1.5 Carat Heart Lab Grown Diamond Prices Comparison

As of February 2026, 1.5 carat heart lab grown diamonds usually range from $402 to $3,608, with an average price of $688.In the last month, prices for these diamonds are down 2.6%.Compare 2,634 verified listings across 9 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-02-28

1.5 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 2,634 verified 1.5-carat heart lab grown diamonds listed across 9 online retailers. Prices in this segment range from $402 to $3,608, with an average asking price of $688 and a median of $614.

The price spread of $3,206 (88.8% 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.

  • 2,634 diamonds tracked in this segment

  • Price range: $402 to $3,608

  • Average price: $688

  • Median price: $614

  • Available across 9 retailers

  • Savings potential: up to 88.8%

Price Range Overview

As of Feb 28, 2026
Spread $3,206

Real market range for this carat, shape, and diamond type.

$402$3,608
Tracked

2,634

Lowest

$402

Average

$688

Median

$614

Highest

$3,608

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers for this exact segment and open any listing for full details.

1.45ct | Heart | D | VS1 | IdealIGI
Save 34.3%

1.45ct | Heart | D | VS1 | Ideal

From $537

Compare at $817

3 stores
1.45ct | Heart | G | VS1 | ExcellentIGI
Save 74.5%

1.45ct | Heart | G | VS1 | Excellent

From $499

Compare at $1,960

7 stores
1.45ct | Heart | G | VS1 | IdealIGI
Save 71.8%

1.45ct | Heart | G | VS1 | Ideal

From $631

Compare at $2,240

4 stores
1.45ct | Heart | D | VVS2 | ExcellentIGI
Save 79.9%

1.45ct | Heart | D | VVS2 | Excellent

From $529

Compare at $2,630

7 stores
1.45ct | Heart | F | VS1 | IdealIGI
Save 33.7%

1.45ct | Heart | F | VS1 | Ideal

From $1,133

Compare at $1,708

2 stores
1.45ct | Heart | D | VVS2 | IdealIGI
Save 57.9%

1.45ct | Heart | D | VVS2 | Ideal

From $566

Compare at $1,347

4 stores
1.45ct | Heart | D | VVS2 | ExcellentIGI
Save 79.8%

1.45ct | Heart | D | VVS2 | Excellent

From $529

Compare at $2,620

7 stores
1.45ct | Heart | E | VVS2 | IdealIGI
Save 60.8%

1.45ct | Heart | E | VVS2 | Ideal

From $628

Compare at $1,603

5 stores
1.45ct | Heart | E | VS1 | Very GoodIGI
Save 56.9%

1.45ct | Heart | E | VS1 | Very Good

From $798

Compare at $1,850

2 stores
1.45ct | Heart | D | VS1 | ExcellentIGI
Save 75.6%

1.45ct | Heart | D | VS1 | Excellent

From $521

Compare at $2,140

7 stores
1.45ct | Heart | D | VS2 | Very GoodIGI
Save 61.2%

1.45ct | Heart | D | VS2 | Very Good

From $509

Compare at $1,312

3 stores
1.45ct | Heart | D | VS1 | ExcellentIGI
Save 60.3%

1.45ct | Heart | D | VS1 | Excellent

From $798

Compare at $2,010

2 stores
1.45ct | Heart | D | VVS2 | Very GoodIGI
Save 61.2%

1.45ct | Heart | D | VVS2 | Very Good

From $640

Compare at $1,649

5 stores
1.45ct | Heart | D | VS1 | IdealIGI
Save 44%

1.45ct | Heart | D | VS1 | Ideal

From $1,233

Compare at $2,200

2 stores
1.45ct | Heart | D | VS1 | IdealIGI
Save 44%

1.45ct | Heart | D | VS1 | Ideal

From $1,233

Compare at $2,200

2 stores
1.45ct | Heart | D | VS2 | IdealIGI
Save 73.2%

1.45ct | Heart | D | VS2 | Ideal

From $558

Compare at $2,080

5 stores
1.45ct | Heart | D | VVS2 | ExcellentIGI
Save 79.8%

1.45ct | Heart | D | VVS2 | Excellent

From $529

Compare at $2,620

7 stores
1.45ct | Heart | F | VS1 | ExcellentIGI
Save 56.7%

1.45ct | Heart | F | VS1 | Excellent

From $503

Compare at $1,160

5 stores
1.45ct | Heart | D | VS1 | IdealIGI
Save 73.7%

1.45ct | Heart | D | VS1 | Ideal

From $563

Compare at $2,140

6 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 54.7%

1.45ct | Heart | E | VS1 | Excellent

From $798

Compare at $1,760

3 stores
1.45ct | Heart | D | VVS2 | IdealIGI
Save 78.3%

1.45ct | Heart | D | VVS2 | Ideal

From $569

Compare at $2,620

5 stores
1.45ct | Heart | D | VVS2 | IdealIGI
Save 57.9%

1.45ct | Heart | D | VVS2 | Ideal

From $566

Compare at $1,347

4 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 65.4%

1.45ct | Heart | E | VS1 | Excellent

From $641

Compare at $1,850

3 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 65.4%

1.45ct | Heart | E | VS1 | Excellent

From $641

Compare at $1,850

3 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 43.4%

