8 Carat Round Natural Diamond Prices Comparison
An 8 carat round natural diamond typically costs $170,578 (median of 80 listings at 9 online stores), with most between $110,849 and $429,365. Average prices fell 0.5% over the last month. Updated .
Average $205,024. Listings run from $10,313 to $885,689 in the 8.00–8.99 carat range.
See the live listings8 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 80 verified 8-carat round natural diamonds in the 8.00–8.99 carat benchmark range, listed across 9 online retailers. Prices in this segment range from $10,313 to $885,689, with an average asking price of $205,024 and a median of $170,578.
Across this category, asking prices span $875,376 (98.8% from the most expensive to the cheapest listing). The same certified diamond can also be listed at different prices by different retailers, which is why CaratRadar compares stones by certificate number.
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.
80 diamonds tracked in the 8.00–8.99 carat benchmark
Price range: $10,313 to $885,689
Average price: $205,024
Median price: $170,578
Available across 9 retailers
Category price spread: 98.8%
Price Range Overview
As of Oct 22, 2026Real market range for this carat, shape, and diamond type.
80
$10,313
$205,024
$170,578
$885,689
Price History
Price Comparison Matrix
Compare nearby
Prices for the next carat weights, other shapes and the lab grown twin.
Nearby carat weights
Other shapes at 8 carat
Same size, lab grown
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
Save 19.4%IGI | 8.51ct | Round | K | SI2 | Ideal
From $68,419
Compare at $84,936
Save 19.4%HRD | 8.55ct | Round | K | SI2 | Ideal
From $84,544
Compare at $104,953
IGI | 8.03ct | Round | K | VS1 | Excellent
From $85,590
Compare at $93,844
Save 19.4%IGI | 8.01ct | Round | L | VVS2 | Ideal
From $85,950
Compare at $106,700
Save 19.4%IGI | 8.03ct | Round | J | VS2 | Excellent
From $89,533
Compare at $111,146
Save 19.4%GIA | 8.12ct | Round | L | VVS2 | Excellent
From $94,487
Compare at $117,298
Save 21%GIA | 8.15ct | Round | K | IF | Ideal
From $95,150
Compare at $120,379
Save 21%GIA | 8.32ct | Round | K | VVS1 | Excellent
From $97,494
Compare at $123,342
Save 19.8%IGI | 8.12ct | Round | J | VVS1 | Excellent
From $98,691
Compare at $123,084
Save 16.8%GIA | 8.03ct | Round | K | SI2 | Excellent
From $100,300
Compare at $120,565
IGI | 8.03ct | Round | J | VS2 | Ideal
From $108,395
Compare at $117,908
IGI | 8.21ct | Round | J | VS1 | Excellent
From $111,074
Compare at $122,389
Save 19%IGI | 8.06ct | Round | I | SI1 | Excellent
From $112,605
Compare at $139,086
Save 19%GIA | 8.34ct | Round | J | SI1 | Very Good
From $115,248
Compare at $142,351
Save 19%IGI | 8.02ct | Round | I | SI1 | Excellent
From $116,521
Compare at $143,923
Save 16.1%GIA | 8.66ct | Round | J | SI1 | Ideal
From $120,553
Compare at $143,656
Save 19%IGI | 8.08ct | Round | J | VS1 | Excellent
From $121,398
Compare at $149,948
Save 18.2%GIA | 8.25ct | Round | J | SI1 | Ideal
From $122,820
Compare at $150,116
Save 22.4%GIA | 8.01ct | Round | J | SI2 | Excellent
From $126,879
Compare at $163,578
Save 19.5%GIA | 8.1ct | Round | J | SI2 | Excellent
From $126,988
Compare at $157,813
Save 19%IGI | 8.13ct | Round | J | VVS2 | Excellent
From $128,398
Compare at $158,593
Save 19%IGI | 8.01ct | Round | G | SI2 | Excellent
From $129,287
Compare at $159,690
Save 27.3%GIA | 8.14ct | Round | I | SI2 | Ideal
From $132,168
Compare at $181,905
Save 15.9%GIA | 8.19ct | Round | K | IF | Ideal
