6 Carat Heart Lab Grown Diamond Prices Comparison

As of April 2026, 6 carat heart lab grown diamonds usually range from $645 to $28,733, with an average price of $5,401.In the last month, prices for these diamonds are flat -0%.Compare 135 verified listings across 6 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-14

6 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 135 verified 6-carat heart lab grown diamonds listed across 6 online retailers. Prices in this segment range from $645 to $28,733, with an average asking price of $5,400 and a median of $4,002.

The price spread of $28,088 (97.8% 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.

  • 135 diamonds tracked in this segment

  • Price range: $645 to $28,733

  • Average price: $5,400

  • Median price: $4,002

  • Available across 6 retailers

  • Savings potential: up to 97.8%

Price Range Overview

As of Apr 14, 2026
Spread $28,088

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

$645$28,733
Tracked

135

Lowest

$645

Average

$5,401

Median

$4,002

Highest

$28,733

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 | 6ct | Heart | F | VVS2 | Excellent
Save 84.9%

IGI | 6ct | Heart | F | VVS2 | Excellent

From $2,049

Compare at $13,600

5 stores
IGI | 6ct | Heart | F | VVS2 | Ideal
Save 85.8%

IGI | 6ct | Heart | F | VVS2 | Ideal

From $1,931

Compare at $13,620

5 stores
IGI | 6ct | Heart | F | VS1 | Ideal
Save 83.9%

IGI | 6ct | Heart | F | VS1 | Ideal

From $1,998

Compare at $12,420

3 stores
IGI | 6ct | Heart | E | VVS2 | Ideal
Save 44.9%

IGI | 6ct | Heart | E | VVS2 | Ideal

From $2,083

Compare at $3,780

4 stores
GIA | 6.01ct | Heart | G | VS2 | Excellent
Save 67%

GIA | 6.01ct | Heart | G | VS2 | Excellent

From $4,002

Compare at $12,124

5 stores
IGI | 6.01ct | Heart | E | VS1 | Ideal
Save 77.6%

IGI | 6.01ct | Heart | E | VS1 | Ideal

From $8,157

Compare at $36,450

6 stores
IGI | 6.01ct | Heart | D | VVS2 | Ideal
Save 86.1%

IGI | 6.01ct | Heart | D | VVS2 | Ideal

From $7,270

Compare at $52,350

7 stores
IGI | 6.01ct | Heart | E | VVS2 | Ideal
Save 83.6%

IGI | 6.01ct | Heart | E | VVS2 | Ideal

From $2,469

Compare at $15,010

4 stores
IGI | 6.01ct | Heart | E | VS1 | Ideal
Save 82%

IGI | 6.01ct | Heart | E | VS1 | Ideal

From $2,377

Compare at $13,190

5 stores
IGI | 6.01ct | Heart | D | VVS2 | Ideal
Save 69.9%

IGI | 6.01ct | Heart | D | VVS2 | Ideal

From $3,342

Compare at $11,090

4 stores
IGI | 6.01ct | Heart | F | VS1 | Ideal
Save 82%

IGI | 6.01ct | Heart | F | VS1 | Ideal

From $2,239

Compare at $12,450

4 stores
IGI | 6.01ct | Heart | D | VVS2 | Very Good
Save 54%

IGI | 6.01ct | Heart | D | VVS2 | Very Good

From $3,342

Compare at $7,270

5 stores
IGI | 6.01ct | Heart | D | VVS2 | Excellent
Save 76.3%

IGI | 6.01ct | Heart | D | VVS2 | Excellent

From $4,203

Compare at $17,770

4 stores
IGI | 6.01ct | Heart | FANCY | VS1 | Very Good
