8 Carat Heart Lab Grown Diamond Prices Comparison

As of October 2026, 8 carat heart lab grown diamonds in the 8.00–8.99 carat benchmark range usually range from $1,028 to $44,166, with an average price of $5,598.In the last month, prices for these diamonds are down 3.2%.Compare 175 verified listings across 8 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-10-15

8 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 175 verified 8-carat heart lab grown diamonds in the 8.00–8.99 carat benchmark range, listed across 8 online retailers. Prices in this segment range from $1,028 to $44,166, with an average asking price of $5,598 and a median of $4,114.

The price spread of $43,138 (97.7% 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 use the same benchmark range throughout the page and 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.

  • 175 diamonds tracked in the 8.00–8.99 carat benchmark

  • Price range: $1,028 to $44,166

  • Average price: $5,598

  • Median price: $4,114

  • Available across 8 retailers

  • Savings potential: up to 97.7%

All charts, listings, price matrices, shape comparisons, FAQs, and schema on this page use the same 8.00–8.99 carat benchmark range.

Price Range Overview

As of Oct 15, 2026
Spread $43,138

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

$1,028$44,166
Tracked

175

Lowest

$1,028

Average

$5,598

Median

$4,114

Highest

$44,166

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers in the same benchmark range and open any listing for full details.

