4.1 Carat Round Lab Grown Diamond Prices Comparison
As of May 2026, 4.1 carat round lab grown diamonds usually range from $545 to $21,655, with an average price of $3,167.In the last month, prices for these diamonds are down 3%.Compare 869 verified listings across 12 retailers tracked by CaratRadar.
4.1 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 869 verified 4.1-carat round lab grown diamonds listed across 12 online retailers. Prices in this segment range from $545 to $21,655, with an average asking price of $3,167 and a median of $2,342.
The price spread of $21,110 (97.5% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
869 diamonds tracked in this segment
Price range: $545 to $21,655
Average price: $3,167
Median price: $2,342
Available across 12 retailers
Savings potential: up to 97.5%
Price Range Overview
As of May 30, 2026Real market range for this carat, shape, and diamond type.
869
$545
$3,167
$2,342
$21,655
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 74.4%IGI | 4.15ct | Round | E | VS2 | Excellent
From $774
Compare at $3,025
Save 65.5%IGI | 4.17ct | Round | F | VS1 | Ideal
From $786
Compare at $2,278
Save 68.8%IGI | 4.15ct | Round | D | SI1 | Ideal
From $800
Compare at $2,566
Save 75%IGI | 4.11ct | Round | E | VS1 | Excellent
From $802
Compare at $3,205
Save 75%IGI | 4.11ct | Round | E | VS1 | Excellent
From $802
Compare at $3,205
Save 75%IGI | 4.11ct | Round | E | VS1 | Excellent
From $802
Compare at $3,205
Save 75%IGI | 4.11ct | Round | E | VS1 | Excellent
From $802
Compare at $3,205
Save 75%IGI | 4.12ct | Round | E | VS1 | Excellent
From $804
Compare at $3,210
Save 75%IGI | 4.13ct | Round | E | VS1 | Excellent
From $806
Compare at $3,220
Save 74.7%IGI | 4.11ct | Round | E | VS1 | Excellent
From $811
Compare at $3,205
Save 74.7%IGI | 4.11ct | Round | E | VS1 | Excellent
From $811
Compare at $3,205
Save 74.7%IGI | 4.12ct | Round | E | VS1 | Excellent
From $813
Compare at $3,210
Save 75%IGI | 4.18ct | Round | E | VS1 | Excellent
From $815
Compare at $3,260
Save 75%IGI | 4.19ct | Round | E | VS1 | Excellent
From $817
Compare at $3,265
Save 75%IGI | 4.2ct | Round | E | VS1 | Excellent
From $819
Compare at $3,275
Save 67.3%IGI | 4.11ct | Round | D | SI1 | Excellent
From $821
Compare at $2,514
Save 64.2%IGI | 4.1ct | Round | F | VVS2 | Ideal
From $835
Compare at $2,331
Save 70.5%IGI | 4.1ct | Round | E | VS2 | Excellent
From $836
Compare at $2,831
Save 73.8%IGI | 4.1ct | Round | E | VS1 | Excellent
From $836
Compare at $3,195
Save 73.8%IGI | 4.1ct | Round | E | VS1 | Excellent
From $836
Compare at $3,195
Save 73.8%IGI | 4.1ct | Round | E | VS1 | Excellent
From $836
Compare at $3,195
Save 64.2%IGI | 4.2ct | Round | E | VS1 | Excellent
From $855
Compare at $2,387
Save 60.9%IGI | 4.1ct | Round | F | VS1 | Ideal
From $865
Compare at $2,212
Save 60.9%IGI | 4.1ct | Round | F | VS1 | Ideal
From $865
Compare at $2,212
Save 64.9%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $876
Compare at $2,494
Save 79.7%IGI | 4.12ct | Round | E | VVS2 | Excellent
From $884
Compare at $4,365
Save 64.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $885
Compare at $2,497
Save 79.9%IGI | 4.16ct | Round | E | VVS2 | Excellent
From $887
Compare at $4,405
Save 61.4%IGI | 4.1ct | Round | F | VVS2 | Excellent
From $894
Compare at $2,319
Save 71.9%IGI | 4.14ct | Round | F | VVS2 | Ideal
From $897
Compare at $3,189
Save 71%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $905
Compare at $3,123
Save 66.7%IGI | 4.1ct | Round | F | VVS2 | Ideal
From $909
Compare at $2,733
Save 61.6%IGI | 4.17ct | Round | F | VVS2 | Ideal
From $926
Compare at $2,410
Save 61.7%IGI | 4.19ct | Round | F | VVS2 | Ideal
From $931
Compare at $2,432
Save 61.7%IGI | 4.19ct | Round | F | VVS2 | Ideal
From $931
Compare at $2,432
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Ideal
From $932
Compare at $2,494
Save 62.6%IGI | 4.1ct | Round | E | VVS2 | Excellent
From $939
Compare at $2,508
Save 63.6%IGI | 4.19ct | Round | E | VVS2 | Ideal
From $943
Compare at $2,592
Save 76.5%IGI | 4.17ct | Round | D | VS2 | Excellent
From $948
Compare at $4,040
Save 58.1%IGI | 4.11ct | Round | E | VS2 | Excellent
From $970
Compare at $2,314
Save 38%IGI | 4.1ct | Round | E | VS1 | Ideal
From $970
Compare at $1,564
Entry pricing in this category starts around $545.
What to Know When Shopping for 4.1 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $21,110 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $2,342 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 869 comparable stones in this segment. Prices start around $545 and go up to $21,655.
Based on the latest market data, the average asking price is about $3,167 with a median around $2,342.
The observed spread is roughly $21,110 across tracked listings, which is about 97.5% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $3,167. The median price is $2,342, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 12 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $21,110 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
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