0.4 Carat Natural Diamond Prices Comparison
As of April 2026, the average price of a 0.4 carat natural diamond is $800.0.4 carat diamonds can cost anywhere from $156 to $21,286 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 2.4%.Compare 23,168 verified listings across 6 retailers in the tables below.
0.4 Carat Natural Diamond Market Overview
CaratRadar currently tracks 23,168 verified 0.4-carat natural diamonds listed across 6 online retailers. Prices in this segment range from $156 to $21,286, with an average asking price of $800 and a median of $757.
The price spread of $21,130 (99.3% 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.
23,168 diamonds tracked in this segment
Price range: $156 to $21,286
Average price: $800
Median price: $757
Available across 6 retailers
Savings potential: up to 99.3%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
23,168
$156
$800
$757
$21,286
Price History
Price Comparison Matrix
0.4 Carat Natural Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 13.9%GIA | 0.41ct | Asscher | H | VVS1 | Ideal
From $528
Compare at $613
GIA | 0.41ct | Asscher | F | SI1 | Excellent
From $425
Compare at $454
Save 12.5%GIA | 0.41ct | Asscher | D | VVS1 | Excellent
From $887
Compare at $1,014
Save 26.2%GIA | 0.41ct | Asscher | F | VVS1 | Excellent
From $632
Compare at $856
GIA | 0.41ct | Asscher | D | VVS1 | Excellent
From $798
Compare at $831
Save 15.8%GIA | 0.41ct | Asscher | E | VS1 | Excellent
From $982
Compare at $1,166
Save 19.6%GIA | 0.41ct | Asscher | E | IF | Excellent
From $675
Compare at $840
Save 14.8%GIA | 0.41ct | Asscher | G | VVS1 | Excellent
From $693
Compare at $813
Save 15.9%GIA | 0.41ct | Asscher | D | IF | Excellent
From $920
Compare at $1,093
Save 17.7%GIA | 0.42ct | Asscher | G | VVS1 | Very Good
From $609
Compare at $740
IGI | 0.42ct | Asscher | I | VVS1 | Very Good
From $740
Compare at $740
Save 34.2%GIA | 0.43ct | Asscher | D | VS1 | Very Good
From $667
Compare at $1,013
Save 23.3%GIA | 0.43ct | Asscher | D | VS1 | Very Good
From $622
Compare at $811
IGI | 0.43ct | Asscher | I | VS2 | Very Good
From $627
Compare at $630
Save 31.8%GIA | 0.44ct | Asscher | D | VVS1 | Very Good
From $687
Compare at $1,008
Save 18.5%GIA | 0.45ct | Asscher | I | VVS2 | Excellent
From $717
Compare at $880
Save 28.4%GIA | 0.45ct | Asscher | D | VVS1 | Excellent
From $1,604
Compare at $2,241
Save 10.1%GIA | 0.45ct | Asscher | G | IF | Good
From $1,435
Compare at $1,597
Save 27.1%GIA | 0.45ct | Asscher | E | FL | Excellent
From $2,271
Compare at $3,114
Save 17.3%GIA | 0.45ct | Asscher | G | VVS1 | Excellent
From $787
Compare at $952
Save 14%GIA | 0.45ct | Asscher | I | VS2 | Very Good
From $456
Compare at $530
Save 20.4%GIA | 0.45ct | Asscher | F | VS2 | Excellent
From $820
Compare at $1,030
IGI | 0.45ct | Asscher | G | SI1 | Very Good
From $720
Compare at $720
Save 10.8%GIA | 0.47ct | Asscher | D | VVS2 | Excellent
From $1,060
Compare at $1,189
Save 20.1%GIA | 0.47ct | Asscher | E | VVS2 | Excellent
From $668
Compare at $836
IGI | 0.47ct | Asscher | G | SI1 | Very Good
From $708
Compare at $710
Save 18.7%GIA | 0.48ct | Asscher | D | SI1 | Very Good
From $873
Compare at $1,073
Save 28.5%GIA | 0.48ct | Asscher | D | IF | Excellent
From $1,848
Compare at $2,585
GIA | 0.48ct | Asscher | F | VS1 | Good
From $1,277
Compare at $1,408
GIA | 0.49ct | Asscher | F | VVS2 | Good
From $1,438
Compare at $1,580
GIA | 0.41ct | Cushion | J | VS1 | Excellent
From $444
Compare at $455
Save 16.2%GIA | 0.41ct | Cushion | D | VVS1 | Excellent
From $966
Compare at $1,153
Save 20.7%GIA | 0.41ct | Cushion | F | VVS2 | Excellent
From $701
Compare at $884
Save 27.4%GIA | 0.41ct | Cushion | D | VS2 | Excellent
From $480
Compare at $661
Save 14.9%GIA | 0.41ct | Cushion | E | SI1 | Good
From $573
Compare at $673
Save 14.8%GIA | 0.41ct | Cushion | H | VVS1 | Very Good
From $790
Compare at $927
Save 26.4%GIA | 0.41ct | Cushion | D | VS2 | Very Good
From $994
Compare at $1,351
Save 16.4%GIA | 0.41ct | Cushion | D | VVS1 | Excellent
From $966
Compare at $1,155
Save 16.2%GIA | 0.41ct | Cushion | D | VVS1 | Excellent
From $966
Compare at $1,153
Save 24%GIA | 0.41ct | Cushion | D | VVS1 | Excellent
From $966
Compare at $1,271
Save 23.7%GIA | 0.41ct | Cushion | D | VS2 | Very Good
From $899
Compare at $1,179
Save 14.7%GIA | 0.41ct | Cushion | E | SI1 | Good
From $568
Compare at $666
Save 12%GIA | 0.41ct | Cushion | H | VS1 | Good
From $619
Compare at $703
Save 23.2%GIA | 0.41ct | Cushion | F | VVS1 | Very Good
From $673
Compare at $877
Save 14.9%GIA | 0.41ct | Cushion | D | VS1 | Excellent
From $904
Compare at $1,062
Save 18%GIA | 0.41ct | Cushion | H | VVS1 | Excellent
From $856
Compare at $1,044
Save 14.9%GIA | 0.41ct | Cushion | H | VVS2 | Ideal
From $538
Compare at $632
Save 20.6%GIA | 0.41ct | Cushion | F | SI2 | Excellent
From $675
Compare at $851
GIA | 0.41ct | Cushion | K | VS1 | Excellent
From $423
Compare at $425
Save 26.3%GIA | 0.41ct | Cushion | E | VS1 | Very Good
From $966
Compare at $1,311
Entry pricing in this category starts around $156.
What to Know When Shopping for 0.4 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $21,130 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 $757 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.
Frequently Asked Questions
We currently track 23,168 comparable stones in this segment. Prices start around $156 and go up to $21,286.
Based on the latest market data, the average asking price is about $800 with a median around $757.
The observed spread is roughly $21,130 across tracked listings, which is about 99.3% 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 $757, 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 6 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 $21,130 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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Tracking Natural inventory for 0.4 carat all-shape diamonds.