1.4 Carat Heart Lab Grown Diamond Prices Comparison

As of May 2026, 1.4 carat heart lab grown diamonds usually range from $246 to $3,646, with an average price of $944.In the last month, prices for these diamonds are down 3.8%.Compare 456 verified listings across 8 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-05-29

1.4 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 456 verified 1.4-carat heart lab grown diamonds listed across 8 online retailers. Prices in this segment range from $246 to $3,646, with an average asking price of $944 and a median of $803.

The price spread of $3,400 (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.

  • 456 diamonds tracked in this segment

  • Price range: $246 to $3,646

  • Average price: $944

  • Median price: $803

  • Available across 8 retailers

  • Savings potential: up to 93.3%

Price Range Overview

As of May 29, 2026
Spread $3,400

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

$246$3,646
Tracked

456

Lowest

$246

Average

$944

Median

$803

Highest

$3,646

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.

IGI | 1.4ct | Heart | E | VS1 | Very Good
Save 77.2%

IGI | 1.4ct | Heart | E | VS1 | Very Good

From $262

Compare at $1,150

6 stores
IGI | 1.44ct | Heart | E | VS1 | Very Good
Save 77.5%

IGI | 1.44ct | Heart | E | VS1 | Very Good

From $266

Compare at $1,180

7 stores
IGI | 1.45ct | Heart | F | VS1 | Excellent
Save 65.8%

IGI | 1.45ct | Heart | F | VS1 | Excellent

From $272

Compare at $795

5 stores
IGI | 1.46ct | Heart | E | VS2 | Excellent
Save 75.3%

IGI | 1.46ct | Heart | E | VS2 | Excellent

From $277

Compare at $1,120

4 stores
IGI | 1.44ct | Heart | E | VS2 | Very Good
Save 54%

IGI | 1.44ct | Heart | E | VS2 | Very Good

From $284

Compare at $617

3 stores
IGI | 1.45ct | Heart | E | VVS2 | Ideal
Save 78.4%

IGI | 1.45ct | Heart | E | VVS2 | Ideal

From $289

Compare at $1,340

5 stores
IGI | 1.45ct | Heart | D | VS1 | Very Good
Save 65.8%

IGI | 1.45ct | Heart | D | VS1 | Very Good

From $295

Compare at $863

5 stores
IGI | 1.45ct | Heart | D | VS1 | Very Good
Save 65.8%

IGI | 1.45ct | Heart | D | VS1 | Very Good

From $295

Compare at $863

5 stores
IGI | 1.42ct | Heart | E | VVS2 | Ideal
Save 78.1%

IGI | 1.42ct | Heart | E | VVS2 | Ideal

From $305

Compare at $1,390

5 stores
IGI | 1.49ct | Heart | E | SI1 | Very Good
Save 10.4%

IGI | 1.49ct | Heart | E | SI1 | Very Good

From $310

Compare at $346

2 stores
Save 69.2%

IGI | 1.49ct | Heart | D | VS1 | Ideal

From $310

Compare at $1,006

6 stores
IGI | 1.43ct | Heart | G | VVS2 | Ideal
Save 71.2%

IGI | 1.43ct | Heart | G | VVS2 | Ideal

From $311

Compare at $1,080

5 stores
IGI | 1.42ct | Heart | E | VS2 | Ideal
Save 72.9%

IGI | 1.42ct | Heart | E | VS2 | Ideal

From $312

Compare at $1,150

5 stores
IGI | 1.4ct | Heart | F | VS2 | Ideal
Save 68.9%

IGI | 1.4ct | Heart | F | VS2 | Ideal

From $314

Compare at $1,010

4 stores
IGI | 1.47ct | Heart | D | VS1 | Excellent
Save 75.8%

IGI | 1.47ct | Heart | D | VS1 | Excellent

From $319

Compare at $1,320

3 stores
IGI | 1.4ct | Heart | E | VS1 | Excellent
Save 74.7%

IGI | 1.4ct | Heart | E | VS1 | Excellent

From $321

Compare at $1,270

7 stores
IGI | 1.4ct | Heart | E | VVS2 | Very Good
Save 69.3%

IGI | 1.4ct | Heart | E | VVS2 | Very Good

From $321

Compare at $1,046

5 stores
IGI | 1.42ct | Heart | F | VS1 | Ideal
Save 79.9%

IGI | 1.42ct | Heart | F | VS1 | Ideal

From $323

Compare at $1,610

3 stores
IGI | 1.45ct | Heart | E | VS1 | Ideal
Save 59.6%

IGI | 1.45ct | Heart | E | VS1 | Ideal

From $325

Compare at $804

5 stores
Save 75.9%

IGI | 1.42ct | Heart | D | VS1 | Ideal

From $325

Compare at $1,350

7 stores
IGI | 1.41ct | Heart | E | VVS2 | Excellent
Save 75.3%

IGI | 1.41ct | Heart | E | VVS2 | Excellent

From $326

Compare at $1,320

7 stores
IGI | 1.42ct | Heart | G | VS1 | Excellent
Save 71.9%

IGI | 1.42ct | Heart | G | VS1 | Excellent

From $328

Compare at $1,167

6 stores
IGI | 1.49ct | Heart | D | VS1 | Very Good
Save 63.3%

IGI | 1.49ct | Heart | D | VS1 | Very Good

From $328

Compare at $894

4 stores
IGI | 1.43ct | Heart | D | VS2 | Excellent
Save 76.3%

IGI | 1.43ct | Heart | D | VS2 | Excellent

From $330

Compare at $1,390

