8.1 Carat Heart Lab Grown Diamond Prices Comparison
As of March 2026, 8.1 carat heart lab grown diamonds usually range from $1,887 to $655,486, with an average price of $22,853.In the last month, prices for these diamonds are up 50.1%.Compare 35 verified listings across 5 retailers tracked by CaratRadar.
8.1 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 35 verified 8.1-carat heart lab grown diamonds listed across 5 online retailers. Prices in this segment range from $1,887 to $655,486, with an average asking price of $22,853 and a median of $3,401.
The price spread of $653,599 (99.7% 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 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.
35 diamonds tracked in this segment
Price range: $1,887 to $655,486
Average price: $22,853
Median price: $3,401
Available across 5 retailers
Savings potential: up to 99.7%
Price Range Overview
As of Mar 1, 2026Real market range for this carat, shape, and diamond type.
35
$1,887
$22,853
$3,401
$655,486
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 79.1%8.06ct | Heart | E | VVS1 | Excellent
From $4,756
Compare at $22,720
IGISave 66.8%8.06ct | Heart | I | VVS2 | Excellent
From $3,461
Compare at $10,410
IGISave 85%8.06ct | Heart | D | VS1 | Ideal
From $3,106
Compare at $20,670
IGISave 79.8%8.06ct | Heart | F | VS2 | Ideal
From $1,887
Compare at $9,340
IGISave 76.5%8.06ct | Heart | E | VS2 | Very Good
From $2,737
Compare at $11,630
IGISave 75.8%8.07ct | Heart | E | VS2 | Very Good
From $5,332
Compare at $22,010
IGISave 62.8%8.07ct | Heart | E | VS1 | Excellent
From $4,172
Compare at $11,225
IGISave 84.9%8.07ct | Heart | D | VS1 | Ideal
From $3,121
Compare at $20,690
IGISave 85.7%8.07ct | Heart | D | VVS2 | Ideal
From $3,401
Compare at $23,840
IGI8.07ct | Heart | D | VS1 | Very Good
From $655,486
Compare at $687,728
IGISave 65.4%8.07ct | Heart | I | VS1 | Excellent
From $3,378
Compare at $9,770
IGISave 17.8%8.07ct | Heart | F | VS1 | Excellent
From $2,364
Compare at $2,877
IGISave 80.3%8.07ct | Heart | F | VS1 | Very Good
From $6,111
Compare at $31,085
IGISave 85.5%8.07ct | Heart | F | VVS2 | Ideal
From $2,648
Compare at $18,230
IGISave 75%8.07ct | Heart | G | VVS1 | Ideal
From $4,465
Compare at $17,870
IGISave 85.8%8.08ct | Heart | E | VVS2 | Ideal
From $2,603
Compare at $18,290
IGISave 86.6%8.08ct | Heart | G | VS2 | Ideal
From $2,293
Compare at $17,120
IGISave 77.1%8.08ct | Heart | E | VVS1 | Excellent
From $5,218
Compare at $22,770
IGISave 86.3%8.08ct | Heart | E | VVS2 | Ideal
From $2,603
Compare at $19,030
IGISave 85%8.08ct | Heart | D | VS1 | Ideal
From $3,106
Compare at $20,720
IGISave 62.8%8.09ct | Heart | F | VS1 | Very Good
From $3,219
Compare at $8,647
IGISave 83.6%8.09ct | Heart | F | VS1 | Excellent
From $3,949
Compare at $24,010
IGISave 68.6%8.09ct | Heart | F | VVS1 | Ideal
From $6,499
Compare at $20,700
IGISave 43.2%8.09ct | Heart | E | VS1 | Very Good
From $6,201
Compare at $10,924
IGISave 85.5%8.09ct | Heart | F | VVS2 | Ideal
From $2,654
Compare at $18,270
IGISave 62.3%8.09ct | Heart | F | VVS2 | Very Good
From $2,611
Compare at $6,919
IGISave 83.6%8.09ct | Heart | F | VVS2 | Ideal
From $2,505
Compare at $15,300
IGISave 83.8%8.09ct | Heart | E | VS2 | Very Good
From $1,988
Compare at $12,260
IGISave 40.6%8.1ct | Heart | F | VS2 | Ideal
From $8,480
Compare at $14,280
IGISave 65.2%8.1ct | Heart | F | VS1 | Excellent
From $2,535
Compare at $7,290
IGISave 38.8%8.1ct | Heart | E | VVS2 | Ideal
From $12,281
Compare at $20,080
IGISave 87.1%8.11ct | Heart | E | VS1 | Excellent
From $4,358
Compare at $33,740
IGISave 61%8.12ct | Heart | D | VS1 | Very Good
From $4,133
Compare at $10,599
IGISave 74.6%8.15ct | Heart | E | VVS2 | Ideal
From $7,575
Compare at $29,800
IGISave 77.9%8.15ct | Heart | E | VVS1 | Ideal
From $8,623
Compare at $39,031
Entry pricing in this category starts around $1,887.
What to Know When Shopping for 8.1 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $653,599 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 $3,401 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 35 comparable stones in this segment. Prices start around $1,887 and go up to $655,486.
Based on the latest market data, the average asking price is about $22,853 with a median around $3,401.
The observed spread is roughly $653,599 across tracked listings, which is about 99.7% 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 $3,401, 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 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 $653,599 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.
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