Lab Grown vs Natural Diamond

Lab‑grown and natural diamonds differ in price and resale value. Use CaratBase to compare them instantly and see how much each could be worth.

How it works for a lab‑grown vs natural diamond comparison

Open the Lab Grown vs Natural Diamond page.
Enter the carat, cut, color, and clarity for the diamond you want to compare.
Click “Compare” to see the retail price, resale range (5‑12% for lab‑grown, 25‑40% for natural), and the value difference.
Review the charts and tables that explain the price model and market trends.
Save the comparison to your My Vault on your device for later reference.

Free use of the calculator – no account required.
250+ reference pages, 37 ring sizes in 5 systems, 21 gem types.
No licensing or appraisal services; just a price model.
Widgets (ring sizer, diamond size chart, gold calculator) available for free with a “Powered by CaratBase” line.
Widget Pro: $12/month per domain – no attribution, custom call to action.
Leads for independent jewelers: first 3 free, then $40 per accepted lead (Atlanta only).

Question? How accurate is the resale estimate? The resale ranges are based on market data: 25‑40% for natural diamonds and 5‑12% for lab‑grown.

Question? Do I need to create an account to use the calculator? No. The tool is free and works without an account.

Question? Can I use the calculator on my website? Yes. Embed the free widgets or upgrade to Widget Pro for a branded experience.

Updated 2026-10-26