4.1 Carat Radiant Lab Grown Diamond Prices Comparison
As of February 2026, 4.1 carat radiant lab grown diamonds usually range from $759 to $34,400, with an average price of $2,013.In the last month, prices for these diamonds are down 4.9%.Compare 4,558 verified listings across 11 retailers tracked by CaratRadar.
4.1 Carat Radiant Lab Grown Diamond Market Overview
CaratRadar currently tracks 4,558 verified 4.1-carat radiant lab grown diamonds listed across 11 online retailers. Prices in this segment range from $759 to $34,400, with an average asking price of $2,013 and a median of $1,422.
The price spread of $33,641 (97.8% 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.
4,558 diamonds tracked in this segment
Price range: $759 to $34,400
Average price: $2,013
Median price: $1,422
Available across 11 retailers
Savings potential: up to 97.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
4,558
$759
$2,013
$1,422
$34,400
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 72.4%4.05ct | Radiant | E | VS1 | Ideal
From $3,441
Compare at $12,460
IGISave 72.4%4.05ct | Radiant | E | VS1 | Ideal
From $3,442
Compare at $12,460
GIASave 66.4%4.05ct | Radiant | F | VVS1 | Excellent
From $4,418
Compare at $13,148
IGISave 82.2%4.05ct | Radiant | D | VVS1 | Ideal
From $4,317
Compare at $24,200
IGISave 81.7%4.05ct | Radiant | E | VVS2 | Ideal
From $2,685
Compare at $14,650
GCALSave 66.4%4.05ct | Radiant | D | VVS2 | Ideal
From $5,845
Compare at $17,420
GCALSave 70.9%4.05ct | Radiant | D | VS1 | Ideal
From $3,092
Compare at $10,620
GIASave 66.5%4.05ct | Radiant | E | VVS2 | Ideal
From $3,301
Compare at $9,860
GIASave 66.1%4.05ct | Radiant | D | VVS2 | Excellent
From $3,966
Compare at $11,700
GIASave 84%4.05ct | Radiant | D | VS1 | Excellent
From $4,778
Compare at $29,910
GIASave 73%4.05ct | Radiant | D | VVS2 | Excellent
From $5,610
Compare at $20,800
GIASave 82.8%4.05ct | Radiant | D | VVS1 | Excellent
From $4,475
Compare at $26,073
GIASave 14.2%4.05ct | Radiant | D | VVS1 | Excellent
From $5,834
Compare at $6,802
GIASave 82.2%4.05ct | Radiant | E | VVS2 | Excellent
From $4,626
Compare at $26,010
GIASave 82.3%4.05ct | Radiant | D | VVS1 | Excellent
From $4,938
Compare at $27,840
GIASave 65.8%4.05ct | Radiant | E | VVS2 | Excellent
From $3,918
Compare at $11,459
GIASave 68.5%4.05ct | Radiant | D | VVS1 | Excellent
From $5,864
Compare at $18,623
GIASave 65.8%4.05ct | Radiant | E | VVS2 | Excellent
From $3,918
Compare at $11,459
GIASave 67.4%4.05ct | Radiant | D | VVS1 | Excellent
From $6,075
Compare at $18,623
IGISave 76.5%4.05ct | Radiant | G | VS1 | Ideal
From $1,476
Compare at $6,294
IGISave 20.2%4.05ct | Radiant | H | VVS2 | Ideal
From $957
Compare at $1,199
IGISave 83.3%4.05ct | Radiant | D | VS1 | Ideal
From $1,638
Compare at $9,830
IGISave 51.4%4.05ct | Radiant | E | IF | Ideal
From $3,962
Compare at $8,146
IGISave 86.6%4.05ct | Radiant | E | VS2 | Ideal
From $1,019
Compare at $7,600
IGISave 61.4%4.05ct | Radiant | H | VS1 | Ideal
From $1,363
Compare at $3,530
IGISave 87.1%4.05ct | Radiant | F | VVS2 | Ideal
From $1,281
Compare at $9,940
IGISave 22.1%4.05ct | Radiant | H | VS1 | Ideal
From $957
Compare at $1,229
IGISave 63.8%4.05ct | Radiant | H | VVS2 | Ideal
From $909
