4.1 Carat Radiant Lab Grown Diamond Prices Comparison
As of April 2026, 4.1 carat radiant lab grown diamonds usually range from $565 to $20,303, with an average price of $3,017.In the last month, prices for these diamonds are down 1.5%.Compare 2,998 verified listings across 10 retailers tracked by CaratRadar.
4.1 Carat Radiant Lab Grown Diamond Market Overview
CaratRadar currently tracks 2,998 verified 4.1-carat radiant lab grown diamonds listed across 10 online retailers. Prices in this segment range from $565 to $20,302, with an average asking price of $3,017 and a median of $2,191.
The price spread of $19,738 (97.2% 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.
2,998 diamonds tracked in this segment
Price range: $565 to $20,302
Average price: $3,017
Median price: $2,191
Available across 10 retailers
Savings potential: up to 97.2%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
2,998
$565
$3,017
$2,191
$20,303
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 77.8%GCAL | 4.1ct | Radiant | D | FL | Excellent
From $13,047
Compare at $58,860
Save 77.2%GCAL | 4.1ct | Radiant | G | VS1 | Excellent
From $2,180
Compare at $9,560
Save 77.2%GCAL | 4.1ct | Radiant | G | VS1 | Excellent
From $2,180
Compare at $9,560
Save 70.6%GCAL | 4.1ct | Radiant | E | VVS2 | Ideal
From $2,540
Compare at $8,640
Save 70.8%GCAL | 4.1ct | Radiant | D | VS2 | Ideal
From $2,508
Compare at $8,600
Save 70.9%GCAL | 4.1ct | Radiant | D | VS1 | Ideal
From $2,593
Compare at $8,920
Save 77.2%GCAL | 4.1ct | Radiant | E | VS1 | Ideal
From $2,445
Compare at $10,740
Save 72.5%GIA | 4.1ct | Radiant | F | VVS2 | Excellent
From $3,229
Compare at $11,750
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 72.5%GIA | 4.1ct | Radiant | F | VVS2 | Excellent
From $3,229
Compare at $11,750
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 34.3%GIA | 4.1ct | Radiant | F | VS1 | Very Good
From $3,875
Compare at $5,894
Save 46%GIA | 4.1ct | Radiant | F | VS2 | Excellent
From $1,850
Compare at $3,425
Save 67.3%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $3,764
Compare at $11,520
Save 75.8%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,707
Compare at $27,710
Save 10.6%GIA | 4.1ct | Radiant | D | FL | Ideal
From $31,680
Compare at $35,418
Save 77.4%GIA | 4.1ct | Radiant | E | VVS2 | Excellent
From $7,562
Compare at $33,520
Save 61.9%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $7,164
Compare at $18,805
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 73.6%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $4,710
Compare at $17,870
Save 76.9%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,060
Compare at $26,280
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 70%GIA | 4.1ct | Radiant | D | VVS1 | Ideal
From $8,655
Compare at $28,880
GIA | 4.1ct | Radiant | E | VVS2 | Ideal
From $9,980
Save 73.6%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $4,778
Compare at $18,130
Save 69.4%GIA | 4.1ct | Radiant | E | VVS2 | Excellent
From $2,641
Compare at $8,640
Save 67.5%GIA | 4.1ct | Radiant | E | VVS2 | Ideal
From $3,245
Compare at $9,980
Save 65.8%GIA | 4.1ct | Radiant | E | VVS1 | Excellent
From $5,754
Compare at $16,802
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 73.6%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $4,710
Compare at $17,870
Save 62.1%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $4,495
Compare at $11,845
Save 75.8%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,707
Compare at $27,710
Save 74.2%GIA | 4.1ct | Radiant | F | VVS1 | Excellent
From $5,155
Compare at $19,990
Save 73.6%GIA | 4.1ct | Radiant | D | VVS2 | Excellent
From $4,710
Compare at $17,870
Save 75.8%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,707
Compare at $27,710
Save 62%GIA | 4.1ct | Radiant | E | VVS2 | Excellent
From $4,404
Compare at $11,600
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 66%GIA | 4.1ct | Radiant | D | VVS1 | Excellent
From $6,401
Compare at $18,805
Save 35.2%GIA | 4.1ct | Radiant | D | VVS2 | Ideal
From $5,680
Compare at $8,763
Save 11.7%IGI | 4.1ct | Radiant | H | VS2 | Excellent
From $1,887
Compare at $2,138
Save 81.4%IGI | 4.1ct | Radiant | G | VS1 | Ideal
From $1,286
Compare at $6,910
Save 37.3%IGI | 4.1ct | Radiant | H | VS1 | Ideal
From $940
Compare at $1,499
Save 44.3%IGI | 4.1ct | Radiant | G | VS1 | Excellent
From $1,996
Compare at $3,586
Save 81.4%IGI | 4.1ct | Radiant | G | VS1 | Ideal
From $1,286
Compare at $6,910
Save 49.8%IGI | 4.1ct | Radiant | F | VS1 | Ideal
From $2,248
Compare at $4,479
Save 22.5%IGI | 4.1ct | Radiant | H | VVS2 | Ideal
From $955
Compare at $1,232
Save 22.5%IGI | 4.1ct | Radiant | H | VS1 | Ideal
From $955
Compare at $1,232
Entry pricing in this category starts around $565.
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 $19,738 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 $2,191 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 2,998 comparable stones in this segment. Prices start around $565 and go up to $20,302.
Based on the latest market data, the average asking price is about $3,017 with a median around $2,191.
The observed spread is roughly $19,738 across tracked listings, which is about 97.2% 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 $2,191, 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 10 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 $19,738 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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