1.45ct | Heart | E | VS1 | Excellent

From $798

Compare at $1,410

2 stores
1.45ct | Heart | E | VVS2 | IdealIGI
Save 73.9%

1.45ct | Heart | E | VVS2 | Ideal

From $542

Compare at $2,080

5 stores
1.45ct | Heart | E | VS2 | IdealIGI
Save 57.9%

1.45ct | Heart | E | VS2 | Ideal

From $520

Compare at $1,234

5 stores
1.45ct | Heart | D | VVS1 | ExcellentIGI
Save 77.5%

1.45ct | Heart | D | VVS1 | Excellent

From $577

Compare at $2,570

7 stores
1.45ct | Heart | G | VS1 | IdealIGI
Save 58.2%

1.45ct | Heart | G | VS1 | Ideal

From $481

Compare at $1,150

3 stores
1.45ct | Heart | D | VVS2 | IdealIGI
Save 78.9%

1.45ct | Heart | D | VVS2 | Ideal

From $504

Compare at $2,390

5 stores
1.45ct | Heart | E | IF | ExcellentGIA
Save 81.6%

1.45ct | Heart | E | IF | Excellent

From $890

Compare at $4,840

5 stores
1.45ct | Heart | F | VS1 | Very GoodIGI
Save 54.2%

1.45ct | Heart | F | VS1 | Very Good

From $522

Compare at $1,140

3 stores
1.45ct | Heart | D | VVS2 | Very GoodIGI
Save 55.4%

1.45ct | Heart | D | VVS2 | Very Good

From $561

Compare at $1,257

4 stores
1.45ct | Heart | E | VVS2 | IdealIGI
Save 66.1%

1.45ct | Heart | E | VVS2 | Ideal

From $539

Compare at $1,590

4 stores
1.45ct | Heart | E | VS1 | IdealIGI
Save 65.7%

1.45ct | Heart | E | VS1 | Ideal

From $639

Compare at $1,860

5 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 56.9%

1.45ct | Heart | E | VS1 | Excellent

From $798

Compare at $1,850

2 stores
1.45ct | Heart | E | VVS2 | ExcellentIGI
Save 44%

1.45ct | Heart | E | VVS2 | Excellent

From $1,265

Compare at $2,260

2 stores
1.45ct | Heart | E | VS1 | IdealIGI
Save 38.4%

1.45ct | Heart | E | VS1 | Ideal

From $508

Compare at $824

3 stores
1.45ct | Heart | D | VS1 | ExcellentIGI
Save 44%

1.45ct | Heart | D | VS1 | Excellent

From $1,233

Compare at $2,200

2 stores
IGI
Save 62.5%

1.45ct | Heart | E | VVS2 | Very Good

From $521

Compare at $1,390

3 stores
1.45ct | Heart | D | VS1 | Very GoodIGI
Save 54.8%

1.45ct | Heart | D | VS1 | Very Good

From $532

Compare at $1,177

4 stores
1.45ct | Heart | E | VVS2 | Very GoodIGI
Save 69.2%

1.45ct | Heart | E | VVS2 | Very Good

From $570

Compare at $1,850

7 stores
1.45ct | Heart | D | VS2 | ExcellentIGI
Save 72.5%

1.45ct | Heart | D | VS2 | Excellent

From $578

Compare at $2,100

6 stores
1.45ct | Heart | E | VS1 | ExcellentIGI
Save 56.9%

1.45ct | Heart | E | VS1 | Excellent

From $798

Compare at $1,850

2 stores
1.45ct | Heart | D | VS1 | IdealIGI
Save 62.7%

1.45ct | Heart | D | VS1 | Ideal

From $574

Compare at $1,539

5 stores
1.45ct | Heart | D | VVS1 | IdealIGI
Save 77.1%

1.45ct | Heart | D | VVS1 | Ideal

From $691

Compare at $3,010

6 stores
1.45ct | Heart | D | IF | IdealIGI
Save 80.3%

1.45ct | Heart | D | IF | Ideal

From $908

Compare at $4,600

2 stores
1.45ct | Heart | D | VVS2 | Very GoodIGI
Save 78.8%

1.45ct | Heart | D | VVS2 | Very Good

From $525

Compare at $2,470

6 stores
1.45ct | Heart | D | VVS2 | ExcellentIGI
Save 78.5%

1.45ct | Heart | D | VVS2 | Excellent

From $560

Compare at $2,600

7 stores
1.45ct | Heart | E | VVS2 | Very GoodIGI
Save 13.3%

1.45ct | Heart | E | VVS2 | Very Good

From $495

Compare at $572

2 stores

Entry pricing in this category starts around $402.

What to Know When Shopping for 1.5 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,206 or more.
  2. 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.
  3. The median price of $614 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
  4. 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.
  5. Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
  6. Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
  7. 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 2,634 comparable stones in this segment. Prices start around $402 and go up to $3,608.

Based on the latest market data, the average asking price is about $688 with a median around $614.

The observed spread is roughly $3,206 across tracked listings, which is about 88.8% 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 $614, 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 $3,206 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.

Tracking Lab Grown inventory for 1.5 carat Heart diamonds.