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0Velur Price Index · Status 13.11.2026
Price Index for Laboratory-Grown Diamonds
How much a lab-grown diamond costs per carat compared to a natural diamond, and how the price is changing. To determine this, we analyze the listings in our diamond feed every night.
921 €
per carat for a 1-carat round lab-grown diamond at Velur
17 %
the price of a natural diamond of the same size
100,3
Velur Index Laboratory-Grown Diamonds (November 12, 2026 = 100)
Prices per carat today
Typical price per carat at Velur for a round stone, color D through H, clarity VS2 or better. The price of the stone is calculated by multiplying the value by the weight: 1.5 carats at €900 per carat comes to approximately €1,350.
| Carat | Lab-grown diamond per carat | Per carat, of course | Laboratory as a percentage of nature | Stones |
|---|---|---|---|---|
| 0,5 Carat | 1.140 € | 2.353 € | 48 % | Stones with 0,5 View Carat |
| 1 Carat | 921 € | 5.490 € | 17 % | Stones with 1 View Carat |
| 1,5 Carat | 830 € | 8.530 € | 10 % | Stones with 1,5 View Carat |
| 2 Carat | 911 € | 13.010 € | 7 % | Stones with 2 View Carat |
| 3 Carat | 647 € | 19.592 € | 3 % | Stones with 3 View Carat |
Median Velur selling prices, including VAT, recalculated every night. Individual stones may be priced higher or lower; current offers are listed on the Carat pages.
Velur Index
How the price per carat has changed since the first day of measurement, averaged across five shapes and five carat weights. 100 represents the price on the first day; 95 means 5% lower.
Since 12.11.2026 · 2 Days
| Carat | Lab-grown diamonds | Natural Diamonds |
|---|---|---|
| 0,5 Carat | 100,4 | 100,9 |
| 1 Carat | 100,4 | 100,3 |
| 1,5 Carat | 100,3 | 100,4 |
| 2 Carat | 100,1 | 100,3 |
| 3 Carat | 100,3 | 99,2 |
The index is based on the purchase prices in the feed, not on our selling prices. Thus, it reflects market movements and not price changes by Velur.
Market Review Since 2015
Selected key figures from external sources. They are calculated differently from the Velur Index and are not linked to it.
1.800 $ je Carat
Average wholesale price for a 1-carat lab-grown diamond in mid-2018 (round, D to H, VS to VVS, traded in India).
rund 80 $ je Carat
The same wholesale price in the second quarter of 2026. Since 2026, the survey has included certified stones from smaller purchases rather than entire lots; therefore, the two figures are only roughly comparable.
90 bis 95 % günstiger
Industry analyst Paul Zimnisky's estimate of wholesale prices for lab-grown diamonds in March 2025, compared to 2015.
Source: JCK, 19.03.2025
10.750 $ → 1.455 $
Price of a 1.5-carat lab-grown diamond in mid-2015 and 2025, with no information provided regarding quality or trade grade.
Source: Natural Diamond Council, June 5, 2025 · Trade Association for Natural Diamonds
All amounts are in U.S. dollars, as stated by the sources. Wholesale prices are not retail prices.
This Is How the Values Are Derived
- Source
- The listings in our Diamond Feed feature several hundred thousand loose diamonds from international suppliers. We update it every night at 3:40 a.m.
- Selection
- Fixed basket per tier: Color D through H, clarity VS2 through flawless, excellent polish and symmetry; for round stones, cut is also included. Lab-grown diamonds with IGI or GIA certificates; natural diamonds with GIA certificates.
- Levels and Forms
- 0.5 / 1 / 1.5 / 2 / 3 carats, with up to 0.09 carats above each of these weights. Round, oval, emerald, cushion, and pear.
- Calculation
- Median price per carat based on up to 50 stones in the middle of the range. The index calculates the average by giving equal weight to all shapes and grades.
- What Is Not Included
- Rings, settings, and engravings. These are list prices, not final sales prices.
Cite and Embed
You are free to use these values as long as you cite the source (CC BY 4.0). Please link to this page when doing so.
Suggested Citation
Laut Velur Preisindex kostete ein runder Labordiamant mit 1 Carat am 13.11.2026 bei Velur 921 € je Carat. Quelle: Velur Preisindex, https://velur.de/diamanten/preisindex/
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<p>Quelle: <a href="https://velur.de/diamanten/preisindex/">Velur Preisindex Labordiamanten</a></p>View lab-grown diamonds
All loose lab-grown diamonds from the feed, listed with price, certificate, and photo; filterable by shape and carat weight.
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The difference between carat sizes
0.5 Carat
1.0 Carat
1.5 Carat
2.0 Carat
See the difference