1 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 1 carat heart lab grown diamonds usually range from $255 to $3,790, with an average price of $796.In the last month, prices for these diamonds are down 0.3%.Compare 2,384 verified listings across 9 retailers tracked by CaratRadar.
1 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 2,384 verified 1-carat heart lab grown diamonds listed across 9 online retailers. Prices in this segment range from $255 to $3,790, with an average asking price of $796 and a median of $700.
The price spread of $3,535 (93.3% 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.
2,384 diamonds tracked in this segment
Price range: $255 to $3,790
Average price: $796
Median price: $700
Available across 9 retailers
Savings potential: up to 93.3%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
2,384
$255
$796
$700
$3,790
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 72.5%GCAL | 1ct | Heart | D | SI1 | Excellent
From $494
Compare at $1,800
Save 31.9%GIA | 1ct | Heart | E | VS1 | Excellent
From $625
Compare at $918
Save 23.4%GIA | 1ct | Heart | D | VVS2 | Ideal
From $1,845
Compare at $2,410
Save 67.3%GIA | 1ct | Heart | E | VVS2 | Excellent
From $778
Compare at $2,380
Save 30.5%GIA | 1ct | Heart | D | VVS2 | Excellent
From $695
Compare at $1,000
Save 78.8%GIA | 1ct | Heart | E | VVS2 | Excellent
From $984
Compare at $4,630
Save 50%GIA | 1ct | Heart | E | VS2 | Ideal
From $575
Compare at $1,150
Save 78.8%GIA | 1ct | Heart | D | VS1 | Excellent
From $943
Compare at $4,440
Save 59.1%GIA | 1ct | Heart | D | IF | Excellent
From $1,477
Compare at $3,610
Save 45.6%GIA | 1ct | Heart | E | VS1 | Excellent
From $625
Compare at $1,150
Save 30.5%GIA | 1ct | Heart | E | VS1 | Excellent
From $625
Compare at $900
IGI | 1ct | Heart | G | VS1 | Ideal
From $2,220
Compare at $3,395

IGI | 1ct | Heart | H | VS1 | Ideal
From $2,033
Compare at $2,035
IGI | 1ct | Heart | D | SI1 | Ideal
From $359
Compare at $619
Save 29.8%IGI | 1ct | Heart | H | VVS2 | Ideal
From $730
Compare at $1,040
Save 53.4%IGI | 1ct | Heart | D | VS2 | Ideal
From $433
Compare at $930
Save 28.8%IGI | 1ct | Heart | E | VS2 | Ideal
From $623
Compare at $874
IGI | 1ct | Heart | D | IF | Good
From $870
Compare at $2,600
Save 34.5%IGI | 1ct | Heart | E | VS1 | Very Good
From $592
Compare at $903
Save 42.6%IGI | 1ct | Heart | F | VVS2 | Excellent
From $465
Compare at $810
Save 71.9%IGI | 1ct | Heart | D | VVS2 | Ideal
From $626
Compare at $2,230
Save 35.8%IGI | 1ct | Heart | D | VVS2 | Ideal
From $637
Compare at $993
IGI | 1ct | Heart | D | SI1 | Ideal
From $453
Compare at $546
Save 67.5%IGI | 1ct | Heart | D | VVS1 | Ideal
From $524
Compare at $1,610
Save 72.4%IGI | 1ct | Heart | D | VS1 | Ideal
From $642
Compare at $2,330
Save 55%IGI | 1ct | Heart | D | VS1 | Ideal
From $536
Compare at $1,190
IGI | 1ct | Heart | E | VVS2 | Ideal
From $536
Compare at $1,220
IGI | 1ct | Heart | D | VVS1 | Very Good
From $524
Compare at $1,690
IGI | 1ct | Heart | D | SI1 | Ideal
From $380
Compare at $1,080
Save 68.5%IGI | 1ct | Heart | D | IF | Ideal
From $820
Compare at $2,600
IGI | 1ct | Heart | E | VVS1 | Ideal
From $536
Compare at $1,280
Save 72%IGI | 1ct | Heart | D | IF | Ideal
From $728
Compare at $2,600
Save 71.4%IGI | 1ct | Heart | D | VVS2 | Ideal
From $699
Compare at $2,440
Save 37.6%IGI | 1ct | Heart | E | VS2 | Ideal
From $474
Compare at $760
IGI | 1ct | Heart | D | VVS2 | Ideal
From $495
Compare at $1,157
Save 71.4%IGI | 1ct | Heart | D | VVS2 | Very Good
From $699
Compare at $2,440

IGI | 1ct | Heart | D | VS1 | Ideal
From $523
Compare at $569
Save 28.3%IGI | 1ct | Heart | F | VS2 | Ideal
From $495
Compare at $690
Save 25%IGI | 1ct | Heart | F | VS2 | Ideal
From $495
Compare at $660
Save 62.2%IGI | 1ct | Heart | D | VS1 | Ideal
From $450
Compare at $1,190
Save 55%IGI | 1ct | Heart | D | VS1 | Very Good
From $536
Compare at $1,190
Save 72.5%IGI | 1ct | Heart | E | VS1 | Ideal
From $537
Compare at $1,950
Save 73%IGI | 1ct | Heart | D | VS1 | Ideal
From $475
Compare at $1,760
Save 68.5%IGI | 1ct | Heart | D | VVS1 | Ideal
From $532
Compare at $1,690
IGI | 1ct | Heart | D | VVS2 | Ideal
From $535
Compare at $1,370
IGI | 1ct | Heart | D | VS1 | Ideal
From $512
Compare at $1,170
Save 72.5%IGI | 1ct | Heart | E | VVS2 | Ideal
From $646
Compare at $2,350
IGI | 1ct | Heart | F | VVS2 | Ideal
From $560
Compare at $1,030
IGI | 1ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,170
IGI | 1ct | Heart | D | VS1 | Ideal
From $497
Compare at $1,170
Entry pricing in this category starts around $255.
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 $3,535 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 $700 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 2,384 comparable stones in this segment. Prices start around $255 and go up to $3,790.
Based on the latest market data, the average asking price is about $796 with a median around $700.
The observed spread is roughly $3,535 across tracked listings, which is about 93.3% 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 $700, 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 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 $3,535 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.