3.1 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 3.1 carat heart lab grown diamonds usually range from $590 to $11,779, with an average price of $2,300.In the last month, prices for these diamonds are flat -0%.Compare 127 verified listings across 7 retailers tracked by CaratRadar.
3.1 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 127 verified 3.1-carat heart lab grown diamonds listed across 7 online retailers. Prices in this segment range from $590 to $11,779, with an average asking price of $2,300 and a median of $1,888.
The price spread of $11,189 (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.
127 diamonds tracked in this segment
Price range: $590 to $11,779
Average price: $2,300
Median price: $1,888
Available across 7 retailers
Savings potential: up to 95.0%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
127
$590
$2,300
$1,888
$11,779
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 72%GIA | 3.11ct | Heart | D | FL | Excellent
From $25,517
Compare at $91,060
Save 71.3%IGI | 3.11ct | Heart | D | VVS2 | Ideal
From $3,157
Compare at $11,010
Save 56.2%IGI | 3.11ct | Heart | FANCY | SI1 | Very Good
From $1,731
Compare at $3,952
Save 77.9%IGI | 3.11ct | Heart | G | VS1 | Very Good
From $2,301
Compare at $10,420
Save 20.2%IGI | 3.11ct | Heart | G | VS1 | Very Good
From $1,080
Compare at $1,354
Save 80.2%IGI | 3.11ct | Heart | E | VVS2 | Excellent
From $1,083
Compare at $5,460
IGI | 3.11ct | Heart | F | VS1 | Ideal
From $2,100
Save 80.2%IGI | 3.11ct | Heart | E | VS1 | Ideal
From $1,069
Compare at $5,390
Save 82.8%IGI | 3.11ct | Heart | G | VS1 | Ideal
From $905
Compare at $5,270
Save 76%IGI | 3.11ct | Heart | E | VS1 | Ideal
From $1,353
Compare at $5,640
Save 78.4%IGI | 3.11ct | Heart | D | VS1 | Excellent
From $1,585
Compare at $7,340
Save 74.7%IGI | 3.11ct | Heart | D | VS1 | Ideal
From $1,110
Compare at $4,380
Save 67%IGI | 3.11ct | Heart | F | VVS2 | Ideal
From $1,350
Compare at $4,090
Save 83.3%IGI | 3.11ct | Heart | D | VVS2 | Excellent
From $1,056
Compare at $6,320
Save 74.6%IGI | 3.11ct | Heart | G | VS1 | Very Good
From $1,210
Compare at $4,760
Save 74%IGI | 3.11ct | Heart | D | VS1 | Ideal
From $1,439
Compare at $5,530
Save 69.6%IGI | 3.11ct | Heart | D | VS1 | Ideal
From $1,439
Compare at $4,740
Save 68.6%IGI | 3.11ct | Heart | E | VS1 | Ideal
From $1,617
Compare at $5,150
Save 69.2%IGI | 3.11ct | Heart | E | VS1 | Ideal
From $685
Compare at $2,221
Save 37.8%IGI | 3.11ct | Heart | E | VVS2 | Very Good
From $1,037
Compare at $1,668
Save 36.4%GIA | 3.12ct | Heart | F | VVS2 | Ideal
From $5,760
Compare at $9,060
Save 61.3%GIA | 3.12ct | Heart | E | VVS2 | Ideal
From $4,900
Compare at $12,660
Save 74%IGI | 3.12ct | Heart | F | VS1 | Very Good
From $1,113
Compare at $4,280
Save 76.2%IGI | 3.12ct | Heart | D | VS1 | Excellent
From $1,543
Compare at $6,480
Save 72.4%IGI | 3.12ct | Heart | E | VVS1 | Excellent
From $3,208
Compare at $11,620
Save 74.7%IGI | 3.12ct | Heart | F | VVS2 | Ideal
From $1,093
Compare at $4,320
Save 64.2%IGI | 3.12ct | Heart | D | VS1 | Very Good
From $1,093
Compare at $3,055
Save 48.2%IGI | 3.12ct | Heart | D | VVS2 | Very Good
From $1,955
Compare at $3,775
Save 44.4%IGI | 3.12ct | Heart | D | IF | Very Good
From $10,192
Compare at $18,331
Save 74%GIA | 3.13ct | Heart | F | VS1 | Very Good
From $3,070
Compare at $11,820
Save 76.6%GIA | 3.13ct | Heart | D | IF | Excellent
From $10,465
Compare at $44,670
Save 37.3%GIA | 3.13ct | Heart | F | VS2 | Ideal
From $3,399
Compare at $5,420
Save 73%IGI | 3.13ct | Heart | G | VS1 | Ideal
From $1,076
Compare at $3,990
Save 76.9%IGI | 3.13ct | Heart | F | VS1 | Very Good
From $990
Compare at $4,290
Save 74.8%IGI | 3.13ct | Heart | F | VS1 | Very Good
From $1,064
Compare at $4,220
Save 66.2%IGI | 3.13ct | Heart | I | VVS2 | Ideal
From $1,295
Compare at $3,830
Save 77%IGI | 3.13ct | Heart | D | VS1 | Very Good
From $1,187
Compare at $5,167
Save 32.5%IGI | 3.13ct | Heart | E | VS1 | Ideal
From $1,117
Compare at $1,655
Save 74.1%IGI | 3.13ct | Heart | D | VS1 | Ideal
From $1,157
Compare at $4,460
Save 79.4%IGI | 3.13ct | Heart | D | VVS2 | Ideal
From $1,236
Compare at $6,010
Save 85.3%IGI | 3.13ct | Heart | D | VS1 | Ideal
From $815
Compare at $5,550
IGI | 3.13ct | Heart | F | VVS2 | Very Good
From $1,742
Compare at $1,745
Save 31.2%IGI | 3.13ct | Heart | D | VS2 | Very Good
From $957
Compare at $1,391
Save 71.8%GIA | 3.14ct | Heart | D | VVS2 | Very Good
From $2,465
Compare at $8,740
Save 61.4%IGI | 3.14ct | Heart | H | VS1 | Ideal
From $1,716
Compare at $4,450
Save 58.2%IGI | 3.14ct | Heart | H | VS1 | Ideal
From $1,877
Compare at $4,490
Save 41.8%IGI | 3.14ct | Heart | I | VVS2 | Ideal
From $1,070
Compare at $1,839
Save 73%IGI | 3.14ct | Heart | F | VS1 | Ideal
From $962
Compare at $3,560
Save 76.1%IGI | 3.14ct | Heart | D | VVS2 | Excellent
From $1,681
Compare at $7,040
IGI | 3.14ct | Heart | E | VS1 | Ideal
From $2,164
Compare at $2,165
Entry pricing in this category starts around $590.
What to Know When Shopping for 3.1 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $11,189 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 $1,888 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 127 comparable stones in this segment. Prices start around $590 and go up to $11,779.
Based on the latest market data, the average asking price is about $2,300 with a median around $1,888.
The observed spread is roughly $11,189 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 $1,888, 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 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 $11,189 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 3.1 carat Heart diamonds.