
The generational pattern in lab-grown diamond adoption is consistent across every data source that has examined it.
Two-thirds of Gen Z engagement ring purchasers opted for lab-grown diamonds, according to BriteCo’s report. 70% of Millennials consider lab-grown diamonds for engagement rings, prioritizing sustainability and affordability.
The reasons vary by individual, but the data identifies two dominant factors. 31% of consumers cite price as the primary factor for choosing lab-grown, while 60% of Gen Z report being influenced by environmental concerns.
This combination — financial pragmatism and ethical consideration — appears to be the core of the lab-grown appeal for younger buyers. They are not simply choosing a cheaper stone. Many are making a deliberate decision about what they want their purchase to represent.
-----
## The Market in Numbers
The commercial scale of this shift is reflected in market valuations.
The global lab-grown diamonds market was valued at $29.73 billion in 2025 and is predicted to grow to approximately $97.85 billion by 2034, at a compound annual growth rate of 14.15%.
Production has scaled dramatically to meet this demand. Production of lab-grown diamonds crossed 9 million carats in 2023, compared to only 1 million carats in 2010. Manufacturing technology has improved in parallel: technological advancements have reduced production time from two weeks to less than five days.
The United States remains the dominant consumer market. The US accounts for approximately 50% of global demand for lab-grown diamonds, with retail penetration rising from 3% in 2018 to 19% in 2023.
-----
## The Natural Diamond Counter-Trend
The data also contains a nuance that receives less attention than the headline growth figures.
BriteCo’s report, which tracks ongoing sales data, noted that at the end of 2024, 52.6% of engagement rings sold featured natural diamonds — and natural diamonds saw a comeback over the past two quarters of 2025, rising to 57.3% of sales. BriteCo acknowledged that the data sample is limited and does not yet confirm a clear directional shift, but flagged it as a potential early trend.
This suggests that while lab-grown diamonds have captured a large and durable share of the market, the story is not one of inevitable replacement. Natural diamonds retain meaningful appeal — particularly among buyers for whom provenance, rarity, and long-term value are priorities.
Only 33% of consumers prefer lab-grown over natural diamonds when resale value is considered — indicating that the resale question remains a genuine concern for a significant portion of buyers, and one that lab-grown diamond proponents have not yet fully addressed.
-----
## What the Data Does Not Tell You
Statistics describe aggregate behavior. They do not make individual decisions.
The question of whether to choose a lab-grown or natural diamond for an engagement ring is not one that data can answer. It depends on what the buyer values: size and quality per dollar, environmental considerations, the emotional weight of a stone with geological history, long-term resale expectations, or some combination of all of these.
What the data does confirm is that both choices are now mainstream. Choosing a lab-grown diamond does not mark you as an outlier — nearly half of US engagement ring buyers made that choice in 2024. Choosing a natural diamond does not mark you as behind the times — the majority of rings purchased still contain them.
-----
## What This Means at Madano
At our studio on 5th Avenue, we work with both natural and lab-grown diamonds. Our supply chain runs through Israel’s Diamond Exchange in Ramat Gan — one of the world’s primary trading hubs for both categories — which means we source directly and can offer competitive pricing on both.
We do not steer clients toward one or the other. We present the options, the tradeoffs, and the stones themselves — in real light, in the settings being considered — and let the decision belong to the buyer.
Every stone we sell, regardless of origin, is certified by GIA, IGI, or CGL. Every ring comes with a certificate of authenticity and a full insurance appraisal. And every client receives a private consultation rather than a showroom walk-through.
The market has changed. What has not changed is that an engagement ring is a significant purchase that deserves significant attention — from the person selling it as much as the person buying it.
**Book a private consultation at our 5th Avenue studio →**
**Explore our lab-grown diamond collection →**
**Explore our natural diamond collection →**
-----
**Sources:**
- BriteCo: *The Lab-Grown vs. Natural Diamond Report* (2025) — brite.co
- Edahn Golan Diamond Research & Data: *Diamond Analytics Forecast* (2025) — edahngolan.com
- Precedence Research: *Lab-Grown Diamonds Market Size 2025–2034* — precedenceresearch.com
- Industry Research Biz: *Lab-Grown Diamond Market* (2025) — industryresearch.biz
- Accio Business Intelligence: *2025 Lab Grown Diamond Ring Trends* — accio.com
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The Rise of Lab-Grown Diamond Engagement Rings: What the Data Actually Shows
Lab-Grown Diamond Engagement Rings: The Data Behind the Boom
Lab-grown diamonds now account for nearly half of all US engagement ring purchases. Here’s what the data actually shows — and what it means for couples shopping today.
-----
Something significant has happened in the diamond industry over the past five years. What was once a niche product — laboratory-grown diamonds — has moved to the center of the engagement ring market with a speed that has surprised almost everyone in the industry, including those of us who work in it daily.
This article does not argue for or against lab-grown diamonds. It presents the data — where it comes from, what it shows, and what it means for anyone shopping for an engagement ring in 2025.
-----
## The Numbers: How Fast Has the Market Shifted?
The growth of lab-grown diamonds in the engagement ring category has been one of the fastest consumer shifts in modern jewelry history.
According to a 2025 research report from BriteCo, a jewelry and watch insurer whose findings are based on proprietary appraisal and insurance data collected over five years, lab-grown diamonds accounted for more than 45% of engagement ring purchases in the US by 2024. That figure was in the low single digits just a decade ago.
The trajectory is even more striking when viewed over a longer timeframe. Lab-grown diamonds represented 52% of engagement ring adoption in 2024, compared to just 12% in 2019 — a more than fourfold increase in five years.
