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 $67,518.In the last month, prices for these diamonds are down 1.2%.Compare 863 verified listings across 12 retailers tracked by CaratRadar.
4 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 863 verified 4-carat round natural diamonds in the 4.00–4.49 carat benchmark range, listed across 12 online retailers. Prices in this segment range from $321 to $476,872, with an average asking price of $67,518 and a median of $62,275.
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.
863 diamonds tracked in the 4.00–4.49 carat benchmark
Price range: $321 to $476,872
Average price: $67,518
Median price: $62,275
Available across 12 retailers
Savings potential: up to 99.9%
Price Range Overview
As of Oct 14, 2026Real market range for this carat, shape, and diamond type.
863
$321
$67,518
$62,275
$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 18.3%IGI | 4.03ct | Round | K | SI1 | Excellent
From $17,887
Compare at $21,889
Save 18.3%IGI | 4.01ct | Round | K | SI1 | Excellent
From $18,453
Compare at $22,581
Save 18.3%EGL | 4.01ct | Round | M | SI2 | Ideal
From $18,830
Compare at $23,043
Save 18.3%IGI | 4.01ct | Round | K | SI1 | Excellent
From $19,104
Compare at $23,378
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 18.3%IGI | 4.03ct | Round | K | SI2 | Ideal
From $20,156
Compare at $24,666
IGI | 4.01ct | Round | K | SI2 | Ideal
From $21,262
Compare at $23,128
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
IGI | 4.01ct | Round | K | SI1 | Excellent
From $22,906
Compare at $25,322
GIA | 4.46ct | Round | L | SI2 | Excellent
From $22,998
Compare at $25,002
Save 19.1%IGI | 4ct | Round | J | SI1 | Excellent
From $23,236
Compare at $28,711
Save 19.1%GIA | 4.01ct | Round | M | SI2 | Excellent
From $23,377
Compare at $28,886
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
Save 19.1%IGI | 4.01ct | Round | K | SI2 | Ideal
From $24,039
Compare at $29,703
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%HRD | 4.01ct | Round | H | SI2 | Ideal
From $24,113
Compare at $29,796
Save 19.1%IGI | 4ct | Round | L | VS2 | Very Good
From $24,128
Compare at $29,814
Save 20.9%HRD | 4.01ct | Round | J | SI2 | Ideal
From $24,170
Compare at $30,558
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 11.5%IGI | 4.03ct | Round | I | SI2 | Ideal
From $25,370
Compare at $28,676
Save 19.1%GIA | 4.02ct | Round | L | SI2 | Excellent
From $25,443
Compare at $31,438
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
Save 19.1%IGI | 4.01ct | Round | K | VS2 | Excellent
From $25,928
Compare at $32,037
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
Save 19.1%IGI | 4.01ct | Round | J | SI2 | Ideal
From $26,394
Compare at $32,615
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
Save 19.1%IGI | 4.09ct | Round | I | SI2 | Ideal
From $26,470
Compare at $32,707
Save 19.1%GIA | 4.21ct | Round | K | SI2 | Very Good
From $26,480
Compare at $32,721
Save 17.1%IGI | 4.03ct | Round | J | SI2 | Ideal
From $26,700
Compare at $32,196
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 19.1%IGI | 4ct | Round | K | VS1 | Excellent
From $26,954
Compare at $33,305
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 $62,275 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 863 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 $67,518 with a median around $62,275.
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 $67,518. The median price is $62,275, 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 $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.