From $132,342
Compare at $157,329
Save 28.6%GIA | 8.13ct | Round | H | SI2 | Excellent
From $135,180
Compare at $189,327
GIA | 8.03ct | Round | J | VS2 | Excellent
From $135,581
Compare at $143,774
Save 12.6%GIA | 8.05ct | Round | J | VS2 | Ideal
From $137,958
Compare at $157,815
IGI | 8.47ct | Round | K | VVS2 | Ideal
From $139,080
Compare at $148,141
IGI | 8.11ct | Round | J | VS2 | Excellent
From $139,850
Compare at $182,984
Save 22.4%GIA | 8.11ct | Round | K | VS2 | Excellent
From $140,250
Compare at $180,809
Save 10.2%GIA | 8.01ct | Round | J | SI2 | Excellent
From $141,794
Compare at $157,974
Save 10.2%GIA | 8.02ct | Round | J | SI2 | Excellent
From $141,971
Compare at $158,171
HRD | 8.5ct | Round | I | SI1 | Excellent
From $142,453
Compare at $150,764
Save 22.4%GIA | 8.01ct | Round | I | SI2 | Excellent
From $145,538
Compare at $187,623
Save 20.1%GIA | 8.26ct | Round | J | SI2 | Excellent
From $146,539
Compare at $183,331
Save 22%GIA | 8.02ct | Round | I | SI1 | Excellent
From $147,789
Compare at $189,473
Save 12.6%GIA | 8.01ct | Round | J | VS2 | Ideal
From $149,484
Compare at $171,003
IGI | 8.02ct | Round | I | IF | Excellent
From $150,603
Compare at $159,560
Save 13.7%GIA | 8.1ct | Round | J | SI1 | Excellent
From $153,273
Compare at $177,675
Save 22.4%GIA | 8.27ct | Round | J | SI2 | Excellent
From $158,100
Compare at $203,813
Save 22.4%GIA | 8.44ct | Round | K | VS2 | Very Good
From $161,350
Compare at $208,001
GIA | 8.46ct | Round | K | SI1 | Excellent
From $164,596
Compare at $174,365
Save 22%GIA | 8.05ct | Round | I | SI1 | Excellent
From $165,295
Compare at $211,916
Save 22%GIA | 8.02ct | Round | H | SI2 | Excellent
From $177,346
Compare at $227,367
GIA | 8.37ct | Round | H | SI2 | Excellent
From $177,639
Compare at $186,670
IGI | 8.67ct | Round | I | VS1 | Ideal
From $177,868
Compare at $189,753
GIA | 8.52ct | Round | J | VS1 | Ideal
From $178,955
Compare at $188,339
Save 22%GIA | 8.03ct | Round | G | SI2 | Excellent
From $180,762
Compare at $231,746
HRD | 8.04ct | Round | H | VS1 | Excellent
From $186,787
Compare at $225,450
HRD | 8.02ct | Round | H | VS1 | Ideal
From $193,697
Compare at $205,043
Entry pricing in this benchmark range starts around $10,313.
What to Know When Shopping for 8 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers, because the same certificate can be listed at different prices by different stores. Across this whole category, asking prices span $875,376 from the cheapest to the most expensive listing.
- 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 $170,578 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- 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 80 comparable stones in the 8.00–8.99 carat benchmark range. Prices start around $10,313 and go up to $885,689.
Based on the latest market data, the average asking price is about $205,024 with a median around $170,578.
The observed spread is roughly $875,376 across tracked listings, which is about 98.8% 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 $205,024. The median price is $170,578, 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 9 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. Across this category, asking prices span $875,376 from the cheapest to the most expensive listing, and the same certified diamond can also carry different prices at different 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.
Tools and Guides
Tracking Natural inventory for the 8.00–8.99 carat Round diamond benchmark.