4 Carat Heart Lab Grown Diamond Prices Comparison
As of October 2026, 4 carat heart lab grown diamonds in the 4.00–4.49 carat benchmark range usually range from $422 to $30,424, with an average price of $2,967.In the last month, prices for these diamonds are down 0.5%.Compare 515 verified listings across 12 retailers tracked by CaratRadar.
4 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 515 verified 4-carat heart lab grown diamonds in the 4.00–4.49 carat benchmark range, listed across 12 online retailers. Prices in this segment range from $422 to $30,424, with an average asking price of $2,967 and a median of $2,051.
The price spread of $30,002 (98.6% 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 use the same benchmark range throughout the page and 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.
515 diamonds tracked in the 4.00–4.49 carat benchmark
Price range: $422 to $30,424
Average price: $2,967
Median price: $2,051
Available across 12 retailers
Savings potential: up to 98.6%
Price Range Overview
As of Oct 14, 2026Real market range for this carat, shape, and diamond type.
515
$422
$2,967
$2,051
$30,424
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
Save 49.4%IGI | 4.05ct | Heart | FANCY | VS2 | Good
From $725
Compare at $1,434
Save 78.1%IGI | 4.02ct | Heart | E | VS2 | Very Good
From $725
Compare at $3,316
Save 72.5%IGI | 4.02ct | Heart | D | VS2 | Ideal
From $729
Compare at $2,650
Save 70.7%IGI | 4.01ct | Heart | E | VS2 | Very Good
From $735
Compare at $2,507
Save 68.7%IGI | 4.01ct | Heart | G | VS2 | Very Good
From $736
Compare at $2,351
Save 53.6%IGI | 4ct | Heart | FANCY | VS2 | Very Good
From $740
Compare at $1,595
Save 71.8%IGI | 4.01ct | Heart | E | VS1 | Ideal
From $741
Compare at $2,630
Save 68.6%IGI | 4.08ct | Heart | E | VVS2 | Excellent
From $742
Compare at $2,361
Save 78.2%IGI | 4ct | Heart | F | VS1 | Ideal
From $742
Compare at $3,396
Save 57.1%IGI | 4.07ct | Heart | FANCY | VS1 | Very Good
From $745
Compare at $1,735
Save 68.7%IGI | 4.12ct | Heart | G | VS2 | Very Good
From $752
Compare at $2,400
Save 68.7%IGI | 4ct | Heart | F | SI1 | Very Good
From $753
Compare at $2,405
Save 52.8%IGI | 4.08ct | Heart | FANCY | VS1 | Ideal
From $754
Compare at $1,599
Save 56.8%IGI | 4.02ct | Heart | E | VS1 | Very Good
From $754
Compare at $1,747
Save 68.7%IGI | 4.03ct | Heart | F | VVS2 | Ideal
From $755
Compare at $2,415
Save 59.3%IGI | 4.07ct | Heart | E | VVS2 | Very Good
From $755
Compare at $1,856
Save 70.9%IGI | 4.03ct | Heart | F | VS1 | Very Good
From $756
Compare at $2,594
Save 69.4%IGI | 4.08ct | Heart | F | VVS2 | Very Good
From $757
Compare at $2,475
Save 70.9%IGI | 4.05ct | Heart | F | VS1 | Ideal
From $759
Compare at $2,606
Save 70.7%IGI | 4.02ct | Heart | E | VS2 | Very Good
From $761
Compare at $2,596
Save 46.1%IGI | 4.02ct | Heart | H | VS1 | Ideal
From $761
Compare at $1,411
Save 78.1%IGI | 4.1ct | Heart | E | VVS2 | Ideal
From $761
Compare at $3,481
Save 51.5%IGI | 4.02ct | Heart | F | VS1 | Ideal
From $761
Compare at $1,568
Save 78.1%IGI | 4.1ct | Heart | E | VS1 | Very Good
From $761
Compare at $3,481
Save 38.5%IGI | 4.05ct | Heart | FANCY | SI2 | Very Good
From $762
Compare at $1,240
Save 60.4%IGI | 4.07ct | Heart | D | VS2 | Very Good
From $762
Compare at $1,924
Save 51.1%IGI | 4.01ct | Heart | F | VS1 | Excellent
From $767
Compare at $1,568
Save 50.7%IGI | 4.01ct | Heart | FANCY | VS2 | Very Good
From $770
Compare at $1,561
Save 66.5%IGI | 4.02ct | Heart | F | VS1 | Very Good
From $770
Compare at $2,296
Save 68%IGI | 4.07ct | Heart | F | VS1 | Very Good
From $770
Compare at $2,404
Save 70.9%IGI | 4.07ct | Heart | F | VVS2 | Ideal
From $770
Compare at $2,645
Save 58.5%IGI | 4.03ct | Heart | E | VVS2 | Excellent
From $770
Compare at $1,857
Save 65.5%IGI | 4.02ct | Heart | F | SI1 | Ideal
From $773
Compare at $2,241
Save 70.7%IGI | 4.03ct | Heart | F | VS1 | Ideal
From $773
Compare at $2,638
Save 70.7%IGI | 4.11ct | Heart | D | VS1 | Very Good
From $774
Compare at $2,639
Save 34%IGI | 4.04ct | Heart | E | VVS2 | Ideal
From $774
Compare at $1,172
Save 78.2%IGI | 4.1ct | Heart | E | VVS2 | Ideal
From $776
Compare at $3,552
Save 44.6%IGI | 4.02ct | Heart | E | SI1 | Very Good
From $777
Compare at $1,402
Save 64.2%IGI | 4.02ct | Heart | D | SI1 | Good
From $777
Compare at $2,172
Save 46.2%IGI | 4.06ct | Heart | E | VVS2 | Good
From $778
Compare at $1,447
Save 56.5%IGI | 4.04ct | Heart | E | VS1 | Ideal
From $780
Compare at $1,793
Save 44.8%IGI | 4.13ct | Heart | FANCY | VS2 | Excellent
From $783
Compare at $1,419
Save 47.8%IGI | 4.09ct | Heart | E | VVS2 | Very Good
From $784
Compare at $1,502
Save 70.7%IGI | 4.01ct | Heart | D | VS1 | Very Good
From $784
Compare at $2,674
Save 42.8%IGI | 4.08ct | Heart | FANCY | SI1 | Very Good
From $790
Compare at $1,380
Save 44.8%IGI | 4.01ct | Heart | FANCY | SI1 | Excellent
From $793
Compare at $1,437
Save 69.1%IGI | 4.04ct | Heart | D | VS1 | Ideal
From $796
Compare at $2,577
Save 47.6%IGI | 4ct | Heart | FANCY | VS1 | Very Good
From $799
Compare at $1,525
Save 47.6%IGI | 4.01ct | Heart | FANCY | VS1 | Very Good
From $801
Compare at $1,529
Save 47.6%IGI | 4.01ct | Heart | FANCY | VVS2 | Very Good
From $801
Compare at $1,529
Entry pricing in this benchmark range starts around $422.
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 $30,002 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 $2,051 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 515 comparable stones in the 4.00–4.49 carat benchmark range. Prices start around $422 and go up to $30,424.
Based on the latest market data, the average asking price is about $2,967 with a median around $2,051.
The observed spread is roughly $30,002 across tracked listings, which is about 98.6% from highest to lowest offer in the 4.00–4.49 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $2,967. The median price is $2,051, 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 12 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 $30,002 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 the 4.00–4.49 carat Heart diamond benchmark.