1.3 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 1.3 carat heart lab grown diamonds usually range from $429 to $4,220, with an average price of $645.In the last month, prices for these diamonds are down 2.7%.Compare 574 verified listings across 7 retailers tracked by CaratRadar.
1.3 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 574 verified 1.3-carat heart lab grown diamonds listed across 7 online retailers. Prices in this segment range from $429 to $4,220, with an average asking price of $645 and a median of $548.
The price spread of $3,791 (89.8% 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.
574 diamonds tracked in this segment
Price range: $429 to $4,220
Average price: $645
Median price: $548
Available across 7 retailers
Savings potential: up to 89.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
574
$429
$645
$548
$4,220
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
HRDSave 60%1.25ct | Heart | E | VVS2 | Excellent
From $523
Compare at $1,308
HRDSave 61.5%1.25ct | Heart | D | VVS2 | Excellent
From $549
Compare at $1,426
IGISave 74.2%1.25ct | Heart | D | VVS1 | Excellent
From $510
Compare at $1,980
GCALSave 48.7%1.25ct | Heart | D | VVS1 | Ideal
From $2,110
Compare at $4,110
IGISave 17%1.25ct | Heart | D | SI1 | Very Good
From $722
Compare at $870
IGISave 46.9%1.25ct | Heart | FANCY | VS1 | Very Good
From $1,014
Compare at $1,910
IGISave 83.6%1.25ct | Heart | D | VVS1 | Ideal
From $608
Compare at $3,700
IGISave 28.6%1.25ct | Heart | H | VS1 | Ideal
From $1,250
Compare at $1,750
IGISave 71.9%1.25ct | Heart | D | VVS2 | Very Good
From $622
Compare at $2,210
IGISave 78.5%1.25ct | Heart | F | IF | Ideal
From $538
Compare at $2,510
IGISave 61.9%1.25ct | Heart | E | VVS2 | Ideal
From $528
Compare at $1,385
IGISave 60.2%1.25ct | Heart | D | VVS2 | Very Good
From $588
Compare at $1,476
IGISave 74.9%1.25ct | Heart | D | VVS2 | Excellent
From $542
Compare at $2,160
IGISave 70.6%1.25ct | Heart | E | VS1 | Ideal
From $485
Compare at $1,650
IGISave 51.3%1.25ct | Heart | D | VS2 | Very Good
From $495
Compare at $1,015
GIASave 51.9%1.25ct | Heart | D | VVS2 | Excellent
From $1,226
Compare at $2,548
GIASave 33.3%1.25ct | Heart | D | VVS2 | Ideal
From $1,860
Compare at $2,790
GIASave 80.9%1.25ct | Heart | D | VVS1 | Excellent
From $787
Compare at $4,130
IGISave 49.6%1.25ct | Heart | E | VS1 | Very Good
From $602
Compare at $1,194
IGISave 68.5%1.25ct | Heart | D | VVS1 | Ideal
From $625
Compare at $1,980
IGISave 73.4%1.25ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,870
IGISave 58.3%1.25ct | Heart | E | VS2 | Excellent
From $464
Compare at $1,112
IGISave 69.2%1.25ct | Heart | D | VS1 | Ideal
From $575
Compare at $1,870
IGISave 65.5%1.25ct | Heart | D | VS2 | Excellent
From $529
Compare at $1,530
IGISave 44.1%1.25ct | Heart | D | VVS2 | Excellent
From $1,208
Compare at $2,160
IGISave 49.4%1.25ct | Heart | F | VVS2 | Ideal
From $596
Compare at $1,178
IGISave 72.4%1.25ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,800
IGI1.25ct | Heart | D | VS1 | Very Good
From $541
Compare at $591
IGISave 73.8%1.25ct | Heart | D | VVS2 | Ideal
From $495
Compare at $1,890
IGISave 74.5%1.25ct | Heart | D | VVS2 | Ideal
From $564
Compare at $2,210
IGISave 48.3%1.25ct | Heart | D | VVS2 | Ideal
From $556
Compare at $1,075
IGISave 42.6%1.25ct | Heart | E | VVS2 | Very Good
From $531
Compare at $925
IGISave 61.3%1.25ct | Heart | D | IF | Excellent
From $697
Compare at $1,799
IGISave 75.5%1.25ct | Heart | D | VVS2 | Very Good
From $534
Compare at $2,180
IGISave 65.8%1.25ct | Heart | E | VVS1 | Excellent
From $513
Compare at $1,500
IGISave 68%1.25ct | Heart | D | VS1 | Ideal
From $575
Compare at $1,800
IGISave 62.5%1.25ct | Heart | D | VS1 | Ideal
From $604
Compare at $1,610
IGISave 39.1%1.25ct | Heart | D | VVS2 | Ideal
From $534
Compare at $876
IGISave 33.7%1.25ct | Heart | D | VS1 | Ideal
From $1,077
Compare at $1,624
IGISave 70.4%1.25ct | Heart | D | VS2 | Excellent
From $456
Compare at $1,540
IGISave 79.1%1.25ct | Heart | D | VVS1 | Ideal
From $491
Compare at $2,350
IGISave 14.8%1.25ct | Heart | E | VVS1 | Very Good
From $507
Compare at $594
IGISave 17.9%1.25ct | Heart | D | VS2 | Very Good
From $1,510
Compare at $1,840
IGISave 72.4%1.25ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,800
IGISave 77.6%1.25ct | Heart | F | VS2 | Ideal
From $454
Compare at $2,030
IGISave 25.8%1.25ct | Heart | E | VVS2 | Ideal
From $575
Compare at $775
IGISave 74.2%1.25ct | Heart | D | VVS2 | Excellent
From $486
Compare at $1,880
IGISave 72.4%1.25ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,800
IGISave 71.8%1.25ct | Heart | E | VVS2 | Ideal
From $522
Compare at $1,850
IGISave 51.7%1.25ct | Heart | D | VS2 | Very Good
From $491
Compare at $1,015
Entry pricing in this category starts around $429.
What to Know When Shopping for 1.3 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,791 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 $548 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 574 comparable stones in this segment. Prices start around $429 and go up to $4,220.
Based on the latest market data, the average asking price is about $645 with a median around $548.
The observed spread is roughly $3,791 across tracked listings, which is about 89.8% 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 $548, 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 $3,791 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 1.3 carat Heart diamonds.