Save 18.2%

IGI | 6.01ct | Heart | FANCY | VS1 | Very Good

From $4,572

Compare at $5,589

2 stores
IGI | 6.01ct | Heart | F | VS1 | Ideal
Save 14.1%

IGI | 6.01ct | Heart | F | VS1 | Ideal

From $1,968

Compare at $2,290

3 stores
IGI | 6.01ct | Heart | E | VVS2 | Very Good
Save 52.2%

IGI | 6.01ct | Heart | E | VVS2 | Very Good

From $2,103

Compare at $4,403

5 stores
IGI | 6.01ct | Heart | E | VS1 | Ideal
Save 77.7%

IGI | 6.01ct | Heart | E | VS1 | Ideal

From $2,102

Compare at $9,430

4 stores
IGI | 6.01ct | Heart | E | VVS2 | Very Good
Save 86.1%

IGI | 6.01ct | Heart | E | VVS2 | Very Good

From $2,087

Compare at $14,980

5 stores
IGI | 6.01ct | Heart | D | VS1 | Very Good
Save 73.7%

IGI | 6.01ct | Heart | D | VS1 | Very Good

From $4,057

Compare at $15,420

4 stores
IGI | 6.01ct | Heart | FANCY | VS1 | Very Good
Save 41.3%

IGI | 6.01ct | Heart | FANCY | VS1 | Very Good

From $5,603

Compare at $9,546

3 stores
Save 41.3%

IGI | 6.01ct | Heart | FANCY | VS1 | Very Good

From $5,043

Compare at $8,592

3 stores
Save 41.3%

IGI | 6.01ct | Heart | FANCY | VS1 | Excellent

From $5,603

Compare at $9,546

3 stores
IGI | 6.01ct | Heart | D | VS1 | Very Good
Save 72.8%

IGI | 6.01ct | Heart | D | VS1 | Very Good

From $4,195

Compare at $15,420

3 stores
IGI | 6.01ct | Heart | D | VVS2 | Ideal
Save 42%

IGI | 6.01ct | Heart | D | VVS2 | Ideal

From $7,671

Compare at $13,220

2 stores
IGI | 6.02ct | Heart | F | VS1 | Very Good
Save 44.3%

IGI | 6.02ct | Heart | F | VS1 | Very Good

From $2,077

Compare at $3,730

4 stores
IGI | 6.02ct | Heart | F | VVS2 | Excellent
Save 85.3%

IGI | 6.02ct | Heart | F | VVS2 | Excellent

From $2,010

Compare at $13,640

6 stores
IGI | 6.02ct | Heart | F | VVS2 | Excellent
Save 75.5%

IGI | 6.02ct | Heart | F | VVS2 | Excellent

From $4,523

Compare at $18,480

2 stores
IGI | 6.02ct | Heart | F | VVS2 | Excellent
Save 75.5%

IGI | 6.02ct | Heart | F | VVS2 | Excellent

From $4,523

Compare at $18,480

2 stores
IGI | 6.02ct | Heart | D | VS2 | Ideal
Save 83%

IGI | 6.02ct | Heart | D | VS2 | Ideal

From $2,243

Compare at $13,160

6 stores
IGI | 6.02ct | Heart | E | VVS2 | Ideal
Save 83.8%

IGI | 6.02ct | Heart | E | VVS2 | Ideal

From $2,440

Compare at $15,020

7 stores
IGI | 6.02ct | Heart | F | VS1 | Excellent
Save 75.2%

IGI | 6.02ct | Heart | F | VS1 | Excellent

From $3,882

Compare at $15,660

2 stores
IGI | 6.02ct | Heart | F | VVS2 | Ideal
Save 85.4%

IGI | 6.02ct | Heart | F | VVS2 | Ideal

From $1,988

Compare at $13,640

5 stores
IGI | 6.02ct | Heart | F | VVS2 | Ideal
Save 84.9%

IGI | 6.02ct | Heart | F | VVS2 | Ideal

From $2,056

Compare at $13,640

5 stores
IGI | 6.02ct | Heart | F | VVS1 | Excellent
Save 72.3%

IGI | 6.02ct | Heart | F | VVS1 | Excellent

From $4,360

Compare at $15,725

5 stores
IGI | 6.02ct | Heart | F | VVS2 | Good
Save 85.4%

IGI | 6.02ct | Heart | F | VVS2 | Good

From $1,988

