3.8 Carat Heart Lab Grown Diamond Prices Comparison
As of May 2026, 3.8 carat heart lab grown diamonds usually range from $720 to $16,918, with an average price of $3,202.In the last month, prices for these diamonds are down 7.2%.Compare 36 verified listings across 4 retailers tracked by CaratRadar.
3.8 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 36 verified 3.8-carat heart lab grown diamonds listed across 4 online retailers. Prices in this segment range from $720 to $16,918, with an average asking price of $3,202 and a median of $2,282.
The price spread of $16,198 (95.7% 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.
36 diamonds tracked in this segment
Price range: $720 to $16,918
Average price: $3,202
Median price: $2,282
Available across 4 retailers
Savings potential: up to 95.7%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
36
$720
$3,202
$2,282
$16,918
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 71.5%IGI | 3.82ct | Heart | E | VVS2 | Very Good
From $864
Compare at $3,034
Save 73.8%IGI | 3.89ct | Heart | G | VS1 | Ideal
From $891
Compare at $3,398
Save 64.8%IGI | 3.8ct | Heart | D | VS1 | Very Good
From $892
Compare at $2,534
Save 68.4%IGI | 3.82ct | Heart | D | VVS2 | Very Good
From $904
Compare at $2,860
Save 58.6%IGI | 3.82ct | Heart | E | VS1 | Very Good
From $946
Compare at $2,283
Save 54.9%IGI | 3.87ct | Heart | G | VVS2 | Ideal
From $985
Compare at $2,183
Save 64.2%IGI | 3.8ct | Heart | D | VVS2 | Very Good
From $1,023
Compare at $2,861
IGI | 3.83ct | Heart | FANCY | SI1 | Very Good
From $1,026
Compare at $1,055
Save 38.5%IGI | 3.88ct | Heart | E | VS1 | Ideal
From $1,107
Compare at $1,801
Save 46%IGI | 3.86ct | Heart | E | VVS2 | Ideal
From $1,136
Compare at $2,102
Save 73.7%IGI | 3.8ct | Heart | D | VVS2 | Very Good
From $1,209
Compare at $4,595
Save 33.5%IGI | 3.83ct | Heart | E | VVS2 | Excellent
From $1,313
Compare at $1,973
Save 74.8%IGI | 3.82ct | Heart | D | VVS1 | Very Good
From $2,076
Compare at $8,240
Save 70%IGI | 3.86ct | Heart | FANCY | VS1 | Very Good
From $2,109
Compare at $7,023
Save 48.8%IGI | 3.83ct | Heart | E | VS1 | Excellent
From $2,257
Compare at $4,410
Save 48.8%IGI | 3.83ct | Heart | E | VS1 | Excellent
From $2,257
Compare at $4,410
Save 48.3%IGI | 3.87ct | Heart | E | VS1 | Excellent
From $2,302
Compare at $4,450
Save 48%IGI | 3.89ct | Heart | E | VS1 | Excellent
From $2,325
Compare at $4,470
Save 49%IGI | 3.8ct | Heart | E | VVS2 | Excellent
From $2,387
Compare at $4,680
Save 48.3%IGI | 3.85ct | Heart | E | VVS2 | Excellent
From $2,447
Compare at $4,730
Save 48.1%IGI | 3.87ct | Heart | E | VVS2 | Excellent
From $2,471
Compare at $4,760
Save 47.8%IGI | 3.89ct | Heart | E | VVS2 | Excellent
From $2,496
Compare at $4,780
Save 46.4%IGI | 3.84ct | Heart | D | VS1 | Excellent
From $2,575
Compare at $4,800
Save 67.8%IGI | 3.84ct | Heart | FANCY | VS1 | Good
From $2,585
Compare at $8,020
Save 46.1%IGI | 3.86ct | Heart | D | VS1 | Ideal
From $2,600
Compare at $4,820
Save 45.9%IGI | 3.87ct | Heart | D | VS1 | Ideal
From $2,613
Compare at $4,830
Save 44.4%IGI | 3.82ct | Heart | D | VVS2 | Excellent
From $2,864
Compare at $5,150
Save 44.3%IGI | 3.83ct | Heart | D | VVS2 | Excellent
From $2,879
Compare at $5,170
Save 44.2%IGI | 3.84ct | Heart | D | VVS2 | Excellent
From $2,893
Compare at $5,180
Save 44%IGI | 3.85ct | Heart | D | VVS2 | Excellent
From $2,907
Compare at $5,190
Save 44%IGI | 3.85ct | Heart | D | VVS2 | Excellent
From $2,907
Compare at $5,190
Save 43.7%IGI | 3.87ct | Heart | D | VVS2 | Excellent
From $2,937
Compare at $5,220
Save 43.6%IGI | 3.88ct | Heart | D | VVS2 | Excellent
From $2,951
Compare at $5,230
Save 43.6%IGI | 3.88ct | Heart | D | VVS2 | Excellent
From $2,951
Compare at $5,230
Save 72%IGI | 3.84ct | Heart | FANCY | VS1 | Very Good
From $4,004
Compare at $14,284
Save 45.3%IGI | 3.8ct | Heart | D | VVS2 | Ideal
From $5,760
Compare at $10,530
Entry pricing in this category starts around $720.
What to Know When Shopping for 3.8 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $16,198 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 $2,282 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 36 comparable stones in this segment. Prices start around $720 and go up to $16,918.
Based on the latest market data, the average asking price is about $3,202 with a median around $2,282.
The observed spread is roughly $16,198 across tracked listings, which is about 95.7% 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 $3,202. The median price is $2,282, 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 4 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 $16,198 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 3.8 carat Heart diamonds.