8.2 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 8.2 carat round lab grown diamonds usually range from $1,790 to $126,278, with an average price of $8,880.In the last month, prices for these diamonds are down 0.4%.Compare 61 verified listings across 7 retailers tracked by CaratRadar.
8.2 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 61 verified 8.2-carat round lab grown diamonds listed across 7 online retailers. Prices in this segment range from $1,790 to $126,278, with an average asking price of $8,880 and a median of $6,310.
The price spread of $124,488 (98.6% 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.
61 diamonds tracked in this segment
Price range: $1,790 to $126,278
Average price: $8,880
Median price: $6,310
Available across 7 retailers
Savings potential: up to 98.6%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
61
$1,790
$8,880
$6,310
$126,278
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 77.6%IGI | 8.2ct | Round | G | VS2 | Ideal
From $3,271
Compare at $14,600
Save 73.7%IGI | 8.2ct | Round | F | SI1 | Ideal
From $3,084
Compare at $11,720
Save 42%IGI | 8.2ct | Round | F | VS1 | Ideal
From $3,902
Compare at $6,722
Save 78.1%IGI | 8.2ct | Round | F | VS1 | Ideal
From $4,238
Compare at $19,370
IGI | 8.2ct | Round | D | VS2 | Excellent
From $5,882
Compare at $5,966
Save 76%IGI | 8.2ct | Round | E | VS1 | Ideal
From $5,091
Compare at $21,240
Save 80.4%IGI | 8.2ct | Round | E | VS1 | Excellent
From $4,146
Compare at $21,190
Save 79.5%IGI | 8.2ct | Round | E | VVS2 | Excellent
From $4,970
Compare at $24,300
IGI | 8.2ct | Round | F | VS2 | Excellent
From $4,183
Compare at $4,185
Save 48.3%IGI | 8.2ct | Round | F | VS1 | Excellent
From $3,012
Compare at $5,827
Save 78.4%IGI | 8.21ct | Round | G | VS1 | Ideal
From $3,694
Compare at $17,120
Save 77.6%IGI | 8.21ct | Round | G | VS2 | Ideal
From $3,275
Compare at $14,620
Save 77.8%IGI | 8.21ct | Round | E | VS1 | Ideal
From $6,125
Compare at $27,650
Save 79.5%IGI | 8.21ct | Round | E | VVS2 | Excellent
From $4,976
Compare at $24,330
Save 69.4%IGI | 8.21ct | Round | E | VVS1 | Excellent
From $14,718
Compare at $48,100
Save 73.6%IGI | 8.21ct | Round | E | VVS2 | Ideal
From $4,956
Compare at $18,800
Save 68.3%IGI | 8.21ct | Round | D | VS1 | Ideal
From $7,541
Compare at $23,760
Save 78.4%IGI | 8.22ct | Round | G | VS1 | Ideal
From $3,699
Compare at $17,140
Save 27.4%IGI | 8.22ct | Round | H | VS1 | Ideal
From $3,139
Compare at $4,325
Save 72.2%IGI | 8.22ct | Round | E | VVS2 | Ideal
From $4,035
Compare at $14,490
Save 22.1%GIA | 8.23ct | Round | E | VS2 | Ideal
From $20,040
Compare at $25,719
Save 45%IGI | 8.23ct | Round | H | VS2 | Ideal
From $3,281
Compare at $5,968
Save 77.6%IGI | 8.23ct | Round | G | VS2 | Ideal
From $3,283
Compare at $14,660
Save 15.6%IGI | 8.23ct | Round | E | VS1 | Excellent
From $3,151
Compare at $3,733
Save 80.4%IGI | 8.23ct | Round | E | VS1 | Excellent
From $4,161
Compare at $21,260
IGI | 8.23ct | Round | E | VVS2 | Excellent
From $4,178
Compare at $4,180
Save 80.2%IGI | 8.23ct | Round | F | VVS2 | Ideal
From $4,332
Compare at $21,890
Save 81%IGI | 8.23ct | Round | F | VVS2 | Excellent
From $4,161
Compare at $21,890
Save 86.1%IGI | 8.23ct | Round | E | VVS2 | Ideal
From $3,405
Compare at $24,440
Save 48.8%IGI | 8.23ct | Round | F | VVS2 | Excellent
From $2,758
Compare at $5,382
Save 76.3%IGI | 8.23ct | Round | E | VS2 | Ideal
From $4,508
Compare at $19,020
Save 82.2%IGI | 8.24ct | Round | E | VVS2 | Ideal
From $4,361
Compare at $24,470
Save 44.8%IGI | 8.24ct | Round | F | VS1 | Ideal
From $3,207
Compare at $5,809
Save 80.5%IGI | 8.24ct | Round | E | VS2 | Excellent
From $3,713
Compare at $19,040
Save 77.6%IGI | 8.25ct | Round | G | VS2 | Ideal
From $3,291
Compare at $14,690
Save 77.6%IGI | 8.25ct | Round | G | VS2 | Ideal
From $3,291
Compare at $14,690
Save 80.4%IGI | 8.25ct | Round | E | VS1 | Excellent
From $4,171
Compare at $21,320
Save 80.4%IGI | 8.25ct | Round | F | VS1 | Excellent
From $3,818
Compare at $19,430
IGI | 8.25ct | Round | F | VVS2 | Excellent
From $3,926
Compare at $3,930
Save 77.6%IGI | 8.26ct | Round | G | VS2 | Ideal
From $3,295
Compare at $14,710
Save 77.6%IGI | 8.26ct | Round | G | VS2 | Ideal
From $3,295
Compare at $14,710
Save 81%IGI | 8.26ct | Round | F | VVS2 | Excellent
From $4,176
Compare at $21,970
Save 86%IGI | 8.26ct | Round | E | VS2 | Ideal
From $2,695
Compare at $19,210
Save 35.9%IGI | 8.26ct | Round | D | VS1 | Excellent
From $9,019
Compare at $14,060
Save 62.1%IGI | 8.27ct | Round | F | VS1 | Ideal
From $7,443
Compare at $19,630
Save 57.4%GIA | 8.28ct | Round | E | VS2 | Ideal
From $11,032
Compare at $25,875
Save 87.4%GIA | 8.28ct | Round | D | VVS2 | Excellent
From $11,020
Compare at $87,630
Save 77.6%IGI | 8.28ct | Round | G | VS2 | Ideal
From $3,303
Compare at $14,750
Save 77.6%IGI | 8.28ct | Round | G | VS2 | Ideal
From $3,303
Compare at $14,750
Save 79.7%IGI | 8.28ct | Round | E | VS1 | Ideal
From $4,355
Compare at $21,440
Entry pricing in this category starts around $1,790.
What to Know When Shopping for 8.2 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $124,488 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 $6,310 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.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 61 comparable stones in this segment. Prices start around $1,790 and go up to $126,278.
Based on the latest market data, the average asking price is about $8,880 with a median around $6,310.
The observed spread is roughly $124,488 across tracked listings, which is about 98.6% 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 $6,310, 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 7 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 $124,488 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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