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.
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%
Price Range Overview
As of Oct 15, 2026Real market range for this carat, shape, and diamond type.
175
$1,028
$5,598
$4,114
$44,166
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
Save 79.3%IGI | 8.01ct | Heart | G | VS1 | Ideal
From $1,463
Compare at $7,079
Save 79.3%IGI | 8.31ct | Heart | G | VS1 | Ideal
From $1,496
Compare at $7,210
Save 76.7%IGI | 8.2ct | Heart | G | VS2 | Ideal
From $1,524
Compare at $6,550
Save 80%IGI | 8.01ct | Heart | E | VS2 | Very Good
From $1,561
Compare at $7,790
Save 80%IGI | 8.03ct | Heart | E | VS2 | Very Good
From $1,565
Compare at $7,810
Save 79.4%IGI | 8.04ct | Heart | G | VS2 | Very Good
From $1,567
Compare at $7,593
Save 74%IGI | 8.09ct | Heart | F | VS1 | Very Good
From $1,574
Compare at $6,046
IGI | 8.01ct | Heart | G | VS1 | Very Good
From $1,575
Compare at $7,634
Save 43%IGI | 8.02ct | Heart | FANCY | SI1 | Very Good
From $1,577
Compare at $2,766
Save 43%IGI | 8.04ct | Heart | FANCY | SI1 | Very Good
From $1,581
Compare at $2,773
Save 79.8%IGI | 8.02ct | Heart | G | VVS2 | Very Good
From $1,591
Compare at $7,870
IGI | 8.51ct | Heart | F | VS2 | Ideal
From $1,596
Compare at $7,380
Save 76.8%IGI | 8.62ct | Heart | G | VS2 | Ideal
From $1,600
Compare at $6,890
Save 76.8%IGI | 8.62ct | Heart | G | VS2 | Ideal
From $1,600
Compare at $6,890
Save 79.4%IGI | 8.01ct | Heart | E | VS2 | Ideal
From $1,601
Compare at $7,790
Save 79.8%IGI | 8.08ct | Heart | G | VVS2 | Very Good
From $1,603
Compare at $7,930
Save 79.4%IGI | 8.02ct | Heart | E | VS2 | Very Good
From $1,603
Compare at $7,800
Save 79.5%IGI | 8.04ct | Heart | E | VS2 | Excellent
From $1,607
Compare at $7,820
Save 79.2%IGI | 8.07ct | Heart | E | VS2 | Very Good
From $1,636
Compare at $7,860
Save 79.8%IGI | 8.07ct | Heart | F | VS1 | Very Good
From $1,650
Compare at $8,160
Save 78.8%IGI | 8.04ct | Heart | E | VS1 | Excellent
From $1,680
Compare at $7,941
Save 63.3%IGI | 8.05ct | Heart | E | VS1 | Very Good
From $1,680
Compare at $4,583
Save 71.8%IGI | 8.05ct | Heart | E | VS1 | Very Good
From $1,681
Compare at $5,963
IGI | 8.04ct | Heart | F | VS1 | Excellent
From $1,686
Compare at $8,130
Save 78.8%IGI | 8.08ct | Heart | E | VS1 | Very Good
From $1,688
Compare at $7,981
Save 79.3%IGI | 8.08ct | Heart | F | VS1 | Excellent
From $1,688
Compare at $8,170
Save 79.2%IGI | 8.02ct | Heart | F | VS1 | Very Good
From $1,690
Compare at $8,110
Save 79.2%IGI | 8.04ct | Heart | F | VS1 | Very Good
From $1,694
Compare at $8,130
Save 76.2%IGI | 8.24ct | Heart | G | VS1 | Ideal
From $1,701
Compare at $7,140
IGI | 8.01ct | Heart | F | VS1 | Ideal
From $1,701
Compare at $8,100
Save 79%IGI | 8.01ct | Heart | F | VS1 | Very Good
From $1,703
Compare at $8,100
Save 72.4%IGI | 8.05ct | Heart | E | VS1 | Excellent
From $1,705
Compare at $6,173
Save 72.4%IGI | 8.05ct | Heart | E | VS1 | Very Good
From $1,705
Compare at $6,173
IGI | 8.07ct | Heart | E | VS1 | Excellent
From $1,709
Compare at $6,188
Save 79%IGI | 8.05ct | Heart | F | VS1 | Very Good
From $1,710
Compare at $8,150
Save 79%IGI | 8.05ct | Heart | F | VS1 | Very Good
From $1,710
Compare at $8,140
Save 68.3%IGI | 8.01ct | Heart | E | VVS2 | Ideal
From $1,713
Compare at $5,404
Save 62.9%IGI | 8.01ct | Heart | F | VS1 | Very Good
From $1,715
Compare at $4,623
Save 62.9%IGI | 8.04ct | Heart | E | VS1 | Very Good
From $1,722
Compare at $4,640
Save 76.2%IGI | 8.35ct | Heart | G | VS1 | Ideal
From $1,724
Compare at $7,250
Save 78.2%IGI | 8.05ct | Heart | G | VVS2 | Very Good
From $1,726
Compare at $7,900
IGI | 8.07ct | Heart | E | VVS2 | Ideal
From $1,738
Compare at $7,342
Save 79.9%IGI | 8.57ct | Heart | F | VS1 | Very Good
From $1,742
Compare at $8,670
IGI | 8.09ct | Heart | E | VVS2 | Ideal
From $1,742
Compare at $7,360
Save 76.9%IGI | 8.72ct | Heart | G | VS1 | Ideal
From $1,747
Compare at $7,560
Save 69.6%IGI | 8.09ct | Heart | F | VS1 | Ideal
From $1,760
Compare at $5,783
Save 61.8%IGI | 8.06ct | Heart | E | VS1 | Very Good
From $1,763
Compare at $4,616
Save 58.9%IGI | 8.04ct | Heart | G | VVS2 | Ideal
From $1,765
Compare at $4,299
IGI | 8.02ct | Heart | E | VVS2 | Ideal
From $1,776
Compare at $4,666
Save 75.6%IGI | 8.01ct | Heart | E | VVS2 | Good
From $1,776
Compare at $7,287
Entry pricing in this benchmark range starts around $1,028.
What to Know When Shopping for 8 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $43,138 or more.
- 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.
- 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.
- 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- 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
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Tracking Lab Grown inventory for the 8.00–8.99 carat Heart diamond benchmark.