6 stores
IGI | 1.45ct | Heart | F | VS1 | Very Good
Save 73%

IGI | 1.45ct | Heart | F | VS1 | Very Good

From $330

Compare at $1,220

7 stores
IGI | 1.42ct | Heart | D | VS2 | Ideal
Save 72.2%

IGI | 1.42ct | Heart | D | VS2 | Ideal

From $331

Compare at $1,190

6 stores
IGI | 1.42ct | Heart | D | VS1 | Ideal
Save 75.5%

IGI | 1.42ct | Heart | D | VS1 | Ideal

From $331

Compare at $1,350

6 stores
IGI | 1.4ct | Heart | D | VVS2 | Excellent
Save 67.1%

IGI | 1.4ct | Heart | D | VVS2 | Excellent

From $332

Compare at $1,008

6 stores
IGI | 1.44ct | Heart | E | VVS2 | Ideal
Save 75.3%

IGI | 1.44ct | Heart | E | VVS2 | Ideal

From $333

Compare at $1,350

5 stores
IGI | 1.48ct | Heart | E | VS2 | Excellent
Save 75%

IGI | 1.48ct | Heart | E | VS2 | Excellent

From $333

Compare at $1,330

7 stores
IGI | 1.44ct | Heart | E | VS2 | Ideal
Save 74.4%

IGI | 1.44ct | Heart | E | VS2 | Ideal

From $333

Compare at $1,300

4 stores
IGI | 1.44ct | Heart | E | VS2 | Ideal
Save 75.5%

IGI | 1.44ct | Heart | E | VS2 | Ideal

From $333

Compare at $1,360

4 stores
IGI | 1.41ct | Heart | D | VVS2 | Excellent
Save 67.1%

IGI | 1.41ct | Heart | D | VVS2 | Excellent

From $334

Compare at $1,015

6 stores
IGI | 1.41ct | Heart | D | VVS2 | Very Good
Save 67.1%

IGI | 1.41ct | Heart | D | VVS2 | Very Good

From $334

Compare at $1,015

6 stores
IGI | 1.41ct | Heart | D | VVS2 | Excellent
Save 67.1%

IGI | 1.41ct | Heart | D | VVS2 | Excellent

From $334

Compare at $1,015

6 stores
IGI | 1.41ct | Heart | D | VVS2 | Excellent
Save 78.7%

IGI | 1.41ct | Heart | D | VVS2 | Excellent

From $334

Compare at $1,570

7 stores
IGI | 1.41ct | Heart | D | VVS2 | Excellent
Save 65.9%

IGI | 1.41ct | Heart | D | VVS2 | Excellent

From $335

Compare at $982

7 stores
IGI | 1.4ct | Heart | D | VS1 | Ideal
Save 76.2%

IGI | 1.4ct | Heart | D | VS1 | Ideal

From $336

Compare at $1,410

6 stores
IGI | 1.47ct | Heart | E | VS1 | Very Good
Save 75.8%

IGI | 1.47ct | Heart | E | VS1 | Very Good

From $337

Compare at $1,390

7 stores
IGI | 1.42ct | Heart | D | VVS2 | Excellent
Save 65.8%

IGI | 1.42ct | Heart | D | VVS2 | Excellent

From $338

Compare at $989

7 stores
Save 67.3%

IGI | 1.44ct | Heart | F | VS1 | Excellent

From $340

Compare at $1,040

6 stores
IGI | 1.46ct | Heart | D | VS1 | Ideal
Save 76.8%

IGI | 1.46ct | Heart | D | VS1 | Ideal

From $341

Compare at $1,470

6 stores
IGI | 1.46ct | Heart | D | VS2 | Ideal
Save 78.1%

IGI | 1.46ct | Heart | D | VS2 | Ideal

From $342

Compare at $1,560

4 stores
IGI | 1.42ct | Heart | E | VS1 | Ideal
Save 75.7%

IGI | 1.42ct | Heart | E | VS1 | Ideal

From $342

Compare at $1,410

4 stores
IGI | 1.47ct | Heart | D | VS1 | Excellent
Save 78.9%

IGI | 1.47ct | Heart | D | VS1 | Excellent

From $342

Compare at $1,620

8 stores
IGI | 1.42ct | Heart | D | VS2 | Excellent
Save 72.1%

IGI | 1.42ct | Heart | D | VS2 | Excellent

From $344

Compare at $1,232

5 stores
IGI | 1.4ct | Heart | E | VVS2 | Excellent
Save 76.6%

IGI | 1.4ct | Heart | E | VVS2 | Excellent

From $344

Compare at $1,470

5 stores
IGI | 1.45ct | Heart | D | VVS2 | Excellent
Save 65.8%

IGI | 1.45ct | Heart | D | VVS2 | Excellent

From $345

Compare at $1,010

7 stores
IGI | 1.45ct | Heart | E | VS2 | Very Good
Save 69.2%

IGI | 1.45ct | Heart | E | VS2 | Very Good

From $345

Compare at $1,120

7 stores
IGI | 1.49ct | Heart | D | VS1 | Excellent
Save 79.8%

IGI | 1.49ct | Heart | D | VS1 | Excellent

From $346

Compare at $1,710

8 stores

Entry pricing in this category starts around $246.

What to Know When Shopping for 1.4 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,400 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 $803 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 456 comparable stones in this segment. Prices start around $246 and go up to $3,646.

Based on the latest market data, the average asking price is about $944 with a median around $803.

The observed spread is roughly $3,400 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 completed market data, the fair market benchmark is $944. The median price is $803, 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 $3,400 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 1.4 carat Heart diamonds.