4 Carat Heart Lab Grown Diamond Prices Comparison
As of May 2026, 4 carat heart lab grown diamonds usually range from $523 to $13,560, with an average price of $2,982.In the last month, prices for these diamonds are down 4.9%.Compare 447 verified listings across 7 retailers tracked by CaratRadar.
4 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 447 verified 4-carat heart lab grown diamonds listed across 7 online retailers. Prices in this segment range from $523 to $13,560, with an average asking price of $2,982 and a median of $2,224.
The price spread of $13,037 (96.1% 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.
447 diamonds tracked in this segment
Price range: $523 to $13,560
Average price: $2,982
Median price: $2,224
Available across 7 retailers
Savings potential: up to 96.1%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
447
$523
$2,982
$2,224
$13,560
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 31.7%IGI | 4.01ct | Heart | F | VS1 | Ideal
From $676
Compare at $990
Save 30.9%IGI | 4.01ct | Heart | F | VS1 | Ideal
From $692
Compare at $1,002
Save 31%IGI | 4.03ct | Heart | E | VS1 | Ideal
From $695
Compare at $1,007
Save 30.9%IGI | 4ct | Heart | E | VS1 | Ideal
From $699
Compare at $1,011
Save 30.9%IGI | 4ct | Heart | E | VS1 | Ideal
From $699
Compare at $1,011
Save 10.9%IGI | 4.09ct | Heart | E | VS1 | Ideal
From $706
Compare at $792
Save 10.9%IGI | 4.09ct | Heart | F | VS1 | Ideal
From $706
Compare at $792
IGI | 4.01ct | Heart | F | VVS2 | Ideal
From $708
Compare at $785
Save 10.9%IGI | 4.03ct | Heart | D | VS1 | Ideal
From $720
Compare at $808
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 61.6%IGI | 4ct | Heart | E | VS2 | Ideal
From $721
Compare at $1,878
Save 62.3%IGI | 4.02ct | Heart | F | VS1 | Very Good
From $722
Compare at $1,914
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
IGI | 4.04ct | Heart | E | VVS2 | Ideal
From $722
Compare at $801
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $722
Compare at $1,888
Save 61.8%IGI | 4.02ct | Heart | E | VS2 | Ideal
From $724
Compare at $1,896
Save 61.8%IGI | 4.02ct | Heart | E | VS2 | Ideal
From $724
Compare at $1,896
Save 61.8%IGI | 4.02ct | Heart | E | VS2 | Ideal
From $724
Compare at $1,896
Save 61.8%IGI | 4.02ct | Heart | E | VS2 | Ideal
From $724
Compare at $1,896
Save 61.8%IGI | 4.02ct | Heart | E | VS2 | Ideal
From $724
Compare at $1,896
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.9%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $726
Compare at $1,905
Save 61.2%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $732
Compare at $1,889
Save 61.2%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $732
Compare at $1,889
Save 61.2%IGI | 4.01ct | Heart | E | VS2 | Ideal
From $732
Compare at $1,889
Save 61.5%IGI | 4.03ct | Heart | E | VS2 | Ideal
From $735
Compare at $1,907
Save 37.4%IGI | 4.05ct | Heart | E | VVS2 | Ideal
From $748
Compare at $1,195
Save 62.1%IGI | 4.09ct | Heart | F | VS1 | Very Good
From $756
Compare at $1,995
Save 64.4%IGI | 4.01ct | Heart | E | VS1 | Very Good
From $758
Compare at $2,129
Save 62.6%IGI | 4ct | Heart | F | VVS2 | Very Good
From $764
Compare at $2,041
Save 57.5%IGI | 4.02ct | Heart | F | SI1 | Ideal
From $765
Compare at $1,800
Save 61.8%IGI | 4.07ct | Heart | F | VS2 | Ideal
From $765
Compare at $2,003
Save 64%IGI | 4.01ct | Heart | E | VS1 | Very Good
From $767
Compare at $2,131
Save 61.9%IGI | 4.09ct | Heart | F | VS2 | Ideal
From $770
Compare at $2,022
Save 64.4%IGI | 4.08ct | Heart | F | VS1 | Excellent
From $771
Compare at $2,163
Save 66.1%IGI | 4.07ct | Heart | E | VVS2 | Ideal
From $777
Compare at $2,293
Entry pricing in this category starts around $523.
What to Know When Shopping for 4 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $13,037 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 $2,224 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 447 comparable stones in this segment. Prices start around $523 and go up to $13,560.
Based on the latest market data, the average asking price is about $2,982 with a median around $2,224.
The observed spread is roughly $13,037 across tracked listings, which is about 96.1% 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 $2,982. The median price is $2,224, 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 7 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 $13,037 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 4 carat Heart diamonds.