0.4 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 0.4 carat heart lab grown diamonds usually range from $200 to $440, with an average price of $259.In the last month, prices for these diamonds are down 2.7%.Compare 171 verified listings across 3 retailers tracked by CaratRadar.
0.4 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 171 verified 0.4-carat heart lab grown diamonds listed across 3 online retailers. Prices in this segment range from $200 to $440, with an average asking price of $259 and a median of $258.
The price spread of $240 (54.5% 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.
171 diamonds tracked in this segment
Price range: $200 to $440
Average price: $259
Median price: $258
Available across 3 retailers
Savings potential: up to 54.5%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
171
$200
$259
$258
$440
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 56.5%0.35ct | Heart | D | VS1 | Very Good
From $214
Compare at $492
IGISave 40.6%0.35ct | Heart | D | VVS1 | Excellent
From $267
Compare at $449
IGISave 56.5%0.35ct | Heart | D | VS1 | Good
From $214
Compare at $492
IGISave 34%0.35ct | Heart | E | VS1 | Very Good
From $243
Compare at $369
IGISave 56.5%0.35ct | Heart | D | VS1 | Very Good
From $214
Compare at $492
IGISave 33.6%0.35ct | Heart | E | VVS2 | Very Good
From $249
Compare at $375
IGISave 29.4%0.35ct | Heart | D | VVS2 | Very Good
From $261
Compare at $370
IGISave 56.5%0.35ct | Heart | D | VS1 | Very Good
From $214
Compare at $492
IGISave 33.8%0.35ct | Heart | D | VS1 | Very Good
From $249
Compare at $376
IGISave 35.9%0.36ct | Heart | E | VS1 | Good
From $231
Compare at $360
IGISave 61.1%0.36ct | Heart | E | IF | Very Good
From $372
Compare at $955
IGISave 40.7%0.36ct | Heart | E | IF | Ideal
From $256
Compare at $432
IGISave 32.4%0.36ct | Heart | D | VS1 | Very Good
From $243
Compare at $360
IGISave 56.2%0.36ct | Heart | D | VS2 | Ideal
From $220
Compare at $502
IGISave 53.6%0.36ct | Heart | D | VVS2 | Ideal
From $265
Compare at $571
IGISave 56.2%0.36ct | Heart | D | VS1 | Good
From $220
Compare at $502
IGISave 33.6%0.36ct | Heart | D | VVS2 | Ideal
From $278
Compare at $419
IGISave 33.8%0.36ct | Heart | E | VVS2 | Very Good
From $264
Compare at $399
IGISave 55.6%0.36ct | Heart | E | VVS2 | Very Good
From $229
Compare at $516
IGISave 40.8%0.36ct | Heart | E | VVS2 | Ideal
From $229
Compare at $387
IGISave 56.9%0.36ct | Heart | E | VS1 | Ideal
From $209
Compare at $485
IGISave 27.6%0.36ct | Heart | E | VS1 | Very Good
From $250
Compare at $346
IGISave 32.4%0.36ct | Heart | D | VS1 | Ideal
From $243
Compare at $360
IGISave 36%0.37ct | Heart | E | VS2 | Very Good
From $224
Compare at $350
IGISave 54.7%0.37ct | Heart | E | VS1 | Very Good
From $245
Compare at $540
IGISave 33.7%0.37ct | Heart | D | VVS2 | Ideal
From $286
Compare at $431
IGISave 55.9%0.37ct | Heart | E | VVS2 | Very Good
From $226
Compare at $512
IGISave 33.7%0.37ct | Heart | E | VS1 | Ideal
From $257
Compare at $388
IGISave 33.7%0.37ct | Heart | D | VVS2 | Excellent
From $286
Compare at $431
IGISave 33.7%0.37ct | Heart | D | VVS2 | Ideal
From $286
Compare at $431
IGISave 33.7%0.37ct | Heart | D | VVS2 | Very Good
From $286
Compare at $431
IGISave 32.4%0.37ct | Heart | D | VS1 | Ideal
From $250
Compare at $370
IGISave 40.9%0.37ct | Heart | D | VS1 | Very Good
From $226
Compare at $382
IGISave 57%0.37ct | Heart | D | VS1 | Ideal
From $207
Compare at $482
IGISave 57%0.37ct | Heart | E | VS1 | Ideal
From $207
Compare at $482
IGISave 40.8%0.37ct | Heart | D | VVS2 | Ideal
From $245
Compare at $413
IGISave 57%0.37ct | Heart | E | VS2 | Ideal
From $207
Compare at $482
IGISave 33.7%0.37ct | Heart | D | VVS2 | Good
From $286
Compare at $431
IGISave 56%0.38ct | Heart | F | VVS2 | Ideal
From $222
Compare at $506
IGISave 28%0.38ct | Heart | D | VVS2 | Very Good
From $294
Compare at $408
IGISave 28%0.38ct | Heart | D | VVS2 | Excellent
From $294
Compare at $408
IGISave 40.6%0.38ct | Heart | D | VVS2 | Ideal
From $251
Compare at $423
IGISave 40.6%0.38ct | Heart | D | VVS2 | Excellent
From $251
Compare at $423
IGISave 56.6%0.38ct | Heart | D | VVS2 | Good
From $213
Compare at $491
IGISave 33.8%0.38ct | Heart | E | VS1 | Very Good
From $264
Compare at $399
IGISave 33.5%0.38ct | Heart | E | VVS2 | Good
From $279
Compare at $419
IGISave 28%0.38ct | Heart | D | VVS2 | Very Good
From $294
Compare at $408
IGISave 20.9%0.38ct | Heart | E | VVS1 | Ideal
From $360
Compare at $455
IGISave 41%0.38ct | Heart | D | VS1 | Ideal
From $232
Compare at $393
IGISave 56.4%0.38ct | Heart | D | VS1 | Very Good
From $217
Compare at $498
Entry pricing in this category starts around $200.
What to Know When Shopping for 0.4 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $240 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 $258 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.
- 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 171 comparable stones in this segment. Prices start around $200 and go up to $440.
Based on the latest market data, the average asking price is about $259 with a median around $258.
The observed spread is roughly $240 across tracked listings, which is about 54.5% 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 $258, 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 3 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 $240 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 Lab Grown inventory for 0.4 carat Heart diamonds.