Lab-grown diamond jewelers in the United States:Which are most popular?
In September 2026, Brilliant Earth was the most searched lab-grown diamond jeweler in the United States, accounting for 57.4% of all searches among the 12 jewelers we track. When we checked with ChatGPT and Google AI Overviews, Brilliant Earth showed up in every answer. Brilliant Earth was recommended most often, coming first in two out of five responses.
Brilliant EarthShare of searches 57.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
Rare CaratShare of searches 17%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
Frank DarlingShare of searches 7.6%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
Blue NileShare of searches 5.3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
Grown BrillianceShare of searches 3.6%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
Follow lab-grown diamond jewelers and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top lab-grown diamond jewelers in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, Brilliant Earth appeared every time. Brilliant Earth was recommended most often, coming first in two out of five answers. Ritani was second, and Rare Carat was third. Frank Darling, which ranked third in searches, was not mentioned at all.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Brilliant Earth5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Rare Carat3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Blue Nile3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ritani3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
With Clarity3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Grown Brilliance2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
VRAI1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Clean Origin1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Frank Darling0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Keyzar0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ada Diamonds0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Kimaï0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about lab-grown diamond jewelers
5 answers
Asked ChatGPT
“Which lab-grown diamond jeweler should I buy from in the US?”
Asked ChatGPT
“What are the best lab-grown diamond jewelers in the US?”
Asked ChatGPT
“What's the best lab-grown diamond jeweler in the US for an engagement ring?”
Searched Google, AI Overview
“lab grown diamonds”
Searched Google, AI Overview
“lab grown diamond engagement rings”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United States on October 22, 2026.
Which lab-grown diamond jewelers do people search for most?
This chart shows how often people search Google for each lab-grown diamond jeweler by name. Each line represents a brand's share of searches for all 12 lab-grown diamond jewelers we track, month by month, from searches in United States.
Share of searches by month for Brilliant Earth, Rare Carat, Frank Darling, Blue Nile, Grown Brilliance, Ritani, VRAI. The figures are in the table below the chart.
View monthly share of searches table
| Month | Brilliant Earth | Rare Carat | Frank Darling | Blue Nile | Grown Brilliance | Ritani | VRAI | Keyzar | Clean Origin | With Clarity | Ada Diamonds | Kimaï |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 58.2% | 13.9% | 5.1% | 8.4% | 4.4% | 2.4% | 3.1% | 2.3% | 0.68% | 1.2% | 0.19% | 0.17% |
| Nov 2025 | 55.4% | 13.4% | 4% | 12.7% | 5.1% | 2.3% | 2.8% | 2% | 0.8% | 1.2% | 0.15% | 0.13% |
| Dec 2025 | 55.1% | 13.3% | 4% | 13.5% | 5% | 2.3% | 2.8% | 1.6% | 1.2% | 0.97% | 0.13% | 0.11% |
| Jan 2026 | 56.7% | 13.7% | 5% | 11.1% | 5.2% | 1.9% | 2.8% | 1.7% | 0.82% | 0.82% | 0.15% | 0.11% |
| Feb 2026 | 49.7% | 12.1% | 5.4% | 19.7% | 4.7% | 2% | 2.7% | 1.5% | 1.1% | 0.88% | 0.14% | 0.14% |
| Mar 2026 | 48.6% | 11.3% | 5% | 20.8% | 3.6% | 1.9% | 5.6% | 1.5% | 0.55% | 0.82% | 0.13% | 0.13% |
| Apr 2026 | 52.6% | 12.5% | 5.6% | 6.7% | 4% | 2.1% | 12.7% | 1.5% | 1.1% | 0.91% | 0.15% | 0.12% |
| May 2026 | 61.1% | 11.6% | 5.2% | 7.5% | 3.7% | 2% | 5.8% | 1.4% | 0.69% | 0.85% | 0.14% | 0.09% |
| Jun 2026 | 61.9% | 13.1% | 5.8% | 7.8% | 3.4% | 2.2% | 2.4% | 1.6% | 0.64% | 0.95% | 0.16% | 0.08% |
| Jul 2026 | 62.2% | 12.7% | 5.7% | 8.2% | 3.3% | 2.2% | 2.2% | 1.5% | 0.76% | 0.93% | 0.12% | 0.1% |
| Aug 2026 | 57% | 16.5% | 7.4% | 6.6% | 3.5% | 2.8% | 2.3% | 1.9% | 0.98% | 0.98% | 0.16% | 0.09% |
| Sep 2026 | 57.4% | 17% | 7.6% | 5.3% | 3.6% | 2.8% | 2.3% | 1.6% | 1% | 1% | 0.17% | 0.09% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 57.4% | 305K | -2.7% | +0.4 points | |
| 2, held 2nd | 17% | 90.5K | 0% | +0.6 points | |
| 3, held 3rd | 7.6% | 40.5K | 0% | +0.3 points | |
| 4, held 4th | 5.3% | 28.3K | -21.8% | -1.3 points | |
| 5, held 5th | 3.6% | 19.1K | -1.5% | +0.1 points | |
| 6, held 6th | 2.8% | 15K | -0.99% | +0.1 points | |
| 7, held 7th | 2.3% | 12.4K | -0.56% | +0.1 points | |
| 8, held 8th | 1.6% | 8.3K | -18.6% | -0.3 points | |
| 9, held 9th | 1% | 5.4K | 0% | 0 points | |
| 10, held 10th | 1% | 5.4K | 0% | 0 points | |
| 11, held 11th | 0.17% | 880 | 0% | 0 points | |
| 12, held 12th | 0.09% | 480 | 0% | 0 points |
57.4%
Held 1st. 305K estimated branded searches, -2.7% vs prior month. Share +0.4 points.
