1 Carat Heart Lab Grown Diamond Prices Comparison
As of May 2026, 1 carat heart lab grown diamonds usually range from $205 to $3,366, with an average price of $753.In the last month, prices for these diamonds are down 2.8%.Compare 3,712 verified listings across 9 retailers tracked by CaratRadar.
1 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 3,712 verified 1-carat heart lab grown diamonds listed across 9 online retailers. Prices in this segment range from $205 to $3,366, with an average asking price of $753 and a median of $650.
The price spread of $3,161 (93.9% 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.
3,712 diamonds tracked in this segment
Price range: $205 to $3,366
Average price: $753
Median price: $650
Available across 9 retailers
Savings potential: up to 93.9%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
3,712
$205
$753
$650
$3,366
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 73%IGI | 1.01ct | Heart | D | SI1 | Ideal
From $205
Compare at $760
Save 79.8%IGI | 1.02ct | Heart | H | VVS2 | Ideal
From $210
Compare at $1,040
Save 66.5%IGI | 1ct | Heart | E | VS2 | Very Good
From $210
Compare at $627
Save 66.4%IGI | 1ct | Heart | F | VS2 | Very Good
From $213
Compare at $634
Save 45.9%IGI | 1.05ct | Heart | I | VS1 | Very Good
From $217
Compare at $401
Save 65.8%IGI | 1ct | Heart | D | VS2 | Very Good
From $220
Compare at $643
Save 77.6%IGI | 1.01ct | Heart | E | VS1 | Ideal
From $226
Compare at $1,010
Save 79.5%IGI | 1ct | Heart | G | VS1 | Good
From $226
Compare at $1,100
Save 77.1%IGI | 1.01ct | Heart | E | VS2 | Ideal
From $227
Compare at $990
Save 70.6%IGI | 1.1ct | Heart | D | VS2 | Ideal
From $229
Compare at $780
Save 79.7%IGI | 1ct | Heart | E | VS1 | Good
From $229
Compare at $1,130
Save 76.8%IGI | 1.06ct | Heart | E | VS1 | Very Good
From $230
Compare at $990
Save 61.3%IGI | 1ct | Heart | E | SI1 | Ideal
From $232
Compare at $600
Save 49%IGI | 1.05ct | Heart | D | VVS2 | Very Good
From $232
Compare at $455
Save 49.1%IGI | 1.02ct | Heart | D | VS2 | Ideal
From $232
Compare at $456
Save 49%IGI | 1.05ct | Heart | D | VS1 | Very Good
From $232
Compare at $455
Save 49%IGI | 1.01ct | Heart | E | VS1 | Very Good
From $233
Compare at $457
Save 49%IGI | 1.06ct | Heart | D | VVS2 | Very Good
From $234
Compare at $459
Save 49%IGI | 1.06ct | Heart | D | VS1 | Very Good
From $234
Compare at $459
Save 79.6%IGI | 1.05ct | Heart | G | VS1 | Very Good
From $235
Compare at $1,150
Save 49.1%IGI | 1.04ct | Heart | E | VS2 | Excellent
From $236
Compare at $463
Save 49.3%IGI | 1.05ct | Heart | D | VS2 | Good
From $237
Compare at $467
Save 78.8%IGI | 1.08ct | Heart | F | VS2 | Very Good
From $237
Compare at $1,120
IGI | 1.01ct | Heart | D | VS2 | Very Good
From $237
Compare at $830
Save 80%IGI | 1ct | Heart | D | VS1 | Very Good
From $238
Compare at $1,190
Save 49.1%IGI | 1.08ct | Heart | D | VVS2 | Very Good
From $238
Compare at $468
Save 49.1%IGI | 1.08ct | Heart | E | VVS2 | Very Good
From $238
Compare at $468
Save 49.1%IGI | 1.08ct | Heart | D | VVS2 | Very Good
From $238
Compare at $468
Save 49.1%IGI | 1.08ct | Heart | D | VVS2 | Very Good
From $238
Compare at $468
Save 77.1%IGI | 1ct | Heart | D | VS2 | Very Good
From $238
Compare at $1,040
IGI | 1.08ct | Heart | E | VS2 | Ideal
From $239
Compare at $469
Save 66.7%IGI | 1ct | Heart | D | SI1 | Ideal
From $240
Compare at $720
Save 78.9%IGI | 1.01ct | Heart | D | VS2 | Very Good
From $240
Compare at $1,140
Save 68%IGI | 1.01ct | Heart | D | VS2 | Very Good
From $240
Compare at $750
Save 76.2%IGI | 1.01ct | Heart | E | VVS2 | Ideal
From $240
Compare at $1,010
Save 63.6%IGI | 1.01ct | Heart | D | VS1 | Excellent
From $240
Compare at $659
Save 74.7%IGI | 1.04ct | Heart | H | VS2 | Ideal
From $240
Compare at $950
Save 79.5%IGI | 1.01ct | Heart | F | VVS2 | Good
From $240
Compare at $1,170
Save 68.8%IGI | 1.07ct | Heart | F | VS1 | Ideal
From $240
Compare at $770
Save 49.1%IGI | 1.09ct | Heart | D | VS2 | Very Good
From $240
Compare at $472
Save 49.1%IGI | 1ct | Heart | E | VVS2 | Very Good
From $242
Compare at $475
Save 41%IGI | 1ct | Heart | F | VS1 | Very Good
From $242
Compare at $410
Save 66.1%IGI | 1.01ct | Heart | D | VS2 | Excellent
From $243
Compare at $717
Save 78.9%IGI | 1.02ct | Heart | D | VS2 | Very Good
From $243
Compare at $1,150
Save 43.9%IGI | 1ct | Heart | D | VVS2 | Ideal
From $243
Compare at $433
Save 62%IGI | 1ct | Heart | D | VVS2 | Ideal
From $243
Compare at $640
Save 79.3%IGI | 1.09ct | Heart | F | VS1 | Very Good
From $244
Compare at $1,180
Save 64.2%IGI | 1.01ct | Heart | D | VS1 | Ideal
From $245
Compare at $685
Save 66.4%IGI | 1.03ct | Heart | D | VS2 | Ideal
From $245
Compare at $730
Save 78.3%IGI | 1ct | Heart | E | VS1 | Ideal
From $245
Compare at $1,130
Entry pricing in this category starts around $205.
What to Know When Shopping for 1 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,161 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 $650 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 3,712 comparable stones in this segment. Prices start around $205 and go up to $3,366.
Based on the latest market data, the average asking price is about $753 with a median around $650.
The observed spread is roughly $3,161 across tracked listings, which is about 93.9% 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 $753. The median price is $650, 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 9 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 $3,161 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 carat Heart diamonds.