Brandwave

Kimaï vs Rare Carat:Which is more popular?

In September 2026, Rare Carat had more branded searches than Kimaï among lab-grown diamond jewelers in the United States. Rare Carat had about 90,500 branded searches, while Kimaï had 480. Rare Carat made up 17% of all lab-grown diamond jeweler searches we track, and Kimaï accounted for 0.09%. When we asked ChatGPT and Google AI Overviews about lab-grown diamond jewelers, Rare Carat appeared in three of the five answers and Kimaï in none.

Among lab-grown diamond jewelers in the United States in September 2026

Who do people search for more?

Rare Carat, about 189 searches for every 1 for Kimaï

Rare Carat 90.5K searchesKimaï 480 searches

Who does AI mention more?

Rare Carat, mentioned in 3 of 5 answers, Kimaï in 0

Rare Carat in 3 of 5Kimaï in 0 of 5

Who does AI recommend more?

Rare Carat, the only one of the two named

Rare Carat first in 3Kimaï never named

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Top lab-grown diamond jewelers in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Rare Carat was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Kimaï did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Brilliant Earth1st
  2. Ritani2nd
  3. Rare Carat3rd
  4. Blue Nile4th
  5. With Clarity5th
  6. Grown Brilliance6th
  7. VRAI7th
  8. Clean Origin8th
  9. Frank Darling–
  10. +2 more
  11. Kimaï–

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
  • Kimaï0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about lab-grown diamond jewelers

5 answers

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.

Is Kimaï or Rare Carat more popular in search?

This chart shows how often people search Google for Kimaï and Rare Carat 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.

Kimaï and Rare Carat among lab-grown diamond jewelers in the United States, by month

Share of searches by month for Rare Carat, Kimaï. The figures are in the table below the chart.

View monthly share of searches table
MonthBrilliant EarthRare CaratFrank DarlingBlue NileGrown BrillianceRitaniVRAIKeyzarClean OriginWith ClarityAda DiamondsKimaï
Oct 202558.2%13.9%5.1%8.4%4.4%2.4%3.1%2.3%0.68%1.2%0.19%0.17%
Nov 202555.4%13.4%4%12.7%5.1%2.3%2.8%2%0.8%1.2%0.15%0.13%
Dec 202555.1%13.3%4%13.5%5%2.3%2.8%1.6%1.2%0.97%0.13%0.11%
Jan 202656.7%13.7%5%11.1%5.2%1.9%2.8%1.7%0.82%0.82%0.15%0.11%
Feb 202649.7%12.1%5.4%19.7%4.7%2%2.7%1.5%1.1%0.88%0.14%0.14%
Mar 202648.6%11.3%5%20.8%3.6%1.9%5.6%1.5%0.55%0.82%0.13%0.13%
Apr 202652.6%12.5%5.6%6.7%4%2.1%12.7%1.5%1.1%0.91%0.15%0.12%
May 202661.1%11.6%5.2%7.5%3.7%2%5.8%1.4%0.69%0.85%0.14%0.09%
Jun 202661.9%13.1%5.8%7.8%3.4%2.2%2.4%1.6%0.64%0.95%0.16%0.08%
Jul 202662.2%12.7%5.7%8.2%3.3%2.2%2.2%1.5%0.76%0.93%0.12%0.1%
Aug 202657%16.5%7.4%6.6%3.5%2.8%2.3%1.9%0.98%0.98%0.16%0.09%
Sep 202657.4%17%7.6%5.3%3.6%2.8%2.3%1.6%1%1%0.17%0.09%

How has the Kimaï and Rare Carat comparison changed over the last 12 months?

3 findings

How did search popularity change for United States lab-grown diamond jewelers in September 2026?

2 changes

  1. In September 2026, Rare Carat gained share of searches among lab-grown diamond jewelers in the United States, from 16.5% to 17%.

  2. Estimated monthly branded searches for Kimaï in the United States fell 45.5% over 12 measured months, from 880 to 480 in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Kimaï’s and Rare Carat’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Kimaï

1 branded search term

  • kimai jewelry

Rare Carat

1 branded search term

  • rare carat

How the Brand Demand Index is measured

Other head-to-heads among lab-grown diamond jewelers

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