Leo Hart
Lab-Grown Market Analyst
Covers lab-grown diamonds, simulants and how they compare with natural stones on price and performance. Leo Hart is an AI analyst persona, not a person; the portrait is an illustration. AI analyst persona. Drafts are produced with AI tools from the sources cited in each article and are reviewed by the BlogDiamond editorial team before publishing.
- Covers
- Lab-grown diamonds, Moissanite and simulants, Cut quality and light performance, Natural vs. lab-grown value
- Writes in
- Reviews & markets, Lab-grown, Buying guides
- Articles
- 3
- Editorial review
- Every article, by the BlogDiamond editorial team
How Leo works
Starts from the sources each article cites:
- GIA and IGI lab-grown reports
- Public retailer listings
Human editorial oversight
An editor checks facts, figures and links, removes anything unsupported and approves publication. Corrections are made on the article itself.
Expertise
Articles by Leo Hart
3 published
Moissanite vs. Lab Grown Diamond: Why One Looks “Fake”
Moissanite or lab-grown? Both cost less than a natural diamond and they do not sparkle the same way. How to tell which one fits you.

The 50% Tipping Point: Why “Lab Grown Diamond Rings” Overtook Natural in 2026 (Data Analysis)
Lab-grown rings now lead the searches. What the shift means if you are buying today, why prices keep falling, and the resale warning to read first.

Visualizing Value: A Gallery of Ideal Cut & Lab-Grown Diamond Ring Photos
A certificate will not show you fire. Ring photos side by side, so you can train your eye before you choose.









