17%
Held 2nd. 90.5K estimated branded searches, 0% vs prior month. Share +0.6 points.
7.6%
Held 3rd. 40.5K estimated branded searches, 0% vs prior month. Share +0.3 points.
5.3%
Held 4th. 28.3K estimated branded searches, -21.8% vs prior month. Share -1.3 points.
3.6%
Held 5th. 19.1K estimated branded searches, -1.5% vs prior month. Share +0.1 points.
6.
Ritani2.8%
Held 6th. 15K estimated branded searches, -0.99% vs prior month. Share +0.1 points.
7.
VRAI2.3%
Held 7th. 12.4K estimated branded searches, -0.56% vs prior month. Share +0.1 points.
8.
Keyzar1.6%
Held 8th. 8.3K estimated branded searches, -18.6% vs prior month. Share -0.3 points.
1%
Held 9th. 5.4K estimated branded searches, 0% vs prior month. Share 0 points.
10.
With Clarity1%
Held 10th. 5.4K estimated branded searches, 0% vs prior month. Share 0 points.
11.
Ada Diamonds0.17%
Held 11th. 880 estimated branded searches, 0% vs prior month. Share 0 points.
12.
Kimaï0.09%
Held 12th. 480 estimated branded searches, 0% vs prior month. Share 0 points.
Which brand is most popular in search among lab-grown diamond jewelers in the United States?
12 brands
In September 2026, Brilliant Earth was the most searched among lab-grown diamond jewelers in the United States, with an estimated 305K branded searches, 57.4% of all searches for the 12 we track. Rare Carat is in 2nd place, 40.3 percentage points behind at 17%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| Brilliant Earth | 58.2% → 57.4% | 62.2%Jul 2026 | 48.6%Mar 2026 | 1st |
| Rare Carat | 13.9% → 17% | 17%Sep 2026 | 11.3%Mar 2026 | 2nd |
| Frank Darling | 5.1% → 7.6% | 7.6%Sep 2026 | 4%Dec 2025 | 4th → 3rd |
| Blue Nile | 8.4% → 5.3% | 20.8%Mar 2026 | 5.3%Sep 2026 | 3rd → 4th |
| Grown Brilliance | 4.4% → 3.6% | 5.2%Jan 2026 | 3.3%Jul 2026 | 5th |
| Ritani | 2.4% → 2.8% | 2.8%Sep 2026 | 1.9%Mar 2026 | 7th → 6th |
| VRAI | 3.1% → 2.3% | 12.7%Apr 2026 | 2.2%Jul 2026 | 6th → 7th |
| Keyzar | 2.3% → 1.6% | 2.3%Oct 2025 | 1.4%May 2026 | 8th |
| Clean Origin | 0.68% → 1% | 1.2%Dec 2025 | 0.55%Mar 2026 | 10th → 9th |
| With Clarity | 1.2% → 1% | 1.2%Oct 2025 | 0.82%Jan 2026 | 9th → 10th |
| Ada Diamonds | 0.19% → 0.17% | 0.19%Oct 2025 | 0.12%Jul 2026 | 11th |
| Kimaï | 0.17% → 0.09% | 0.17%Oct 2025 | 0.08%Jun 2026 | 12th |
Each finding as a sentence
- Across the 12 months ending September 2026, Brilliant Earth’s share of searches among lab-grown diamond jewelers in the United States decreased from 58.2% to 57.4%.
