3 Carat Radiant Natural Diamond Prices Comparison
As of October 2026, 3 carat radiant natural diamonds in the 3.00–3.49 carat benchmark range usually range from $914 to $199,813, with an average price of $35,968.In the last month, prices for these diamonds are down 0.2%.Compare 660 verified listings across 11 retailers tracked by CaratRadar.
3 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 660 verified 3-carat radiant natural diamonds in the 3.00–3.49 carat benchmark range, listed across 11 online retailers. Prices in this segment range from $914 to $199,813, with an average asking price of $35,968 and a median of $35,176.
The price spread of $198,899 (99.5% 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 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.
660 diamonds tracked in the 3.00–3.49 carat benchmark
Price range: $914 to $199,813
Average price: $35,968
Median price: $35,176
Available across 11 retailers
Savings potential: up to 99.5%
Price Range Overview
As of Oct 12, 2026Real market range for this carat, shape, and diamond type.
660
$914
$35,968
$35,176
$199,813
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 20%GIA | 3.01ct | Radiant | FANCY | VS2
From $9,216
Compare at $11,520
Save 14.5%IGI | 3.02ct | Radiant | K | SI1 | Ideal
From $9,250
Compare at $10,822
Save 25.8%GIA | 3.01ct | Radiant | L | VS1 | Excellent
From $9,596
Compare at $12,929
GIA | 3.01ct | Radiant | L | SI2 | Ideal
From $9,761
Compare at $10,274
Save 20.8%GIA | 3.02ct | Radiant | L | VS2 | Excellent
From $9,984
Compare at $12,612
Save 14.6%IGI | 3ct | Radiant | K | VVS2 | Ideal
From $10,133
Compare at $11,870
GIA | 3ct | Radiant | L | SI1 | Very Good
From $10,892
Compare at $11,482
Save 12.6%GIA | 3.02ct | Radiant | L | SI1 | Excellent
From $10,944
Compare at $12,524
Save 13.9%IGI | 3.01ct | Radiant | K | VS2 | Ideal
From $11,265
Compare at $13,077
GIA | 3.01ct | Radiant | K | SI2 | Excellent
From $11,321
Compare at $12,111
GIA | 3.01ct | Radiant | L | SI1 | Very Good
From $12,202
Compare at $12,853
Save 12.6%GIA | 3.03ct | Radiant | K | SI1 | Ideal
From $12,340
Compare at $14,111
GIA | 3.01ct | Radiant | L | SI1 | Excellent
From $12,587
Compare at $13,736
GIA | 3.01ct | Radiant | K | SI2 | Very Good
From $12,739
Compare at $13,425
IGI | 3.01ct | Radiant | I | SI2 | Very Good
From $13,090
Compare at $13,780
HRD | 3.01ct | Radiant | K | VS1 | Ideal
From $13,368
Compare at $14,056
Save 13%GIA | 3.01ct | Radiant | L | SI1 | Excellent
From $13,504
Compare at $15,515
Save 25.9%GIA | 3.02ct | Radiant | K | SI2 | Very Good
From $13,568
Compare at $18,316
Save 22.2%GIA | 3.07ct | Radiant | L | SI1 | Excellent
From $13,593
Compare at $17,473
Save 18.3%EGL | 3.06ct | Radiant | H | SI1 | Ideal
From $13,906
Compare at $17,018
Save 12.7%GIA | 3.02ct | Radiant | L | SI1 | Excellent
From $14,155
Compare at $16,221
Save 27.7%GIA | 3.01ct | Radiant | L | SI2 | Very Good
From $14,171
Compare at $19,593
Save 20.2%GIA | 3.02ct | Radiant | L | VS2 | Excellent
From $14,268
Compare at $17,873
GIA | 3.01ct | Radiant | K | SI1 | Ideal
From $14,383
Compare at $14,385
Save 22.9%GIA | 3.05ct | Radiant | K | VS1 | Very Good
From $14,395
Compare at $18,679
Save 12.2%GIA | 3.01ct | Radiant | K | SI2 | Very Good
From $14,634
Compare at $16,677
GIA | 3.01ct | Radiant | K | SI2 | Excellent
From $14,883
Compare at $16,999
GIA | 3.01ct | Radiant | K | SI1 | Excellent
From $15,023
Compare at $15,140
Save 19%GIA | 3.02ct | Radiant | K | SI2 | Ideal
From $15,026
Compare at $18,561
Save 27.8%GIA | 3.02ct | Radiant | L | VS1 | Very Good
From $15,146
Compare at $20,966
Save 21.3%GIA | 3.03ct | Radiant | L | SI1 | Ideal
From $15,185
Compare at $19,297
GIA | 3.01ct | Radiant | J | SI2 | Ideal
From $15,796
Compare at $16,332
Save 10.4%GIA | 3.03ct | Radiant | J | SI2 | Excellent
From $15,900
Compare at $17,739
Save 13.1%IGI | 3.01ct | Radiant | J | SI1 | Very Good
From $16,036
Compare at $18,463
Save 19.1%GIA | 3.01ct | Radiant | K | VS1 | Very Good
From $16,207
Compare at $20,031
GIA | 3.01ct | Radiant | L | VS2 | Very Good
From $16,631
Compare at $17,503
GIA | 3.01ct | Radiant | K | VS1 | Excellent
From $16,814
Compare at $18,168
Save 13.2%IGI | 3ct | Radiant | J | VS1 | Very Good
From $16,873
Compare at $19,446
Save 19.1%GIA | 3.49ct | Radiant | L | VS2 | Ideal
From $17,024
Compare at $21,047
GIA | 3.01ct | Radiant | J | VS2 | Ideal
From $17,544
Compare at $19,267
Save 18.2%GIA | 3.01ct | Radiant | K | SI2 | Excellent
From $17,573
Compare at $21,495
GIA | 3.01ct | Radiant | K | VS1 | Excellent
From $17,609
Compare at $19,181
GIA | 3.01ct | Radiant | J | SI2 | Very Good
From $17,872
Compare at $18,268
GIA | 3.01ct | Radiant | L | VVS1 | Excellent
From $18,035
Compare at $18,667
GIA | 3.01ct | Radiant | K | VVS1 | Ideal
From $18,089
Compare at $18,460
Save 18.3%GIA | 3.36ct | Radiant | L | VVS2 | Ideal
From $18,224
Compare at $22,296
GIA | 3.01ct | Radiant | K | VS2 | Very Good
From $18,304
Compare at $18,305
Save 22%GIA | 3.01ct | Radiant | K | SI1 | Very Good
From $18,309
Compare at $23,477
Save 18.3%GIA | 3.01ct | Radiant | K | SI1 | Excellent
From $18,486
Compare at $22,618
Save 11.8%GIA | 3.03ct | Radiant | K | SI2 | Excellent
From $18,525
Compare at $20,995
Entry pricing in this benchmark range starts around $914.
What to Know When Shopping for 3 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $198,899 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 $35,176 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.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 660 comparable stones in the 3.00–3.49 carat benchmark range. Prices start around $914 and go up to $199,813.
Based on the latest market data, the average asking price is about $35,968 with a median around $35,176.
The observed spread is roughly $198,899 across tracked listings, which is about 99.5% from highest to lowest offer in the 3.00–3.49 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 $35,968. The median price is $35,176, 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 11 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 $198,899 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.
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Tracking Natural inventory for the 3.00–3.49 carat Radiant diamond benchmark.