0.4 Carat Heart Natural Diamond Prices Comparison
As of May 2026, 0.4 carat heart natural diamonds usually range from $268 to $1,729, with an average price of $716.In the last month, prices for these diamonds are down 1%.Compare 378 verified listings across 6 retailers tracked by CaratRadar.
0.4 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 378 verified 0.4-carat heart natural diamonds listed across 6 online retailers. Prices in this segment range from $268 to $1,729, with an average asking price of $716 and a median of $686.
The price spread of $1,460 (84.5% 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.
378 diamonds tracked in this segment
Price range: $268 to $1,729
Average price: $716
Median price: $686
Available across 6 retailers
Savings potential: up to 84.5%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
378
$268
$716
$686
$1,729
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 23%GIA | 0.41ct | Heart | L | SI2 | Very Good
From $281
Compare at $365
Save 32.5%GIA | 0.42ct | Heart | K | VS2 | Excellent
From $305
Compare at $452
Save 31.5%GIA | 0.41ct | Heart | H | SI1 | Excellent
From $317
Compare at $463
Save 31.3%GIA | 0.42ct | Heart | I | SI2 | Excellent
From $322
Compare at $469
Save 23.6%GIA | 0.41ct | Heart | K | VVS1 | Very Good
From $343
Compare at $449
GIA | 0.47ct | Heart | L | VS2 | Very Good
From $343
Compare at $353
Save 28.8%GIA | 0.42ct | Heart | E | SI1 | Excellent
From $355
Compare at $499
Save 26.9%GIA | 0.43ct | Heart | I | SI1 | Excellent
From $358
Compare at $490
GIA | 0.44ct | Heart | K | VS1 | Ideal
From $359
Compare at $393
Save 11.2%GIA | 0.43ct | Heart | K | SI2 | Excellent
From $367
Compare at $413
Save 27.7%GIA | 0.42ct | Heart | J | VVS2 | Good
From $373
Compare at $516
IGI | 0.41ct | Heart | K | SI1 | Ideal
From $377
Compare at $385
IGI | 0.42ct | Heart | K | SI1 | Very Good
From $377
Compare at $385
Save 12.3%GIA | 0.41ct | Heart | I | VS2 | Excellent
From $377
Compare at $430
Save 25%GIA | 0.43ct | Heart | H | SI1 | Excellent
From $387
Compare at $516
Save 25%GIA | 0.44ct | Heart | H | SI1 | Excellent
From $387
Compare at $516
Save 20.1%GIA | 0.41ct | Heart | K | VVS1 | Excellent
From $389
Compare at $487
Save 23%GIA | 0.41ct | Heart | H | VS2 | Very Good
From $390
Compare at $506
Save 23.6%GIA | 0.43ct | Heart | J | VS1 | Very Good
From $395
Compare at $517
Save 17.9%GIA | 0.42ct | Heart | K | SI1 | Very Good
From $398
Compare at $485
Save 25%GIA | 0.41ct | Heart | I | VS2 | Very Good
From $398
Compare at $531
Save 13.1%GIA | 0.42ct | Heart | I | VS1 | Ideal
From $399
Compare at $459
Save 23.4%GIA | 0.47ct | Heart | G | SI1 | Ideal
From $400
Compare at $522
Save 13.3%GIA | 0.42ct | Heart | I | SI1 | Ideal
From $400
Compare at $462
Save 24.1%GIA | 0.44ct | Heart | G | SI2 | Excellent
From $405
Compare at $533
Save 25.1%GIA | 0.42ct | Heart | I | VS2 | Very Good
From $407
Compare at $543
Save 13.5%GIA | 0.43ct | Heart | I | VS2 | Ideal
From $407
Compare at $471
Save 21%GIA | 0.42ct | Heart | J | VS1 | Excellent
From $411
Compare at $520
Save 34%GIA | 0.41ct | Heart | I | VVS1 | Excellent
From $413
Compare at $626
Save 21.1%GIA | 0.41ct | Heart | I | VS2 | Excellent
From $416
Compare at $527
Save 21.1%GIA | 0.41ct | Heart | I | VS2 | Excellent
From $416
Compare at $527
Save 12.9%GIA | 0.41ct | Heart | K | VS1 | Excellent
From $417
Compare at $479
Save 13.8%GIA | 0.41ct | Heart | I | VS1 | Ideal
From $417
Compare at $484
Save 23%GIA | 0.48ct | Heart | G | SI2 | Excellent
From $418
Compare at $543
Save 14%GIA | 0.41ct | Heart | I | VS2 | Ideal
From $419
Compare at $487
Save 14.1%GIA | 0.41ct | Heart | I | SI1 | Ideal
From $419
Compare at $488
IGI | 0.42ct | Heart | K | VS2 | Very Good
From $425
Compare at $435
Save 23.9%GIA | 0.41ct | Heart | F | VS1 | Excellent
From $426
Compare at $560
Save 16.8%GIA | 0.41ct | Heart | J | VS1 | Excellent
From $429
Compare at $515
Save 17.8%GIA | 0.41ct | Heart | F | SI1 | Excellent
From $432
Compare at $526
Save 19.4%GIA | 0.42ct | Heart | G | SI1 | Excellent
From $434
Compare at $538
Save 14.3%GIA | 0.43ct | Heart | K | VS1 | Excellent
From $437
Compare at $510
Save 17.3%GIA | 0.41ct | Heart | J | VS1 | Very Good
From $437
Compare at $528
Save 17%GIA | 0.41ct | Heart | H | SI1 | Excellent
From $438
Compare at $528
Save 15.8%GIA | 0.45ct | Heart | G | VS2 | Very Good
From $438
Compare at $520
Save 20.8%GIA | 0.42ct | Heart | I | VS2 | Excellent
From $440
Compare at $555
Save 12%GIA | 0.46ct | Heart | I | VS1 | Very Good
From $440
Compare at $500
Save 18%GIA | 0.43ct | Heart | J | VVS1 | Excellent
From $442
Compare at $539
Save 12.2%GIA | 0.41ct | Heart | I | VS2 | Ideal
From $447
Compare at $509
Save 20.2%GIA | 0.45ct | Heart | H | VS2 | Excellent
From $447
Compare at $560
Entry pricing in this category starts around $268.
What to Know When Shopping for 0.4 Carat Heart Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $1,460 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 $686 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.
- Heart-shaped diamonds require excellent symmetry to look balanced. Aim for carat weights above 0.5 where the shape is clearly visible.
Frequently Asked Questions
We currently track 378 comparable stones in this segment. Prices start around $268 and go up to $1,729.
Based on the latest market data, the average asking price is about $716 with a median around $686.
The observed spread is roughly $1,460 across tracked listings, which is about 84.5% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $716. The median price is $686, 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 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 $1,460 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 Heart diamonds.