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r/labdiamond↗

Lab-Created Diamonds

A sub for lab-created (lab-grown) diamonds. Discuss a possible purchase, ask for help, seek advice, and show off your lab-created diamonds!

85k subscribers734 posts / mo in Sep 2026546 authors / mosince 2020

r/labdiamond has 85k members (+40% over the last 12 months). It gets about 734 posts a month from 546 people. Top topics: Diamonds & Jewelry, Engagement Rings and Lab Grown Diamonds.

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When to post on r/labdiamond

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Size and growth

How r/labdiamond has grown

r/labdiamond

Subscriber growth

Subscribers over time

+40%in 12 months · +5.9% in 3 months · +1.2% in 1 month
Oct 202685k
Growing85k subscribers
  • no data — drawn from 0 at creation (Jun 2020)
Live · through Oct 2026
r/labdiamond

Monthly activity

Posts, comments and authors per month

−50%vs Sep 2025 · −15% last 3 months vs the 3 before
Sep 2026734
QuieterPeaked at 1.5k in Sep 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/labdiamond

Top topics

Share of the subreddit's posts

  1. Diamonds & Jewelry9.3%
  2. Engagement Rings5.3%
  3. Lab Grown Diamonds5.2%
  4. Stone Size Discussions4.8%
  5. Lab Grown Diamonds2.8%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Rare Carat
  2. etsy
  3. Ritani
  4. Verifying…
  5. Loose Grown Diamond

The full report

Everything else about r/labdiamond

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research