- Across the 12 months ending September 2026, Rare Carat’s share of searches among lab-grown diamond jewelers in the United States increased from 13.9% to 17%.
- Across the 12 months ending September 2026, Frank Darling’s share of searches among lab-grown diamond jewelers in the United States increased from 5.1% to 7.6%.
- Across the 12 months ending September 2026, Blue Nile’s share of searches among lab-grown diamond jewelers in the United States decreased from 8.4% to 5.3%.
- Across the 12 months ending September 2026, Grown Brilliance’s share of searches among lab-grown diamond jewelers in the United States decreased from 4.4% to 3.6%.
- Across the 12 months ending September 2026, VRAI’s share of searches among lab-grown diamond jewelers in the United States decreased from 3.1% to 2.3%.
- Across the 12 months ending September 2026, Keyzar’s share of searches among lab-grown diamond jewelers in the United States decreased from 2.3% to 1.6%.
- Across the 12 months ending September 2026, Brilliant Earth’s share of searches among lab-grown diamond jewelers in the United States peaked at 62.2% in July 2026 and was lowest at 48.6% in March 2026.
- Across the 12 months ending September 2026, Rare Carat’s share of searches among lab-grown diamond jewelers in the United States peaked at 17% in September 2026 and was lowest at 11.3% in March 2026.
- Across the 12 months ending September 2026, Frank Darling’s share of searches among lab-grown diamond jewelers in the United States peaked at 7.6% in September 2026 and was lowest at 4% in December 2025.
- Across the 12 months ending September 2026, Blue Nile’s share of searches among lab-grown diamond jewelers in the United States peaked at 20.8% in March 2026 and was lowest at 5.3% in September 2026.
- Across the 12 months ending September 2026, Grown Brilliance’s share of searches among lab-grown diamond jewelers in the United States peaked at 5.2% in January 2026 and was lowest at 3.3% in July 2026.
- Across the 12 months ending September 2026, VRAI’s share of searches among lab-grown diamond jewelers in the United States peaked at 12.7% in April 2026 and was lowest at 2.2% in July 2026.
- Across the 12 months ending September 2026, Frank Darling rose from 4th to 3rd among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, Blue Nile fell from 3rd to 4th among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, Ritani rose from 7th to 6th among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, VRAI fell from 6th to 7th among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, Clean Origin rose from 10th to 9th among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, With Clarity fell from 9th to 10th among lab-grown diamond jewelers in the United States.
- Across the 12 months ending September 2026, Ada Diamonds and Kimaï held steady: their share of searches among lab-grown diamond jewelers in the United States each moved less than 0.5 percentage points.
How did search popularity change for United States lab-grown diamond jewelers in September 2026?
8 changes
In September 2026, Rare Carat gained share of searches among lab-grown diamond jewelers in the United States, from 16.5% to 17%.
In September 2026, Blue Nile lost share of searches among lab-grown diamond jewelers in the United States, from 6.6% to 5.3%.
Estimated monthly branded searches for Clean Origin in the United States rose 50% over 12 measured months, from 3.6K to 5.4K in September 2026.
Estimated monthly branded searches for Frank Darling in the United States rose 49.4% over 12 measured months, from 27.1K to 40.5K in September 2026.
Estimated monthly branded searches for Ritani in the United States rose 16.8% over 12 measured months, from 12.8K to 15K in September 2026.
Estimated monthly branded searches for Kimaï in the United States fell 45.5% over 12 measured months, from 880 to 480 in September 2026.
Estimated monthly branded searches for Keyzar in the United States fell 30.8% over 12 measured months, from 12K to 8.3K in September 2026.
Estimated monthly branded searches for VRAI in the United States fell 24.3% over 12 measured months, from 16.4K to 12.4K in September 2026.
Compare popularity between leading brands
- Brilliant Earth vs Rare Carat: compare popularity
- Brilliant Earth vs Frank Darling: compare popularity
- Brilliant Earth vs Blue Nile: compare popularity
- Brilliant Earth vs Grown Brilliance: compare popularity
- Rare Carat vs Frank Darling: compare popularity
- Rare Carat vs Blue Nile: compare popularity
- Rare Carat vs Grown Brilliance: compare popularity
- Frank Darling vs Blue Nile: compare popularity
- Frank Darling vs Grown Brilliance: compare popularity
- Blue Nile vs Grown Brilliance: compare popularity
- Compare any of these brands
See your own brand in this picture
Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.