Compare at $13,640

5 stores
IGI | 6.02ct | Heart | F | VVS2 | Very Good
Save 85.8%

IGI | 6.02ct | Heart | F | VVS2 | Very Good

From $1,937

Compare at $13,640

5 stores
IGI | 6.02ct | Heart | E | VVS1 | Good
Save 74.9%

IGI | 6.02ct | Heart | E | VVS1 | Good

From $4,255

Compare at $16,980

5 stores
IGI | 6.02ct | Heart | E | VVS2 | Very Good
Save 86.3%

IGI | 6.02ct | Heart | E | VVS2 | Very Good

From $2,056

Compare at $15,030

3 stores
IGI | 6.02ct | Heart | FANCY | VS2 | Very Good
Save 39.4%

IGI | 6.02ct | Heart | FANCY | VS2 | Very Good

From $6,674

Compare at $11,016

2 stores
IGI | 6.02ct | Heart | E | VS1 | Very Good
Save 79%

IGI | 6.02ct | Heart | E | VS1 | Very Good

From $2,247

Compare at $10,690

5 stores
IGI | 6.02ct | Heart | F | VVS2 | Very Good
Save 85.7%

IGI | 6.02ct | Heart | F | VVS2 | Very Good

From $1,954

Compare at $13,660

5 stores
IGI | 6.02ct | Heart | E | VVS2 | Very Good
Save 38.6%

IGI | 6.02ct | Heart | E | VVS2 | Very Good

From $1,480

Compare at $2,411

3 stores
IGI | 6.02ct | Heart | E | VS2 | Ideal
Save 76.4%

IGI | 6.02ct | Heart | E | VS2 | Ideal

From $2,832

Compare at $11,980

3 stores
IGI | 6.02ct | Heart | E | VVS2 | Very Good
Save 86.3%

IGI | 6.02ct | Heart | E | VVS2 | Very Good

From $2,056

Compare at $15,030

6 stores
IGI | 6.03ct | Heart | H | VS1 | Ideal
Save 73.9%

IGI | 6.03ct | Heart | H | VS1 | Ideal

From $2,330

Compare at $8,940

4 stores
IGI | 6.03ct | Heart | F | VS1 | Excellent
Save 72.4%

IGI | 6.03ct | Heart | F | VS1 | Excellent

From $3,888

Compare at $14,070

5 stores
IGI | 6.03ct | Heart | E | VVS2 | Ideal
Save 14%

IGI | 6.03ct | Heart | E | VVS2 | Ideal

From $2,059

Compare at $2,395

3 stores
IGI | 6.03ct | Heart | E | VVS2 | Ideal
Save 73.8%

IGI | 6.03ct | Heart | E | VVS2 | Ideal

From $2,280

Compare at $8,690

5 stores
IGI | 6.03ct | Heart | E | VVS2 | Ideal
Save 83.5%

IGI | 6.03ct | Heart | E | VVS2 | Ideal

From $2,470

Compare at $14,950

2 stores
IGI | 6.03ct | Heart | D | VVS1 | Excellent
Save 75.3%

IGI | 6.03ct | Heart | D | VVS1 | Excellent

From $4,950

Compare at $20,040

7 stores

Entry pricing in this category starts around $645.

What to Know When Shopping for 6 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $28,088 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 $4,002 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 135 comparable stones in this segment. Prices start around $645 and go up to $28,733.

Based on the latest market data, the average asking price is about $5,400 with a median around $4,002.

The observed spread is roughly $28,088 across tracked listings, which is about 97.8% 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 $4,002, 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 6 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 $28,088 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 6 carat Heart diamonds.