4 Carat Round Natural Diamond Prices Comparison
As of October 2026, 4 carat round natural diamonds in the 4.00–4.49 carat benchmark range usually range from $321 to $476,872, with an average price of $67,511.In the last month, prices for these diamonds are down 1.1%.Compare 872 verified listings across 11 retailers tracked by CaratRadar.
4 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 872 verified 4-carat round natural diamonds in the 4.00–4.49 carat benchmark range, listed across 11 online retailers. Prices in this segment range from $321 to $476,872, with an average asking price of $67,511 and a median of $62,269.
The price spread of $476,551 (99.9% 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 use the same benchmark range throughout the page and 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.
872 diamonds tracked in the 4.00–4.49 carat benchmark
Price range: $321 to $476,872
Average price: $67,511
Median price: $62,269
Available across 11 retailers
Savings potential: up to 99.9%
Price Range Overview
As of Oct 13, 2026Real market range for this carat, shape, and diamond type.
872
$321
$67,511
$62,269
$476,872
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
IGI | 4.01ct | Round | G | I1 | Ideal
From $5,970
Compare at $6,220
Save 12.1%IGI | 4.1ct | Round | E | I1 | Very Good
From $12,263
Compare at $13,949
Save 15.6%IGI | 4.11ct | Round | L | SI2 | Excellent
From $16,387
Compare at $19,424
Save 18.3%IGI | 4ct | Round | M | SI1 | Very Good
From $16,855
Compare at $20,625
Save 11%IGI | 4.03ct | Round | K | SI1 | Excellent
From $17,887
Compare at $20,101
Save 11%IGI | 4.01ct | Round | K | SI1 | Excellent
From $18,453
Compare at $20,741
Save 10.1%IGI | 4.01ct | Round | K | SI1 | Excellent
From $19,104
Compare at $21,245
Save 18.3%HRD | 4.02ct | Round | K | SI2 | Very Good
From $19,503
Compare at $23,867
Save 12.2%IGI | 4ct | Round | K | SI1 | Excellent
From $19,706
Compare at $22,435
Save 12.6%IGI | 4.02ct | Round | J | SI2 | Very Good
From $21,540
Compare at $24,641
Save 12.8%HRD | 4.1ct | Round | J | SI2 | Ideal
From $22,420
Compare at $25,708
Save 18.3%HRD | 4.04ct | Round | M | VS2 | Excellent
From $22,430
Compare at $27,449
Save 21.6%GIA | 4.23ct | Round | L | SI1 | Ideal
From $22,492
Compare at $28,695
IGI | 4ct | Round | J | VS2 | Very Good
From $22,527
Compare at $24,952
Save 18.9%IGI | 4.01ct | Round | K | SI1 | Excellent
From $22,906
Compare at $28,247
GIA | 4.46ct | Round | L | SI2 | Excellent
From $22,998
Compare at $25,002
IGI | 4ct | Round | J | SI1 | Excellent
From $23,236
Compare at $25,740
GIA | 4.02ct | Round | J | SI2 | Excellent
From $23,410
Compare at $24,554
Save 21.4%GIA | 4.01ct | Round | L | SI1 | Excellent
From $23,604
Compare at $30,028
Save 15.3%IGI | 4.1ct | Round | L | VS1 | Ideal
From $23,965
Compare at $28,304
GIA | 4.02ct | Round | L | SI2 | Excellent
From $24,077
Compare at $24,117
GIA | 4.02ct | Round | L | SI2 | Ideal
From $24,077
Compare at $24,117
Save 19.1%GIA | 4ct | Round | M | SI1 | Excellent
From $24,723
Compare at $30,549
Save 26.4%GIA | 4.04ct | Round | L | SI1 | Ideal
From $24,934
Compare at $33,890
Save 42.9%GIA | 4.05ct | Round | L | VS2 | Very Good
From $25,022
Compare at $43,855
Save 21.1%IGI | 4.03ct | Round | I | SI2 | Ideal
From $25,370
Compare at $32,161
Save 17.1%GIA | 4.02ct | Round | L | SI2 | Excellent
From $25,443
Compare at $30,675
Save 19.7%GIA | 4.02ct | Round | L | SI2 | Excellent
From $25,471
Compare at $31,723
IGI | 4ct | Round | K | VVS2 | Good
From $25,566
Compare at $27,310
GIA | 4.03ct | Round | L | SI2 | Excellent
From $25,769
Compare at $25,820
IGI | 4.01ct | Round | K | VS2 | Excellent
From $25,928
Compare at $28,737
GIA | 4ct | Round | K | SI1 | Very Good
From $26,213
Compare at $28,197
GIA | 4.02ct | Round | L | SI2 | Ideal
From $26,340
Compare at $28,216
Save 19.1%IGI | 4.02ct | Round | L | SI1 | Excellent
From $26,340
Compare at $32,547
IGI | 4.01ct | Round | J | SI2 | Ideal
From $26,394
Compare at $26,909
IGI | 4.15ct | Round | J | VS2 | Excellent
From $26,415
Compare at $29,280
Save 22.9%GIA | 4.16ct | Round | L | VS2 | Excellent
From $26,449
Compare at $34,314
Save 19.1%IGI | 4.01ct | Round | I | SI2 | Excellent
From $26,460
Compare at $32,696
GIA | 4.21ct | Round | K | SI2 | Very Good
From $26,480
Compare at $29,085
Save 22.9%GIA | 4.03ct | Round | L | SI2 | Excellent
From $26,731
Compare at $34,687
GIA | 4.02ct | Round | L | SI2 | Ideal
From $26,791
Compare at $26,850
Save 13.7%IGI | 4.04ct | Round | I | SI2 | Ideal
From $26,900
Compare at $31,162
IGI | 4ct | Round | K | VS1 | Excellent
From $26,954
Compare at $29,880
Save 19.1%GIA | 4ct | Round | M | VVS1 | Excellent
From $26,979
Compare at $33,336
Save 10.7%GIA | 4.01ct | Round | K | SI2 | Excellent
From $26,987
Compare at $30,222
Save 20%GIA | 4.01ct | Round | K | SI2 | Excellent
From $26,988
Compare at $33,756
Save 23%GIA | 4.02ct | Round | L | SI1 | Excellent
From $27,058
Compare at $35,119
GIA | 4.08ct | Round | K | SI2 | Excellent
From $27,134
Compare at $27,637
IGI | 4.01ct | Round | J | SI1 | Excellent
From $27,144
Compare at $30,093
IGI | 4ct | Round | J | VS2 | Excellent
From $27,152
Compare at $30,101
Entry pricing in this benchmark range starts around $321.
What to Know When Shopping for 4 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $476,551 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 $62,269 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- 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 872 comparable stones in the 4.00–4.49 carat benchmark range. Prices start around $321 and go up to $476,872.
Based on the latest market data, the average asking price is about $67,511 with a median around $62,269.
The observed spread is roughly $476,551 across tracked listings, which is about 99.9% from highest to lowest offer in the 4.00–4.49 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $67,511. The median price is $62,269, 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 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 $476,551 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.
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Tracking Natural inventory for the 4.00–4.49 carat Round diamond benchmark.