2.8 Carat Lab Grown Diamond Prices Comparison
As of May 2026, the average price of a 2.8 carat lab grown diamond is $2,647.2.8 carat diamonds can cost anywhere from $357 to $14,150 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 6.1%.Compare 5,067 verified listings across 14 retailers in the tables below.
2.8 Carat Lab Grown Diamond Market Overview
CaratRadar currently tracks 5,067 verified 2.8-carat lab grown diamonds listed across 14 online retailers. Prices in this segment range from $357 to $14,150, with an average asking price of $2,647 and a median of $1,907.
The price spread of $13,793 (97.5% 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.
5,067 diamonds tracked in this segment
Price range: $357 to $14,150
Average price: $2,647
Median price: $1,907
Available across 14 retailers
Savings potential: up to 97.5%
Price Range Overview
As of May 28, 2026Real market range for this carat, shape, and diamond type.
5,067
$357
$2,647
$1,907
$14,150
Price History
Price Comparison Matrix
2.8 Carat Lab Grown Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 41.9%IGI | 2.87ct | Radiant | G | VS1 | Very Good
From $411
Compare at $707
Save 42.7%IGI | 2.86ct | Cushion | G | VS1 | Excellent
From $461
Compare at $805
Save 41.8%IGI | 2.86ct | Cushion | H | VS1 | Very Good
From $468
Compare at $804
Save 80%IGI | 2.83ct | Radiant | E | VS1 | Excellent
From $469
Compare at $2,345
Save 80%IGI | 2.84ct | Radiant | E | VS1 | Very Good
From $471
Compare at $2,355
Save 61.6%IGI | 2.89ct | Round | H | VS1 | Ideal
From $476
Compare at $1,240
Save 42.7%IGI | 2.87ct | Cushion | G | VS1 | Excellent
From $476
Compare at $830
Save 61.8%IGI | 2.8ct | Round | G | VS1 | Excellent
From $477
Compare at $1,249
Save 43%IGI | 2.89ct | Cushion | G | VS1 | Very Good
From $479
Compare at $840
Save 67.3%IGI | 2.81ct | Radiant | F | VS1 | Very Good
From $483
Compare at $1,475
Save 62.3%IGI | 2.84ct | Round | G | VS1 | Excellent
From $484
Compare at $1,283
Save 66.4%IGI | 2.81ct | Round | F | VS1 | Excellent
From $491
Compare at $1,462
Save 36.7%IGI | 2.85ct | Emerald | I | VS1 | Very Good
From $493
Compare at $779
Save 68%IGI | 2.88ct | Radiant | F | VS1 | Ideal
From $495
Compare at $1,545
IGI | 2.8ct | Princess | H | VS1 | Ideal
From $500
Save 70%IGI | 2.81ct | Cushion | H | VVS2 | Ideal
From $502
Compare at $1,674
Save 61.4%IGI | 2.82ct | Oval | G | VS1 | Very Good
From $502
Compare at $1,301
Save 66.5%IGI | 2.81ct | Round | G | VVS2 | Excellent
From $505
Compare at $1,507
Save 66.5%IGI | 2.81ct | Round | G | VVS2 | Excellent
From $505
Compare at $1,507
Save 67.9%IGI | 2.8ct | Round | F | VVS2 | Ideal
From $506
Compare at $1,578
Save 61.7%IGI | 2.85ct | Oval | G | VS1 | Very Good
From $507
Compare at $1,324
Save 68.7%IGI | 2.89ct | Emerald | E | VS1 | Very Good
From $516
Compare at $1,649
Save 77.5%IGI | 2.8ct | Round | E | VS1 | Excellent
From $522
Compare at $2,320
Save 65.7%IGI | 2.84ct | Marquise | F | VS1 | Excellent
From $522
Compare at $1,521
Save 68.8%IGI | 2.86ct | Emerald | F | VVS2 | Excellent
From $524
Compare at $1,679
Save 64.6%IGI | 2.8ct | Oval | F | VS1 | Very Good
From $525
Compare at $1,483
Save 43.1%IGI | 2.88ct | Cushion | F | VS1 | Very Good
From $526
Compare at $925
Save 77.5%IGI | 2.84ct | Round | E | VS1 | Excellent
From $529
Compare at $2,355
Save 78.3%IGI | 2.86ct | Round | E | VS1 | Ideal
From $533
Compare at $2,455
Save 66.1%IGI | 2.81ct | Round | E | VS1 | Excellent
From $533
Compare at $1,570
Save 71.4%IGI | 2.83ct | Round | F | VS1 | Ideal
From $533
Compare at $1,866
Save 71.4%IGI | 2.8ct | Cushion | F | VS2 | Very Good
From $534
Compare at $1,868
Save 61.5%IGI | 2.83ct | Pear | E | SI1 | Excellent
From $535
Compare at $1,388
Save 65.7%IGI | 2.81ct | Round | E | VS1 | Ideal
From $535
Compare at $1,561
Save 70%IGI | 2.81ct | Pear | H | VVS2 | Excellent
From $535
Compare at $1,785
IGI | 2.88ct | Round | E | VS1 | Ideal
From $536
Compare at $2,475
Save 78.4%IGI | 2.89ct | Round | E | VS1 | Ideal
From $538
Compare at $2,485
Save 70%IGI | 2.83ct | Pear | G | VVS2 | Excellent
From $539
Compare at $1,798
Save 43%IGI | 2.89ct | Cushion | F | VS2 | Very Good
From $540
Compare at $948
Save 26%IGI | 2.87ct | Emerald | G | VVS2 | Ideal
From $540
Compare at $729
Save 62.7%IGI | 2.81ct | Pear | F | VS2 | Ideal
From $541
Compare at $1,449
Save 74.8%IGI | 2.84ct | Radiant | F | VS2 | Ideal
From $542
Compare at $2,155
Save 59.9%IGI | 2.83ct | Round | E | SI1 | Ideal
From $545
Compare at $1,359
Save 70%IGI | 2.86ct | Pear | G | VVS2 | Excellent
From $545
Compare at $1,817
Save 78.5%IGI | 2.86ct | Emerald | G | VS1 | Ideal
From $545
Compare at $2,540
Save 78.8%IGI | 2.81ct | Oval | G | VS2 | Ideal
From $545
Compare at $2,570
Save 66.4%IGI | 2.86ct | Radiant | E | VS1 | Good
From $546
Compare at $1,624
Save 64.1%IGI | 2.84ct | Cushion | F | VS1 | Very Good
From $548
Compare at $1,527
Save 66.7%IGI | 2.88ct | Radiant | E | VS1 | Very Good
From $548
Compare at $1,646
Save 66.8%IGI | 2.83ct | Oval | F | VVS2 | Very Good
From $550
Compare at $1,658
Entry pricing in this category starts around $357.
What to Know When Shopping for 2.8 Carat Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $13,793 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 $1,907 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.
Frequently Asked Questions
We currently track 5,067 comparable stones in this segment. Prices start around $357 and go up to $14,150.
Based on the latest market data, the average asking price is about $2,647 with a median around $1,907.
The observed spread is roughly $13,793 across tracked listings, which is about 97.5% 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 $2,647. The median price is $1,907, 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 14 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 $13,793 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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