IGI | 8.01ct | Heart | G | VS1 | Ideal
Save 79.3%

IGI | 8.01ct | Heart | G | VS1 | Ideal

From $1,463

Compare at $7,079

11 stores
IGI | 8.31ct | Heart | G | VS1 | Ideal
Save 79.3%

IGI | 8.31ct | Heart | G | VS1 | Ideal

From $1,496

Compare at $7,210

9 stores
IGI | 8.2ct | Heart | G | VS2 | Ideal
Save 76.7%

IGI | 8.2ct | Heart | G | VS2 | Ideal

From $1,524

Compare at $6,550

9 stores
IGI | 8.01ct | Heart | E | VS2 | Very Good
Save 80%

IGI | 8.01ct | Heart | E | VS2 | Very Good

From $1,561

Compare at $7,790

11 stores
IGI | 8.03ct | Heart | E | VS2 | Very Good
Save 80%

IGI | 8.03ct | Heart | E | VS2 | Very Good

From $1,565

Compare at $7,810

11 stores
IGI | 8.04ct | Heart | G | VS2 | Very Good
Save 79.4%

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

From $1,567

Compare at $7,593

11 stores
IGI | 8.09ct | Heart | F | VS1 | Very Good
Save 74%

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

From $1,574

Compare at $6,046

4 stores
IGI | 8.01ct | Heart | G | VS1 | Very Good
Save 79.4%

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

From $1,575

Compare at $7,634

11 stores
IGI | 8.02ct | Heart | FANCY | SI1 | Very Good
Save 43%

IGI | 8.02ct | Heart | FANCY | SI1 | Very Good

From $1,577

Compare at $2,766

2 stores
IGI | 8.04ct | Heart | FANCY | SI1 | Very Good
Save 43%

IGI | 8.04ct | Heart | FANCY | SI1 | Very Good

From $1,581

Compare at $2,773

2 stores
IGI | 8.02ct | Heart | G | VVS2 | Very Good
Save 79.8%

IGI | 8.02ct | Heart | G | VVS2 | Very Good

From $1,591

Compare at $7,870

11 stores
IGI | 8.51ct | Heart | F | VS2 | Ideal
Save 78.4%

IGI | 8.51ct | Heart | F | VS2 | Ideal

From $1,596

Compare at $7,380

8 stores
IGI | 8.62ct | Heart | G | VS2 | Ideal
Save 76.8%

IGI | 8.62ct | Heart | G | VS2 | Ideal

From $1,600

Compare at $6,890

9 stores
IGI | 8.62ct | Heart | G | VS2 | Ideal
Save 76.8%

IGI | 8.62ct | Heart | G | VS2 | Ideal

From $1,600

Compare at $6,890

6 stores
IGI | 8.01ct | Heart | E | VS2 | Ideal
Save 79.4%

IGI | 8.01ct | Heart | E | VS2 | Ideal

From $1,601

Compare at $7,790

9 stores
IGI | 8.08ct | Heart | G | VVS2 | Very Good
Save 79.8%

IGI | 8.08ct | Heart | G | VVS2 | Very Good

From $1,603

Compare at $7,930

11 stores
IGI | 8.02ct | Heart | E | VS2 | Very Good
Save 79.4%

IGI | 8.02ct | Heart | E | VS2 | Very Good

From $1,603

Compare at $7,800

10 stores
IGI | 8.04ct | Heart | E | VS2 | Excellent
Save 79.5%

IGI | 8.04ct | Heart | E | VS2 | Excellent

From $1,607

Compare at $7,820

10 stores
IGI | 8.07ct | Heart | E | VS2 | Very Good
Save 79.2%

IGI | 8.07ct | Heart | E | VS2 | Very Good

From $1,636

Compare at $7,860

9 stores
IGI | 8.07ct | Heart | F | VS1 | Very Good
Save 79.8%

IGI | 8.07ct | Heart | F | VS1 | Very Good

From $1,650

Compare at $8,160

12 stores
IGI | 8.04ct | Heart | E | VS1 | Excellent
Save 78.8%

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

From $1,680

Compare at $7,941

9 stores
IGI | 8.05ct | Heart | E | VS1 | Very Good
Save 63.3%

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

From $1,680

Compare at $4,583

8 stores
IGI | 8.05ct | Heart | E | VS1 | Very Good
Save 71.8%

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

From $1,681

Compare at $5,963

9 stores
IGI | 8.04ct | Heart | F | VS1 | Excellent
Save 79.3%

IGI | 8.04ct | Heart | F | VS1 | Excellent

From $1,686

Compare at $8,130

10 stores
IGI | 8.08ct | Heart | E | VS1 | Very Good
Save 78.8%

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

From $1,688

Compare at $7,981

9 stores
IGI | 8.08ct | Heart | F | VS1 | Excellent
Save 79.3%

IGI | 8.08ct | Heart | F | VS1 | Excellent

From $1,688

Compare at $8,170

10 stores
IGI | 8.02ct | Heart | F | VS1 | Very Good
Save 79.2%

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

From $1,690

Compare at $8,110

10 stores
IGI | 8.04ct | Heart | F | VS1 | Very Good
Save 79.2%

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

From $1,694

Compare at $8,130

10 stores
IGI | 8.24ct | Heart | G | VS1 | Ideal
Save 76.2%

IGI | 8.24ct | Heart | G | VS1 | Ideal

From $1,701

Compare at $7,140

9 stores
IGI | 8.01ct | Heart | F | VS1 | Ideal
Save 79%

IGI | 8.01ct | Heart | F | VS1 | Ideal

From $1,701

Compare at $8,100

11 stores
IGI | 8.01ct | Heart | F | VS1 | Very Good
Save 79%

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

From $1,703

Compare at $8,100

10 stores
IGI | 8.05ct | Heart | E | VS1 | Excellent
Save 72.4%

IGI | 8.05ct | Heart | E | VS1 | Excellent

From $1,705

Compare at $6,173

6 stores
IGI | 8.05ct | Heart | E | VS1 | Very Good
Save 72.4%

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

From $1,705

Compare at $6,173

6 stores
IGI | 8.07ct | Heart | E | VS1 | Excellent
Save 72.4%

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

From $1,709

Compare at $6,188

6 stores
IGI | 8.05ct | Heart | F | VS1 | Very Good
Save 79%

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

From $1,710

Compare at $8,150

11 stores
IGI | 8.05ct | Heart | F | VS1 | Very Good
Save 79%

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

From $1,710

Compare at $8,140

10 stores
IGI | 8.01ct | Heart | E | VVS2 | Ideal
Save 68.3%

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

From $1,713

Compare at $5,404

9 stores
IGI | 8.01ct | Heart | F | VS1 | Very Good
Save 62.9%

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

From $1,715

Compare at $4,623

8 stores
IGI | 8.04ct | Heart | E | VS1 | Very Good
Save 62.9%

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

From $1,722

Compare at $4,640

8 stores
IGI | 8.35ct | Heart | G | VS1 | Ideal
Save 76.2%

IGI | 8.35ct | Heart | G | VS1 | Ideal

From $1,724

Compare at $7,250

9 stores
IGI | 8.05ct | Heart | G | VVS2 | Very Good
Save 78.2%

IGI | 8.05ct | Heart | G | VVS2 | Very Good

From $1,726

Compare at $7,900

10 stores
IGI | 8.07ct | Heart | E | VVS2 | Ideal
Save 76.3%

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

From $1,738

Compare at $7,342

6 stores
IGI | 8.57ct | Heart | F | VS1 | Very Good
Save 79.9%

IGI | 8.57ct | Heart | F | VS1 | Very Good

From $1,742

Compare at $8,670

9 stores
IGI | 8.09ct | Heart | E | VVS2 | Ideal
Save 76.3%

IGI | 8.09ct | Heart | E | VVS2 | Ideal

From $1,742

Compare at $7,360

6 stores
IGI | 8.72ct | Heart | G | VS1 | Ideal
Save 76.9%

IGI | 8.72ct | Heart | G | VS1 | Ideal

From $1,747

Compare at $7,560

9 stores
IGI | 8.09ct | Heart | F | VS1 | Ideal
Save 69.6%

IGI | 8.09ct | Heart | F | VS1 | Ideal

From $1,760

Compare at $5,783

6 stores
IGI | 8.06ct | Heart | E | VS1 | Very Good
Save 61.8%

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

From $1,763

Compare at $4,616

3 stores
IGI | 8.04ct | Heart | G | VVS2 | Ideal
Save 58.9%

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

From $1,765

Compare at $4,299

3 stores
IGI | 8.02ct | Heart | E | VVS2 | Ideal
Save 61.9%

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

From $1,776

Compare at $4,666

8 stores
IGI | 8.01ct | Heart | E | VVS2 | Good
Save 75.6%

IGI | 8.01ct | Heart | E | VVS2 | Good

From $1,776

Compare at $7,287

6 stores

Entry pricing in this benchmark range starts around $1,028.

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 $43,138 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 $4,114 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 175 comparable stones in the 8.00–8.99 carat benchmark range. Prices start around $1,028 and go up to $44,166.

Based on the latest market data, the average asking price is about $5,598 with a median around $4,114.

The observed spread is roughly $43,138 across tracked listings, which is about 97.7% from highest to lowest offer in the 8.00–8.99 carat benchmark range.

We refresh pricing data daily so these pages stay current with market changes.

Based on completed market data, the fair market benchmark is $5,598. The median price is $4,114, 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 $43,138 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 the 8.00–8.99 carat Heart diamond benchmark.