0.4 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 0.4 carat heart lab grown diamonds usually range from $113 to $1,080, with an average price of $386.In the last month, prices for these diamonds are down 1%.Compare 157 verified listings across 2 retailers tracked by CaratRadar.
0.4 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 157 verified 0.4-carat heart lab grown diamonds listed across 2 online retailers. Prices in this segment range from $113 to $1,080, with an average asking price of $386 and a median of $358.
The price spread of $967 (89.5% 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.
157 diamonds tracked in this segment
Price range: $113 to $1,080
Average price: $386
Median price: $358
Available across 2 retailers
Savings potential: up to 89.5%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
157
$113
$386
$359
$1,080
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGI | 0.41ct | Heart | D | VVS2 | Ideal
From $275
Compare at $295
IGI | 0.41ct | Heart | D | VVS2 | Very Good
From $275
Compare at $295
IGI | 0.41ct | Heart | D | VS2 | Good
From $229
Compare at $246
IGI | 0.41ct | Heart | D | VVS2 | Good
From $275
Compare at $295
Save 40%IGI | 0.41ct | Heart | E | VS1 | Ideal
From $216
Compare at $360
Save 24.7%IGI | 0.41ct | Heart | D | VS1 | Very Good
From $196
Compare at $260
Save 35.9%IGI | 0.41ct | Heart | D | VS2 | Ideal
From $250
Compare at $390
Save 28.2%IGI | 0.41ct | Heart | E | VVS2 | Very Good
From $274
Compare at $382
Save 25.6%IGI | 0.41ct | Heart | D | VS1 | Very Good
From $283
Compare at $380
Save 35.9%IGI | 0.41ct | Heart | D | VS1 | Ideal
From $250
Compare at $390
Save 24.7%IGI | 0.41ct | Heart | E | VVS2 | Excellent
From $207
Compare at $275
Save 37.3%IGI | 0.41ct | Heart | D | VVS2 | Ideal
From $232
Compare at $370
Save 37.3%IGI | 0.41ct | Heart | D | VVS2 | Ideal
From $232
Compare at $370
Save 29.6%IGI | 0.41ct | Heart | E | VVS2 | Very Good
From $260
Compare at $370
Save 28.8%IGI | 0.41ct | Heart | E | IF | Very Good
From $320
Compare at $450
Save 43.9%IGI | 0.41ct | Heart | F | VVS2 | Excellent
From $202
Compare at $360
IGI | 0.42ct | Heart | D | VS2 | Very Good
From $235
Compare at $252
IGI | 0.42ct | Heart | D | VS1 | Ideal
From $258
Compare at $276
IGI | 0.42ct | Heart | D | VVS2 | Ideal
From $281
Compare at $302
IGI | 0.42ct | Heart | D | VS1 | Good
From $258
Compare at $276
Save 37.4%IGI | 0.42ct | Heart | D | VVS2 | Ideal
From $238
Compare at $380
IGI | 0.42ct | Heart | D | VS2 | Very Good
From $235
Compare at $252
IGI | 0.42ct | Heart | D | VVS2 | Very Good
From $281
Compare at $302
Save 39.7%IGI | 0.42ct | Heart | E | VVS2 | Ideal
From $229
Compare at $380
Save 31.5%IGI | 0.42ct | Heart | D | VVS1 | Ideal
From $274
Compare at $400
Save 27.5%IGI | 0.42ct | Heart | D | VVS2 | Very Good
From $286
Compare at $394
Save 31.5%IGI | 0.42ct | Heart | D | VVS1 | Ideal
From $274
Compare at $400
IGI | 0.42ct | Heart | D | VVS1 | Very Good
From $273
Compare at $296
Save 37.4%IGI | 0.42ct | Heart | D | VVS2 | Very Good
From $238
Compare at $380
Save 26%IGI | 0.42ct | Heart | E | VS1 | Ideal
From $296
Compare at $400
Save 28.3%IGI | 0.42ct | Heart | D | VS1 | Very Good
From $271
Compare at $378
Save 34.9%IGI | 0.42ct | Heart | D | VVS2 | Excellent
From $254
Compare at $390
Save 31.5%IGI | 0.42ct | Heart | D | VVS1 | Ideal
From $274
Compare at $400
Save 24.7%IGI | 0.42ct | Heart | E | VVS2 | Good
From $217
Compare at $288
IGI | 0.42ct | Heart | D | VS2 | Very Good
From $178
Compare at $190
IGI | 0.42ct | Heart | D | VS1 | Very Good
From $256
Compare at $273
Save 41.3%IGI | 0.43ct | Heart | D | SI1 | Good
From $223
Compare at $380
IGI | 0.43ct | Heart | D | VVS2 | Ideal
From $288
Compare at $309
IGI | 0.43ct | Heart | D | VS1 | Good
From $264
Compare at $283
Save 30.5%IGI | 0.43ct | Heart | E | VS1 | Ideal
From $306
Compare at $440
Save 39.3%IGI | 0.43ct | Heart | D | VVS2 | Ideal
From $243
Compare at $400
Save 26.9%IGI | 0.43ct | Heart | D | VVS2 | Very Good
From $295
Compare at $404
IGI | 0.43ct | Heart | D | VS2 | Ideal
From $241
Compare at $258
Save 34.5%IGI | 0.43ct | Heart | E | VVS2 | Ideal
From $269
Compare at $410
Save 36%IGI | 0.43ct | Heart | E | VVS1 | Excellent
From $256
Compare at $400
Save 28%IGI | 0.43ct | Heart | D | VS1 | Very Good
From $277
Compare at $385
Save 31.1%IGI | 0.43ct | Heart | D | VVS1 | Ideal
From $289
Compare at $420
Save 25.5%IGI | 0.43ct | Heart | E | VVS1 | Fair
From $298
Compare at $400
Save 14.2%IGI | 0.43ct | Heart | D | VVS2 | Very Good
From $260
Compare at $303
Save 41.3%IGI | 0.43ct | Heart | E | VS1 | Very Good
From $223
Compare at $380
Entry pricing in this category starts around $113.
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 $967 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 $358 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 157 comparable stones in this segment. Prices start around $113 and go up to $1,080.
Based on the latest market data, the average asking price is about $386 with a median around $358.
The observed spread is roughly $967 across tracked listings, which is about 89.5% 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 $358, 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 2 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 $967 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.