1.5 Carat Heart Lab Grown Diamond Prices Comparison
As of May 2026, 1.5 carat heart lab grown diamonds usually range from $243 to $4,774, with an average price of $1,076.In the last month, prices for these diamonds are down 4.2%.Compare 3,568 verified listings across 8 retailers tracked by CaratRadar.
1.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 3,568 verified 1.5-carat heart lab grown diamonds listed across 8 online retailers. Prices in this segment range from $243 to $4,774, with an average asking price of $1,076 and a median of $850.
The price spread of $4,531 (94.9% 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.
3,568 diamonds tracked in this segment
Price range: $243 to $4,774
Average price: $1,076
Median price: $850
Available across 8 retailers
Savings potential: up to 94.9%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
3,568
$243
$1,076
$850
$4,774
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 72.9%IGI | 1.5ct | Heart | K | SI1 | Ideal
From $243
Compare at $898
Save 77.7%IGI | 1.51ct | Heart | E | VS2 | Very Good
From $279
Compare at $1,250
Save 75.6%IGI | 1.5ct | Heart | E | SI1 | Ideal
From $283
Compare at $1,160
Save 57.6%IGI | 1.52ct | Heart | E | SI1 | Very Good
From $291
Compare at $686
Save 75%IGI | 1.54ct | Heart | E | SI1 | Ideal
From $295
Compare at $1,180
Save 77.8%IGI | 1.5ct | Heart | F | VS1 | Excellent
From $295
Compare at $1,330
Save 63.2%IGI | 1.5ct | Heart | E | VVS2 | Ideal
From $298
Compare at $810
Save 70.9%IGI | 1.5ct | Heart | E | VS1 | Very Good
From $298
Compare at $1,025
Save 78.6%IGI | 1.5ct | Heart | F | VS2 | Ideal
From $298
Compare at $1,390
Save 53.3%IGI | 1.53ct | Heart | H | VVS2 | Very Good
From $300
Compare at $643
Save 77.3%IGI | 1.56ct | Heart | G | VS1 | Very Good
From $302
Compare at $1,330
Save 70.8%IGI | 1.5ct | Heart | D | VS1 | Very Good
From $302
Compare at $1,036
Save 70.8%IGI | 1.5ct | Heart | D | VS1 | Ideal
From $302
Compare at $1,036
Save 49.4%IGI | 1.5ct | Heart | E | SI1 | Very Good
From $303
Compare at $599
Save 67.2%IGI | 1.5ct | Heart | E | VS1 | Ideal
From $305
Compare at $929
Save 70.9%IGI | 1.54ct | Heart | G | VVS2 | Very Good
From $306
Compare at $1,052
Save 50.5%IGI | 1.5ct | Heart | E | VS1 | Excellent
From $306
Compare at $618
Save 52.3%IGI | 1.58ct | Heart | E | SI1 | Ideal
From $307
Compare at $644
Save 60.8%IGI | 1.54ct | Heart | E | VS1 | Very Good
From $307
Compare at $784
Save 60.8%IGI | 1.54ct | Heart | E | VS1 | Very Good
From $307
Compare at $784
Save 60.8%IGI | 1.54ct | Heart | E | VS1 | Very Good
From $307
Compare at $784
Save 60.7%IGI | 1.59ct | Heart | G | VS1 | Very Good
From $307
Compare at $781
Save 70.9%IGI | 1.51ct | Heart | D | VS1 | Very Good
From $307
Compare at $1,055
Save 70.9%IGI | 1.51ct | Heart | E | VS1 | Very Good
From $307
Compare at $1,055
Save 64%IGI | 1.52ct | Heart | D | VS2 | Ideal
From $308
Compare at $855
Save 48.8%IGI | 1.54ct | Heart | E | SI1 | Ideal
From $309
Compare at $603
Save 60.5%IGI | 1.55ct | Heart | E | VS1 | Very Good
From $309
Compare at $782
Save 64%IGI | 1.51ct | Heart | D | VS1 | Excellent
From $309
Compare at $859
