8 Carat Heart Lab Grown Diamond Prices Comparison

As of May 2026, 8 carat heart lab grown diamonds usually range from $1,578 to $31,992, with an average price of $6,689.In the last month, prices for these diamonds are down 10.8%.Compare 42 verified listings across 5 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-05-29

8 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 42 verified 8-carat heart lab grown diamonds listed across 5 online retailers. Prices in this segment range from $1,578 to $31,992, with an average asking price of $6,688 and a median of $4,666.

The price spread of $30,414 (95.1% 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.

  • 42 diamonds tracked in this segment

  • Price range: $1,578 to $31,992

  • Average price: $6,688

  • Median price: $4,666

  • Available across 5 retailers

  • Savings potential: up to 95.1%

Price Range Overview

As of May 29, 2026
Spread $30,414

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

$1,578$31,992
Tracked

42

Lowest

$1,578

Average

$6,689

Median

$4,666

Highest

$31,992

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 | 8.08ct | Heart | G | VS2 | Ideal
Save 79.4%

IGI | 8.08ct | Heart | G | VS2 | Ideal

From $1,578

Compare at $7,660

6 stores
IGI | 8.08ct | Heart | F | VS2 | Very Good
Save 79.7%

IGI | 8.08ct | Heart | F | VS2 | Very Good

From $1,585

Compare at $7,795

4 stores
IGI | 8.08ct | Heart | E | VS2 | Very Good
Save 77.4%

IGI | 8.08ct | Heart | E | VS2 | Very Good

From $1,710

Compare at $7,577

4 stores
IGI | 8.07ct | Heart | E | VS1 | Excellent
Save 67.2%

IGI | 8.07ct | Heart | E | VS1 | Excellent

From $1,828

Compare at $5,567

6 stores
IGI | 8.01ct | Heart | F | VS1 | Very Good
Save 66.3%

IGI | 8.01ct | Heart | F | VS1 | Very Good

From $1,861

Compare at $5,518

3 stores
IGI | 8.04ct | Heart | E | VS1 | Very Good
Save 64.6%

IGI | 8.04ct | Heart | E | VS1 | Very Good

From $1,935

Compare at $5,461

3 stores
IGI | 8ct | Heart | E | VS1 | Very Good
Save 63.8%

IGI | 8ct | Heart | E | VS1 | Very Good

From $1,993

Compare at $5,510

4 stores
IGI | 8.03ct | Heart | E | VS1 | Very Good
Save 63.9%

IGI | 8.03ct | Heart | E | VS1 | Very Good

From $2,001

Compare at $5,550

4 stores
IGI | 8.04ct | Heart | E | VS1 | Excellent
Save 64%

IGI | 8.04ct | Heart | E | VS1 | Excellent

From $2,003

Compare at $5,562

4 stores
IGI | 8.05ct | Heart | E | VS1 | Very Good
Save 64%

IGI | 8.05ct | Heart | E | VS1 | Very Good

From $2,006

Compare at $5,575

4 stores
IGI | 8.08ct | Heart | E | VS1 | Very Good
Save 64.1%

IGI | 8.08ct | Heart | E | VS1 | Very Good

From $2,013

Compare at $5,615

4 stores
IGI | 8.01ct | Heart | E | VVS2 | Ideal
Save 65.1%

IGI | 8.01ct | Heart | E | VVS2 | Ideal

From $2,048

Compare at $5,870

7 stores
IGI | 8.09ct | Heart | F | VVS2 | Very Good
Save 72.7%

IGI | 8.09ct | Heart | F | VVS2 | Very Good

From $2,081

Compare at $7,614

7 stores
IGI | 8.02ct | Heart | E | VVS2 | Ideal
Save 73.4%

IGI | 8.02ct | Heart | E | VVS2 | Ideal

From $2,094

Compare at $7,883

7 stores
IGI | 8.02ct | Heart | E | VVS2 | Excellent
Save 63.7%

IGI | 8.02ct | Heart | E | VVS2 | Excellent

From $2,109

Compare at $5,816

6 stores
IGI | 8.04ct | Heart | F | VVS2 | Good
Save 73.4%

IGI | 8.04ct | Heart | F | VVS2 | Good

From $2,163

Compare at $8,141

6 stores
IGI | 8.01ct | Heart | F | VVS2 | Ideal
Save 60.3%

IGI | 8.01ct | Heart | F | VVS2 | Ideal

From $2,191

Compare at $5,515

7 stores
IGI | 8.04ct | Heart | E | VVS2 | Very Good
Save 77.1%

IGI | 8.04ct | Heart | E | VVS2 | Very Good

From $2,300

Compare at $10,025

4 stores
IGI | 8.06ct | Heart | E | VVS2 | Very Good
Save 61.2%

IGI | 8.06ct | Heart | E | VVS2 | Very Good

From $2,306

Compare at $5,939

3 stores
IGI | 8.07ct | Heart | E | VVS2 | Ideal
Save 33.8%

IGI | 8.07ct | Heart | E | VVS2 | Ideal

From $2,325

Compare at $3,514

