9 Carat Round Natural Diamond Prices Comparison
A 9 carat round natural diamond typically costs $237,184 (median of 39 listings at 9 online stores), with most between $118,918 and $580,664. Average prices rose 2.2% over the last month. Updated .
Average $279,132. Listings run from $11,795 to $1,064,677 in the 9.00–9.99 carat range.
See the live listings9 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 39 verified 9-carat round natural diamonds in the 9.00–9.99 carat benchmark range, listed across 9 online retailers. Prices in this segment range from $11,795 to $1,064,677, with an average asking price of $279,132 and a median of $237,184.
Across this category, asking prices span $1,052,882 (98.9% 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.
39 diamonds tracked in the 9.00–9.99 carat benchmark
Price range: $11,795 to $1,064,677
Average price: $279,132
Median price: $237,184
Available across 9 retailers
Category price spread: 98.9%
Price Range Overview
As of Oct 23, 2026Real market range for this carat, shape, and diamond type.
39
$11,795
$279,132
$237,184
$1,064,677
Price History
Price Comparison Matrix
Compare nearby
Prices for the next carat weights, other shapes and the lab grown twin.
Nearby carat weights
Same size, lab grown
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
GIA | 9.11ct | Round | I | SI2 | Very Good
From $88,759
Compare at $95,474
GIA | 9.08ct | Round | L | VS2 | Excellent
From $125,649
Compare at $127,238
Save 19%IGI | 9.05ct | Round | I | SI2 | Ideal
From $131,462
Compare at $162,378
Save 19%HRD | 9.03ct | Round | J | VS1 | Excellent
From $138,035
Compare at $170,496
Save 19%IGI | 9.29ct | Round | J | VS1 | Ideal
From $139,551
Compare at $172,369
Save 18.2%GIA | 9.02ct | Round | I | SI2 | Excellent
From $139,580
Compare at $170,659
GIA | 9.02ct | Round | J | SI2 | Excellent
From $141,235
Compare at $141,347
Save 19%GIA | 9.47ct | Round | J | SI2 | Excellent
From $144,828
Compare at $178,887
HRD | 9.01ct | Round | I | SI1 | Excellent
From $145,962
Compare at $157,585
IGI | 9.01ct | Round | I | SI1 | Excellent
From $145,962
Compare at $155,692
Save 19%GIA | 9.01ct | Round | K | SI2 | Excellent
From $147,638
Compare at $182,358
IGI | 9.02ct | Round | I | SI1 | Excellent
From $151,157
Compare at $161,237
Save 37.3%GIA | 9.32ct | Round | H | SI2 | Very Good
From $167,773
Compare at $267,368
GIA | 9.01ct | Round | L | IF | Excellent
From $168,878
Compare at $187,065
Save 19%GIA | 9.17ct | Round | J | SI2 | Excellent
From $183,794
Compare at $227,018
Save 26.4%GIA | 9.01ct | Round | I | VS2 | Excellent
From $196,294
Compare at $266,704
Save 14.2%IGI | 9.01ct | Round | J | VS1 | Excellent
From $197,793
Compare at $230,658
GIA | 9.53ct | Round | G | SI2 | Excellent
From $210,616
Compare at $222,937
Save 19.6%GIA | 9.08ct | Round | I | SI1 | Very Good
From $215,459
Compare at $267,944
GIA | 9.04ct | Round | E | SI2 | Ideal
From $226,086
Compare at $231,720
GIA | 9.56ct | Round | H | SI1 | Excellent
From $236,055
Compare at $236,289
Save 20.3%GIA | 9.06ct | Round | E | SI2 | Excellent
From $246,116
Compare at $308,942
Save 22%GIA | 9.76ct | Round | H | SI1 | Excellent
From $248,139
Compare at $318,127
HRD | 9.02ct | Round | H | VVS2 | Excellent
From $250,550
Compare at $260,066
Save 20.7%GIA | 9.05ct | Round | H | VVS2 | Excellent
From $253,820
Compare at $319,982
Save 12%GIA | 9.01ct | Round | G | VS1 | Excellent
From $288,792
Compare at $328,264
GIA | 9.02ct | Round | I | VS1 | Ideal
From $292,062
Compare at $323,203
IGI | 9.02ct | Round | G | VS1 | Excellent
From $292,067
Compare at $309,200
Save 20%GIA | 9.02ct | Round | F | VS2 | Ideal
From $300,391
Compare at $375,649
Save 19%GIA | 9.03ct | Round | I | VVS1 | Excellent
From $331,962
Compare at $410,032
GIA | 9.01ct | Round | H | VS1 | Excellent
From $364,628
Compare at $364,630
Save 16.9%GIA | 9.17ct | Round | D | SI2 | Excellent
From $389,732
Compare at $468,985
Save 16.2%GIA | 9.55ct | Round | G | VVS2 | Ideal
From $406,504
Compare at $484,836
Save 17.7%GIA | 9.01ct | Round | G | VVS1 | Ideal
From $495,837
Compare at $602,707
Save 22%GIA | 9.22ct | Round | F | VVS2 | Excellent
From $513,480
Compare at $658,308
Save 16.3%GIA | 9.1ct | Round | H | VVS1 | Excellent
From $543,131
Compare at $649,119
Save 17.7%GIA | 9.5ct | Round | D | FL | Excellent
From $849,995
Compare at $1,033,146
Save 17.7%GIA | 9.79ct | Round | D | FL | Ideal
From $875,939
Compare at $1,064,677
Save 14.3%GIA | 9.09ct | Round | D | FL | Ideal
From $894,530
Compare at $1,044,248
Entry pricing in this benchmark range starts around $11,795.
What to Know When Shopping for 9 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 $1,052,882 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 $237,184 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 39 comparable stones in the 9.00–9.99 carat benchmark range. Prices start around $11,795 and go up to $1,064,677.
Based on the latest market data, the average asking price is about $279,132 with a median around $237,184.
The observed spread is roughly $1,052,882 across tracked listings, which is about 98.9% from highest to lowest offer in the 9.00–9.99 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 $279,132. The median price is $237,184, 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 $1,052,882 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 9.00–9.99 carat Round diamond benchmark.