Compare at $2,509
IGISave 41.8%4.05ct | Radiant | D | SI1 | Ideal
From $887
Compare at $1,526
IGISave 77.2%4.05ct | Radiant | E | VVS2 | Ideal
From $2,029
Compare at $8,880
IGISave 45.7%4.05ct | Radiant | D | VS1 | Very Good
From $1,639
Compare at $3,018
IGISave 59.1%4.05ct | Radiant | D | SI1 | Ideal
From $1,130
Compare at $2,762
IGISave 79%4.05ct | Radiant | E | VVS2 | Ideal
From $2,038
Compare at $9,690
IGISave 31.5%4.05ct | Radiant | G | VVS2 | Excellent
From $1,435
Compare at $2,094
IGISave 19.4%4.05ct | Radiant | G | VVS2 | Very Good
From $953
Compare at $1,182
IGISave 64.1%4.05ct | Radiant | E | IF | Excellent
From $5,526
Compare at $15,380
IGISave 78.7%4.05ct | Radiant | E | VS1 | Ideal
From $1,590
Compare at $7,470
IGISave 76.8%4.05ct | Radiant | F | VVS2 | Very Good
From $2,269
Compare at $9,800
IGISave 18.7%4.05ct | Radiant | E | SI1 | Very Good
From $759
Compare at $933
IGISave 79.7%4.05ct | Radiant | G | VVS2 | Excellent
From $1,182
Compare at $5,810
IGISave 62.6%4.05ct | Radiant | E | VS1 | Ideal
From $1,303
Compare at $3,480
IGISave 73.2%4.05ct | Radiant | E | VS1 | Very Good
From $1,638
Compare at $6,116
IGISave 73.1%4.05ct | Radiant | E | VVS2 | Very Good
From $1,795
Compare at $6,683
IGISave 58.4%4.05ct | Radiant | E | VVS2 | Excellent
From $1,285
Compare at $3,086
IGISave 82.4%4.05ct | Radiant | E | VS2 | Ideal
From $1,340
Compare at $7,600
IGISave 80.9%4.05ct | Radiant | F | VVS2 | Ideal
From $1,432
Compare at $7,490
IGISave 19%4.05ct | Radiant | E | VS2 | Very Good
From $1,278
Compare at $1,578
IGISave 74.6%4.05ct | Radiant | E | VVS1 | Ideal
From $2,825
Compare at $11,110
IGISave 81.9%4.05ct | Radiant | D | VVS2 | Ideal
From $2,056
Compare at $11,330
IGISave 27%4.05ct | Radiant | D | VS2 | Very Good
From $1,255
Compare at $1,719
Entry pricing in this category starts around $759.
What to Know When Shopping for 4.1 Carat Radiant Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $33,641 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 $1,422 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.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 4,558 comparable stones in this segment. Prices start around $759 and go up to $34,400.
Based on the latest market data, the average asking price is about $2,013 with a median around $1,422.
The observed spread is roughly $33,641 across tracked listings, which is about 97.8% 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 $1,422, 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 11 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 $33,641 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.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
4 Carat Radiant Lab Grown Diamond Prices
4.2 Carat Radiant Lab Grown Diamond Prices
3.9 Carat Radiant Lab Grown Diamond Prices
4.3 Carat Radiant Lab Grown Diamond Prices
3.8 Carat Radiant Lab Grown Diamond Prices
4.4 Carat Radiant Lab Grown Diamond Prices
3.7 Carat Radiant Lab Grown Diamond Prices
4.1 Carat Round Lab Grown Diamond Prices
4.1 Carat Oval Lab Grown Diamond Prices
4.1 Carat Emerald Lab Grown Diamond Prices
4.1 Carat Cushion Lab Grown Diamond Prices
4.1 Carat Princess Lab Grown Diamond Prices
Tracking Lab Grown inventory for 4.1 carat Radiant diamonds.