Save 70.9%IGI | 1.52ct | Heart | D | VS1 | Very Good
From $309
Compare at $1,062
Save 64%IGI | 1.55ct | Heart | E | VS1 | Very Good
From $310
Compare at $861
Save 70.9%IGI | 1.58ct | Heart | D | VS1 | Very Good
From $310
Compare at $1,067
Save 77.8%IGI | 1.51ct | Heart | D | VS2 | Excellent
From $311
Compare at $1,400
Save 61.5%IGI | 1.51ct | Heart | D | VS1 | Ideal
From $312
Compare at $810
Save 58.1%IGI | 1.5ct | Heart | D | VVS2 | Ideal
From $312
Compare at $744
Save 61.5%IGI | 1.51ct | Heart | D | VS1 | Ideal
From $312
Compare at $810
Save 60.9%IGI | 1.5ct | Heart | E | VVS2 | Very Good
From $312
Compare at $798
Save 61.5%IGI | 1.51ct | Heart | E | VVS2 | Very Good
From $312
Compare at $810
Save 63.9%IGI | 1.52ct | Heart | D | VS1 | Very Good
From $312
Compare at $864
Save 70.9%IGI | 1.55ct | Heart | D | VS1 | Ideal
From $312
Compare at $1,071
Save 70.9%IGI | 1.55ct | Heart | E | VS1 | Ideal
From $312
Compare at $1,071
Save 73.6%IGI | 1.52ct | Heart | F | VS2 | Ideal
From $314
Compare at $1,190
Save 63.9%IGI | 1.53ct | Heart | D | VS1 | Very Good
From $314
Compare at $869
Save 53.6%IGI | 1.54ct | Heart | D | SI1 | Ideal
From $314
Compare at $677
Save 50.6%IGI | 1.59ct | Heart | E | SI1 | Ideal
From $314
Compare at $635
Save 49.3%IGI | 1.51ct | Heart | E | VVS2 | Very Good
From $314
Compare at $620
Save 47%IGI | 1.51ct | Heart | H | VS1 | Very Good
From $314
Compare at $592
Save 70.9%IGI | 1.58ct | Heart | E | VS1 | Very Good
From $314
Compare at $1,079
Save 70.9%IGI | 1.5ct | Heart | D | VS1 | Excellent
From $315
Compare at $1,084
Save 49.3%IGI | 1.5ct | Heart | D | VS1 | Very Good
From $315
Compare at $622
Save 60.9%IGI | 1.5ct | Heart | E | VVS2 | Very Good
From $315
Compare at $805
Entry pricing in this category starts around $243.
What to Know When Shopping for 1.5 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $4,531 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 $850 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 3,568 comparable stones in this segment. Prices start around $243 and go up to $4,774.
Based on the latest market data, the average asking price is about $1,076 with a median around $850.
The observed spread is roughly $4,531 across tracked listings, which is about 94.9% 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 $1,076. The median price is $850, 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 8 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 $4,531 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.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
1.4 Carat Heart Lab Grown Diamond Prices
1.6 Carat Heart Lab Grown Diamond Prices
1.3 Carat Heart Lab Grown Diamond Prices
1.7 Carat Heart Lab Grown Diamond Prices
1.2 Carat Heart Lab Grown Diamond Prices
1.8 Carat Heart Lab Grown Diamond Prices
1.1 Carat Heart Lab Grown Diamond Prices
1.5 Carat Round Lab Grown Diamond Prices
1.5 Carat Oval Lab Grown Diamond Prices
1.5 Carat Pear Lab Grown Diamond Prices
1.5 Carat Marquise Lab Grown Diamond Prices
1.5 Carat Emerald Lab Grown Diamond Prices
Tracking Lab Grown inventory for 1.5 carat Heart diamonds.