8 Carat Round Natural Diamond Prices Comparison
As of October 2026, 8 carat round natural diamonds in the 8.00–8.99 carat benchmark range usually range from $10,313 to $885,689, with an average price of $203,091.In the last month, prices for these diamonds are down 0.7%.Compare 79 verified listings across 9 retailers tracked by CaratRadar.
8 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 79 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 $203,091 and a median of $170,739.
The price spread of $875,376 (98.8% 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.
79 diamonds tracked in the 8.00–8.99 carat benchmark
Price range: $10,313 to $885,689
Average price: $203,091
Median price: $170,739
Available across 9 retailers
Savings potential: up to 98.8%
Price Range Overview
As of Oct 13, 2026Real market range for this carat, shape, and diamond type.
79
$10,313
$203,091
$170,739
$885,689
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 11.8%GIA | 8.01ct | Round | L | VS2 | Ideal
From $77,492
Compare at $87,872
IGI | 8.03ct | Round | K | VS1 | Excellent
From $85,590
Compare at $93,843
Save 11.6%IGI | 8.01ct | Round | L | VVS2 | Ideal
From $85,950
Compare at $97,199
IGI | 8.03ct | Round | J | VS2 | Excellent
From $89,533
Compare at $98,172
IGI | 8.05ct | Round | J | SI1 | Excellent
From $93,016
Compare at $101,996
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
IGI | 8.12ct | Round | J | VVS1 | Excellent
From $98,691
Compare at $108,730
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 $101,248
Compare at $111,550
IGI | 8.21ct | Round | J | VS1 | Excellent
From $111,074
Compare at $122,389
IGI | 8.06ct | Round | I | SI1 | Excellent
From $112,605
Compare at $122,883
Save 13.7%GIA | 8.34ct | Round | J | SI1 | Very Good
From $115,248
Compare at $133,564
IGI | 8.02ct | Round | I | SI1 | Excellent
From $116,521
Compare at $127,165
IGI | 8.08ct | Round | J | VS1 | Excellent
From $121,398
Compare at $132,490
Save 16.1%GIA | 8.66ct | Round | J | SI1 | Ideal
From $121,865
Compare at $145,219
Save 18.2%GIA | 8.25ct | Round | J | SI1 | Ideal
From $122,820
Compare at $150,116
Save 15.9%GIA | 8.19ct | Round | K | IF | Ideal
From $126,234
Compare at $150,178
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
IGI | 8.13ct | Round | J | VVS2 | Excellent
From $128,398
Compare at $136,945
IGI | 8.9ct | Round | J | SI1 | Excellent
From $129,287
Compare at $139,212
Save 19%IGI | 8.01ct | Round | G | SI2 | Excellent
From $129,287
Compare at $159,690
IGI | 8.47ct | Round | K | VVS2 | Ideal
From $131,239
Compare at $139,975
Save 27.3%GIA | 8.14ct | Round | I | SI2 | Ideal
From $132,168
Compare at $181,905
GIA | 8.03ct | Round | J | VS2 | Excellent
From $135,581
Compare at $148,063
Save 12.6%GIA | 8.05ct | Round | J | VS2 | Ideal
From $138,324
Compare at $158,234
IGI | 8.11ct | Round | J | VS2 | Excellent
From $139,850
Compare at $182,983
Save 22.4%GIA | 8.11ct | Round | K | VS2 | Excellent
From $140,250
Compare at $180,808
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
Save 19%HRD | 8.5ct | Round | I | SI1 | Excellent
From $142,453
Compare at $175,954
GIA | 8.61ct | Round | L | VVS1 | Excellent
From $144,614
Compare at $151,853
Save 22.4%GIA | 8.01ct | Round | I | SI2 | Excellent
From $145,538
Compare at $187,623
Save 11.4%IGI | 8.72ct | Round | I | SI1 | Excellent
From $146,135
Compare at $164,975
Save 14.8%GIA | 8.26ct | Round | J | SI2 | Excellent
From $146,539
Compare at $172,051
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
Save 20.4%IGI | 8.02ct | Round | I | IF | Excellent
From $150,603
Compare at $189,145
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
GIA | 8.17ct | Round | K | VVS2 | Excellent
From $170,283
Compare at $172,097
Save 22%GIA | 8.02ct | Round | H | SI2 | Excellent
From $177,346
Compare at $227,367
Save 13.7%GIA | 8.37ct | Round | H | SI2 | Excellent
From $177,639
Compare at $205,940
IGI | 8.67ct | Round | I | VS1 | Ideal
From $177,868
Compare at $189,753
Save 16.1%GIA | 8.52ct | Round | J | VS1 | Ideal
From $179,787
Compare at $214,257
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. Identical certificate numbers can have price differences of $875,376 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 $170,739 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 79 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 $203,091 with a median around $170,739.
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 $203,091. The median price is $170,739, 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. The exact certified diamond can differ by $875,376 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
Explore adjacent carat ranges and shapes to compare market shifts.
Tracking Natural inventory for the 8.00–8.99 carat Round diamond benchmark.