Independent diamond analytics firm Edahn Golan, which tracks sales data from approximately 1,300 US jewelry retailers, confirms the pattern. In February 2023, lab-grown diamonds accounted for 17.3% of diamond engagement ring sales — a significant increase from the 1.7% share they held three years prior.
-----
## The Price Gap: Where the Shift Is Coming From
The primary driver of this shift is price — specifically, the widening gap between lab-grown and natural diamond prices.
By 2025, the average retail price of a 1-carat lab-grown diamond had fallen to $1,000 or less, compared to approximately $4,200 for a natural 1-carat diamond.
That is a price differential of more than 75%. For a category where the average engagement ring budget sits between $3,000 and $7,000, this gap has material consequences for what buyers can actually afford.
The response from consumers has been predictable: many are using the savings not to spend less, but to buy larger. The average lab-grown engagement ring center diamond increased from 1.31 carats in 2019 to 2.45 carats in 2025 — nearly doubling in size over six years. Lab-grown engagement rings now feature average center stones of 2.0 carats, compared to 1.6 carats for natural diamonds.
Quality has followed size. In 2025, 85.9% of lab-grown diamonds sold were colorless, up from 37.7% in 2020. Buyers are not just buying bigger stones — they are buying better ones.
-----
## Who Is Driving the Demand?
The generational pattern in lab-grown diamond adoption is consistent across every data source that has examined it.
Two-thirds of Gen Z engagement ring purchasers opted for lab-grown diamonds, according to BriteCo’s report. 70% of Millennials consider lab-grown diamonds for engagement rings, prioritizing sustainability and affordability.
The reasons vary by individual, but the data identifies two dominant factors. 31% of consumers cite price as the primary factor for choosing lab-grown, while 60% of Gen Z report being influenced by environmental concerns.
This combination — financial pragmatism and ethical consideration — appears to be the core of the lab-grown appeal for younger buyers. They are not simply choosing a cheaper stone. Many are making a deliberate decision about what they want their purchase to represent.
-----
## The Market in Numbers
The commercial scale of this shift is reflected in market valuations.
The global lab-grown diamonds market was valued at $29.73 billion in 2025 and is predicted to grow to approximately $97.85 billion by 2034, at a compound annual growth rate of 14.15%.
Production has scaled dramatically to meet this demand. Production of lab-grown diamonds crossed 9 million carats in 2023, compared to only 1 million carats in 2010. Manufacturing technology has improved in parallel: technological advancements have reduced production time from two weeks to less than five days.
The United States remains the dominant consumer market. The US accounts for approximately 50% of global demand for lab-grown diamonds, with retail penetration rising from 3% in 2018 to 19% in 2023.
-----
## The Natural Diamond Counter-Trend
The data also contains a nuance that receives less attention than the headline growth figures.
BriteCo’s report, which tracks ongoing sales data, noted that at the end of 2024, 52.6% of engagement rings sold featured natural diamonds — and natural diamonds saw a comeback over the past two quarters of 2025, rising to 57.3% of sales. BriteCo acknowledged that the data sample is limited and does not yet confirm a clear directional shift, but flagged it as a potential early trend.
This suggests that while lab-grown diamonds have captured a large and durable share of the market, the story is not one of inevitable replacement. Natural diamonds retain meaningful appeal — particularly among buyers for whom provenance, rarity, and long-term value are priorities.
Only 33% of consumers prefer lab-grown over natural diamonds when resale value is considered — indicating that the resale question remains a genuine concern for a significant portion of buyers, and one that lab-grown diamond proponents have not yet fully addressed.
-----
## What the Data Does Not Tell You
Statistics describe aggregate behavior. They do not make individual decisions.
The question of whether to choose a lab-grown or natural diamond for an engagement ring is not one that data can answer. It depends on what the buyer values: size and quality per dollar, environmental considerations, the emotional weight of a stone with geological history, long-term resale expectations, or some combination of all of these.
What the data does confirm is that both choices are now mainstream. Choosing a lab-grown diamond does not mark you as an outlier — nearly half of US engagement ring buyers made that choice in 2024. Choosing a natural diamond does not mark you as behind the times — the majority of rings purchased still contain them.
-----
## What This Means at Madano
At our studio on 5th Avenue, we work with both natural and lab-grown diamonds. Our supply chain runs through Israel’s Diamond Exchange in Ramat Gan — one of the world’s primary trading hubs for both categories — which means we source directly and can offer competitive pricing on both.
We do not steer clients toward one or the other. We present the options, the tradeoffs, and the stones themselves — in real light, in the settings being considered — and let the decision belong to the buyer.
Every stone we sell, regardless of origin, is certified by GIA, IGI, or CGL. Every ring comes with a certificate of authenticity and a full insurance appraisal. And every client receives a private consultation rather than a showroom walk-through.
The market has changed. What has not changed is that an engagement ring is a significant purchase that deserves significant attention — from the person selling it as much as the person buying it.
**Book a private consultation at our 5th Avenue studio →**
**Explore our lab-grown diamond collection →**
**Explore our natural diamond collection →**
-----
**Sources:**
- BriteCo: *The Lab-Grown vs. Natural Diamond Report* (2025) — brite.co
- Edahn Golan Diamond Research & Data: *Diamond Analytics Forecast* (2025) — edahngolan.com
- Precedence Research: *Lab-Grown Diamonds Market Size 2025–2034* — precedenceresearch.com
- Industry Research Biz: *Lab-Grown Diamond Market* (2025) — industryresearch.biz
- Accio Business Intelligence: *2025 Lab Grown Diamond Ring Trends* — accio.com
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