4 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 4 carat heart lab grown diamonds usually range from $783 to $15,555, with an average price of $1,554.In the last month, prices for these diamonds are down 2.8%.Compare 681 verified listings across 8 retailers tracked by CaratRadar.
4 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 681 verified 4-carat heart lab grown diamonds listed across 8 online retailers. Prices in this segment range from $783 to $15,555, with an average asking price of $1,554 and a median of $1,185.
The price spread of $14,772 (95.0% 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.
681 diamonds tracked in this segment
Price range: $783 to $15,555
Average price: $1,554
Median price: $1,185
Available across 8 retailers
Savings potential: up to 95.0%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
681
$783
$1,554
$1,185
$15,555
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
3.96ct | Heart | D | VS1 | Ideal
From $1,222
Compare at $6,580
IGISave 68.8%3.96ct | Heart | E | VS1 | Ideal
From $1,064
Compare at $3,405
IGISave 17.9%3.96ct | Heart | E | VVS2 | Very Good
From $1,056
Compare at $1,287
IGISave 83%3.96ct | Heart | E | VS2 | Ideal
From $783
Compare at $4,610
IGISave 75.6%3.96ct | Heart | E | VVS2 | Ideal
From $1,433
Compare at $5,870
IGISave 67.3%3.96ct | Heart | E | VS2 | Ideal
From $1,047
Compare at $3,205
IGISave 82.3%3.96ct | Heart | D | VVS1 | Ideal
From $5,310
Compare at $30,010
IGISave 68.8%3.96ct | Heart | E | VS1 | Ideal
From $1,064
Compare at $3,405
IGISave 80.7%3.96ct | Heart | F | VVS2 | Ideal
From $1,000
Compare at $5,170
3.97ct | Heart | E | VS2 | Ideal
From $784
Compare at $4,890
IGISave 70.4%3.97ct | Heart | F | VS1 | Very Good
From $928
Compare at $3,135
IGISave 68.7%3.97ct | Heart | E | VS1 | Ideal
From $1,067
Compare at $3,410
3.97ct | Heart | D | VS1 | Ideal
From $1,212
Compare at $5,900
IGISave 84.4%3.97ct | Heart | F | VVS2 | Ideal
From $810
Compare at $5,180
IGISave 67.2%3.97ct | Heart | E | VS1 | Ideal
From $1,119
Compare at $3,410
IGISave 85.7%3.98ct | Heart | E | VVS2 | Ideal
From $844
Compare at $5,900
3.98ct | Heart | D | VS1 | Ideal
From $1,215
Compare at $6,270
3.98ct | Heart | E | VS1 | Ideal
From $1,125
Compare at $4,380
IGISave 86.1%3.98ct | Heart | D | VS1 | Ideal
From $1,457
Compare at $10,500
3.98ct | Heart | F | VS1 | Ideal
From $848
Compare at $5,140
3.98ct | Heart | E | VS1 | Ideal
From $818
Compare at $4,380
3.98ct | Heart | E | VS2 | Ideal
From $786
Compare at $5,180
IGISave 81%3.98ct | Heart | E | VVS2 | Ideal
From $1,189
Compare at $6,250
IGISave 80.5%3.98ct | Heart | E | VS1 | Excellent
From $1,165
Compare at $5,970
IGISave 85.4%3.98ct | Heart | E | VVS2 | Ideal
From $964
Compare at $6,600
3.98ct | Heart | E | VS1 | Ideal
From $818
Compare at $4,380
IGISave 71.9%3.98ct | Heart | E | VS1 | Ideal
From $962
Compare at $3,420
IGISave 87.9%3.98ct | Heart | E | VS2 | Very Good
From $960
Compare at $7,930
3.98ct | Heart | E | VS1 | Ideal
From $1,189
Compare at $4,620
3.98ct | Heart | F | VS1 | Ideal
From $786
Compare at $4,850
3.99ct | Heart | D | VS2 | Very Good
From $1,203
Compare at $8,210
IGISave 73.5%3.99ct | Heart | D | VVS1 | Ideal
From $3,446
Compare at $12,990
IGISave 83.2%3.99ct | Heart | F | VS2 | Ideal
From $992
Compare at $5,910
IGISave 78.9%3.99ct | Heart | F | VS1 | Ideal
From $1,085
Compare at $5,150
IGISave 87.6%4ct | Heart | E | VVS2 | Excellent
From $1,195
Compare at $9,610
IGISave 74.9%4ct | Heart | D | IF | Very Good
From $7,862
Compare at $31,272
IGISave 72.5%4ct | Heart | E | VVS2 | Ideal
From $1,208
Compare at $4,400
IGISave 75.5%4ct | Heart | E | VS1 | Ideal
From $1,438
Compare at $5,870
IGISave 86.5%4ct | Heart | D | VS1 | Excellent
From $1,382
Compare at $10,250
4ct | Heart | F | SI1 | Very Good
From $992
Compare at $4,785
IGISave 56.8%4ct | Heart | D | VVS2 | Ideal
From $1,300
Compare at $3,011
IGISave 82.2%4ct | Heart | E | VS1 | Ideal
From $902
Compare at $5,080
4ct | Heart | E | VS1 | Ideal
From $860
Compare at $4,840
IGISave 73.1%4ct | Heart | D | VS2 | Ideal
From $1,710
Compare at $6,360
IGISave 89.8%4ct | Heart | D | VS2 | Ideal
From $847
Compare at $8,290
4ct | Heart | E | VS1 | Ideal
From $860
Compare at $4,840
IGISave 74.2%4ct | Heart | E | VS1 | Ideal
From $1,234
Compare at $4,790
IGISave 87.6%4ct | Heart | E | VVS2 | Excellent
From $1,186
Compare at $9,570
IGISave 70.1%4ct | Heart | E | VS1 | Ideal
From $1,030
Compare at $3,440
IGISave 85.7%4ct | Heart | E | VS1 | Excellent
From $1,483
Compare at $10,400
Entry pricing in this category starts around $783.
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 $14,772 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 $1,185 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 681 comparable stones in this segment. Prices start around $783 and go up to $15,555.
Based on the latest market data, the average asking price is about $1,554 with a median around $1,185.
The observed spread is roughly $14,772 across tracked listings, which is about 95.0% 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 $1,185, 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 8 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 $14,772 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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