4.1 Carat Round Lab Grown Diamond Prices Comparison
As of February 2026, 4.1 carat round lab grown diamonds usually range from $633 to $403,092, with an average price of $1,911.In the last month, prices for these diamonds are down 2.8%.Compare 5,063 verified listings across 13 retailers tracked by CaratRadar.
4.1 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 5,063 verified 4.1-carat round lab grown diamonds listed across 13 online retailers. Prices in this segment range from $633 to $403,092, with an average asking price of $1,911 and a median of $1,235.
The price spread of $402,459 (99.8% 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.
5,063 diamonds tracked in this segment
Price range: $633 to $403,092
Average price: $1,911
Median price: $1,235
Available across 13 retailers
Savings potential: up to 99.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
5,063
$633
$1,911
$1,235
$403,092
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 80.8%4.05ct | Round | F | VVS1 | Ideal
From $1,899
Compare at $9,880
IGISave 88.7%4.05ct | Round | G | VS1 | Ideal
From $890
Compare at $7,860
IGISave 80.6%4.05ct | Round | H | VS1 | Ideal
From $672
Compare at $3,470
IGISave 88.7%4.05ct | Round | G | VS1 | Ideal
From $890
Compare at $7,860
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
IGISave 80.4%4.05ct | Round | H | VS1 | Ideal
From $679
Compare at $3,470
IGISave 81%4.05ct | Round | G | VS1 | Ideal
From $724
Compare at $3,820
IGISave 80.3%4.05ct | Round | G | VS1 | Ideal
From $754
Compare at $3,820
IGISave 81.1%4.05ct | Round | E | SI1 | Ideal
From $731
Compare at $3,860
GIASave 82.7%4.05ct | Round | D | VVS1 | Excellent
From $3,892
Compare at $22,493
GIASave 72.6%4.05ct | Round | D | VVS2 | Excellent
From $3,393
Compare at $12,384
GIASave 73.2%4.05ct | Round | D | FL | Excellent
From $12,084
Compare at $45,031
IGISave 81%4.05ct | Round | G | VS1 | Ideal
From $718
Compare at $3,770
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
IGISave 80.2%4.05ct | Round | G | VS1 | Ideal
From $748
Compare at $3,770
IGISave 81.1%4.05ct | Round | G | VVS2 | Ideal
From $737
Compare at $3,910
GIASave 81.5%4.05ct | Round | D | VVS2 | Excellent
From $2,678
Compare at $14,440
GIASave 82.2%4.05ct | Round | D | VVS1 | Excellent
From $4,272
Compare at $23,940
GIASave 59.6%4.05ct | Round | E | VS2 | Excellent
From $7,412
Compare at $18,340
GIASave 81.5%4.05ct | Round | D | VVS2 | Excellent
From $2,678
Compare at $14,440
GIASave 73%4.05ct | Round | F | VS1 | Excellent
From $2,529
Compare at $9,380
GIASave 60.7%4.05ct | Round | E | VS2 | Excellent
From $3,651
Compare at $9,280
GIASave 81.9%4.05ct | Round | D | VS1 | Excellent
From $4,365
Compare at $24,120
GIASave 27.7%4.05ct | Round | F | VS1 | Ideal
From $6,622
Compare at $9,160
GIASave 82.1%4.05ct | Round | D | VVS1 | Excellent
From $4,193
Compare at $23,480
GIASave 68.8%4.05ct | Round | F | VVS2 | Excellent
From $3,270
Compare at $10,490
GIASave 75.7%4.05ct | Round | D | VVS1 | Excellent
From $5,479
Compare at $22,527
IGISave 81%4.05ct | Round | G | VS1 | Ideal
From $718
Compare at $3,770
IGISave 80.7%4.05ct | Round | H | VS1 | Ideal
From $679
Compare at $3,520
IGISave 81.1%4.05ct | Round | G | VVS2 | Ideal
From $737
Compare at $3,910
IGISave 79.6%4.05ct | Round | G | VS1 | Ideal
From $767
Compare at $3,770
IGISave 80.3%4.05ct | Round | G | VS1 | Ideal
From $761
Compare at $3,860
IGISave 80.7%4.05ct | Round | H | VS1 | Ideal
From $679
Compare at $3,520
IGISave 81.2%4.05ct | Round | G | VVS2 | Ideal
From $744
Compare at $3,960
IGISave 86%4.05ct | Round | D | VS1 | Ideal
From $1,145
Compare at $8,180
IGISave 80.5%4.05ct | Round | I | VS1 | Ideal
From $685
Compare at $3,520
IGISave 82.2%4.05ct | Round | F | IF | Ideal
From $4,760
Compare at $26,790
IGISave 83.6%4.05ct | Round | F | VVS1 | Ideal
From $1,937
Compare at $11,830
IGISave 81.2%4.05ct | Round | G | VVS2 | Ideal
From $744
Compare at $3,960
IGISave 81%4.05ct | Round | G | VS1 | Ideal
From $724
Compare at $3,820
IGISave 83.1%4.05ct | Round | G | VS2 | Ideal
From $718
Compare at $4,250
IGISave 80.5%4.05ct | Round | G | VVS2 | Ideal
From $774
Compare at $3,960
IGISave 84.4%4.05ct | Round | G | VS1 | Ideal
From $735
Compare at $4,700
IGISave 61.3%4.05ct | Round | D | VS1 | Ideal
From $1,770
Compare at $4,567
IGISave 88.7%4.05ct | Round | E | VS2 | Ideal
From $997
Compare at $8,820
IGISave 80.6%4.05ct | Round | H | VS1 | Ideal
From $672
Compare at $3,470
IGISave 80.9%4.05ct | Round | G | VS1 | Ideal
From $711
Compare at $3,720
Entry pricing in this category starts around $633.
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 $402,459 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 $1,235 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 5,063 comparable stones in this segment. Prices start around $633 and go up to $403,092.
Based on the latest market data, the average asking price is about $1,911 with a median around $1,235.
The observed spread is roughly $402,459 across tracked listings, which is about 99.8% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $1,235, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 13 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 $402,459 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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