2 stores
IGI | 8.02ct | Heart | F | VS1 | Very Good
Save 59%

IGI | 8.02ct | Heart | F | VS1 | Very Good

From $2,353

Compare at $5,739

6 stores
IGI | 8.04ct | Heart | E | VS2 | Very Good
Save 61%

IGI | 8.04ct | Heart | E | VS2 | Very Good

From $2,358

Compare at $6,043

4 stores
IGI | 8ct | Heart | D | VS1 | Excellent
Save 74.2%

IGI | 8ct | Heart | D | VS1 | Excellent

From $2,360

Compare at $9,149

8 stores
IGI | 8.09ct | Heart | F | VS1 | Very Good
Save 59.3%

IGI | 8.09ct | Heart | F | VS1 | Very Good

From $2,372

Compare at $5,833

6 stores
IGI | 8.01ct | Heart | E | VS1 | Ideal
Save 18.4%

IGI | 8.01ct | Heart | E | VS1 | Ideal

From $2,493

Compare at $3,056

2 stores
IGI | 8.06ct | Heart | D | VS1 | Ideal
Save 70.5%

IGI | 8.06ct | Heart | D | VS1 | Ideal

From $2,537

Compare at $8,609

3 stores
IGI | 8.08ct | Heart | D | VS1 | Ideal
Save 70.7%

IGI | 8.08ct | Heart | D | VS1 | Ideal

From $2,537

Compare at $8,649

3 stores
IGI | 8.02ct | Heart | D | VS1 | Very Good
Save 69.3%

IGI | 8.02ct | Heart | D | VS1 | Very Good

From $2,626

Compare at $8,556

7 stores
IGI | 8.03ct | Heart | FANCY | VVS2 | Very Good
Save 73.3%

IGI | 8.03ct | Heart | FANCY | VVS2 | Very Good

From $2,770

Compare at $10,389

2 stores
IGI | 8.01ct | Heart | F | VS1 | Very Good
Save 65.5%

IGI | 8.01ct | Heart | F | VS1 | Very Good

From $2,856

Compare at $8,270

3 stores
IGI | 8.06ct | Heart | F | VS1 | Very Good
Save 65.5%

IGI | 8.06ct | Heart | F | VS1 | Very Good

From $2,873

Compare at $8,322

3 stores
IGI | 8.06ct | Heart | E | VVS2 | Very Good

IGI | 8.06ct | Heart | E | VVS2 | Very Good

From $2,892

Compare at $3,158

2 stores
IGI | 8.06ct | Heart | D | VVS2 | Very Good
Save 69%

IGI | 8.06ct | Heart | D | VVS2 | Very Good

From $2,919

Compare at $9,420

4 stores
IGI | 8ct | Heart | FANCY | VS1 | Very Good
Save 73.3%

IGI | 8ct | Heart | FANCY | VS1 | Very Good

From $3,114

Compare at $11,644

2 stores
IGI | 8.04ct | Heart | G | VVS2 | Ideal
Save 46.7%

IGI | 8.04ct | Heart | G | VVS2 | Ideal

From $3,287

Compare at $6,166

2 stores
IGI | 8.02ct | Heart | E | VS1 | Excellent
Save 71.5%

IGI | 8.02ct | Heart | E | VS1 | Excellent

From $3,800

Compare at $13,340

4 stores
IGI | 8.06ct | Heart | FANCY | VS2 | Good
Save 63.2%

IGI | 8.06ct | Heart | FANCY | VS2 | Good

From $4,051

Compare at $11,002

2 stores
IGI | 8.02ct | Heart | FANCY | VS2 | Good
Save 66.7%

IGI | 8.02ct | Heart | FANCY | VS2 | Good

From $4,311

Compare at $12,964

2 stores
IGI | 8.01ct | Heart | E | VVS2 | Ideal
Save 77.6%

IGI | 8.01ct | Heart | E | VVS2 | Ideal

From $4,452

Compare at $19,850

5 stores
IGI | 8ct | Heart | E | VVS2 | Ideal
Save 77.2%

IGI | 8ct | Heart | E | VVS2 | Ideal

From $4,519

Compare at $19,830

5 stores
IGI | 8.09ct | Heart | F | VVS1 | Ideal
Save 73.5%

IGI | 8.09ct | Heart | F | VVS1 | Ideal

From $5,480

Compare at $20,700

7 stores
IGI | 8.07ct | Heart | D | VVS2 | Very Good
Save 68.9%

IGI | 8.07ct | Heart | D | VVS2 | Very Good

From $7,415

Compare at $23,840

7 stores

Entry pricing in this category starts around $1,578.

What to Know When Shopping for 8 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $30,414 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 $4,666 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 42 comparable stones in this segment. Prices start around $1,578 and go up to $31,992.

Based on the latest market data, the average asking price is about $6,688 with a median around $4,666.

The observed spread is roughly $30,414 across tracked listings, which is about 95.1% 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 $6,688. The median price is $4,666, 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 5 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 $30,414 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 8 carat Heart diamonds.