3 Carat Natural Diamond Prices Comparison
As of May 2026, the average price of a 3 carat natural diamond is $39,175.3 carat diamonds can cost anywhere from $883 to $129,908 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are up 0.8%.Compare 4,704 verified listings across 10 retailers in the tables below.
3 Carat Natural Diamond Market Overview
CaratRadar currently tracks 4,704 verified 3-carat natural diamonds listed across 10 online retailers. Prices in this segment range from $883 to $129,908, with an average asking price of $39,175 and a median of $37,308.
The price spread of $129,026 (99.3% 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.
4,704 diamonds tracked in this segment
Price range: $883 to $129,908
Average price: $39,175
Median price: $37,308
Available across 10 retailers
Savings potential: up to 99.3%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
4,704
$883
$39,175
$37,308
$129,908
Price History
Price Comparison Matrix
3 Carat Natural Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 10.7%IGI | 3.02ct | Emerald | K | SI1 | Ideal
From $7,480
Compare at $8,374
GIA | 3.01ct | Cushion | K | SI1 | Very Good
From $9,005
Compare at $9,439
Save 10.5%IGI | 3.01ct | Asscher | J | VS2 | Ideal
From $9,165
Compare at $10,244
Save 10.7%IGI | 3.02ct | Princess | K | VS2 | Ideal
From $9,385
Compare at $10,507
Save 10.7%IGI | 3.01ct | Princess | K | IF | Very Good
From $9,470
Compare at $10,609
Save 13.6%IGI | 3.02ct | Oval | K | VS2 | Ideal
From $10,170
Compare at $11,766
GIA | 3.01ct | Emerald | K | SI2 | Very Good
From $10,263
Compare at $10,737
Save 19.8%IGI | 3.02ct | Oval | J | SI1 | Ideal
From $10,350
Compare at $12,901
Save 13.1%IGI | 3.09ct | Emerald | K | VVS1 | Ideal
From $10,585
Compare at $12,187
IGI | 3.01ct | Emerald | I | SI2 | Excellent
From $10,728
Compare at $11,920
GIA | 3.01ct | Cushion | J | VS2 | Ideal
From $10,819
Compare at $12,010
GIA | 3.02ct | Cushion | K | VVS2 | Very Good
From $10,985
Compare at $12,099
IGI | 3.03ct | Oval | K | SI1 | Ideal
From $11,020
Compare at $11,842
IGI | 3.01ct | Oval | I | SI2 | Ideal
From $11,098
Compare at $12,120
HRD | 3ct | Heart | H | SI2 | Ideal
From $11,099
Compare at $12,190
Save 15.5%IGI | 3.02ct | Oval | K | VS2 | Ideal
From $11,125
Compare at $13,171
Save 38.9%GIA | 3.01ct | Pear | L | SI2 | Excellent
From $11,169
Compare at $18,286
Save 11.4%IGI | 3.01ct | Emerald | J | SI1 | Ideal
From $11,390
Compare at $12,858
GIA | 3.01ct | Pear | L | SI2 | Very Good
From $11,393
Compare at $12,345
Save 20.3%IGI | 3.02ct | Oval | K | VS2 | Excellent
From $11,660
Compare at $14,629
GIA | 3.01ct | Emerald | K | SI2 | Very Good
From $11,764
Compare at $12,814
Save 21.3%GIA | 3.02ct | Round | L | SI2 | Ideal
From $11,857
Compare at $15,067
Save 15.1%IGI | 3.02ct | Emerald | K | IF | Ideal
From $11,955
Compare at $14,074
IGI | 3.01ct | Heart | H | SI2 | Ideal
From $12,015
Compare at $13,100
GIA | 3.01ct | Emerald | K | SI1 | Good
From $12,039
Compare at $12,057
Save 27.5%GIA | 3.03ct | Cushion | L | SI1 | Excellent
From $12,120
Compare at $16,707
Save 32.4%GIA | 3.02ct | Oval | L | VVS2 | Very Good
From $12,142
Compare at $17,967
Save 36%GIA | 3.02ct | Oval | K | VVS2 | Ideal
From $12,205
Compare at $19,070
IGI | 3.02ct | Asscher | I | VS2 | Ideal
From $12,240
Compare at $13,577
Save 28.1%GIA | 3ct | Round | L | SI2 | Very Good
From $12,287
Compare at $17,092
Save 12.4%IGI | 3.02ct | Round | K | SI1 | Excellent
From $12,320
Compare at $14,069
Save 16%IGI | 3ct | Emerald | K | IF | Very Good
From $12,365
Compare at $14,720
IGI | 3ct | Round | J | SI1 | Very Good
From $12,442
Compare at $13,252
Save 24.4%GIA | 3.02ct | Emerald | L | SI2 | Excellent
From $12,487
Compare at $16,514
Save 38.1%GIA | 3ct | Pear | L | SI2 | Ideal
From $12,512
Compare at $20,221
GIA | 3.03ct | Cushion | K | VS2 | Very Good
From $12,535
Compare at $13,289
IGI | 3.02ct | Princess | J | VVS2 | Ideal
From $12,550
Compare at $13,279
Save 15.6%IGI | 3.07ct | Pear | K | VS1 | Ideal
From $12,595
Compare at $14,920
Save 16%IGI | 3.02ct | Oval | J | VS2 | Ideal
From $12,650
Compare at $15,067
Save 12.4%IGI | 3ct | Round | K | VS2 | Excellent
From $12,695
Compare at $14,498
Save 16.6%IGI | 3ct | Emerald | H | SI1 | Ideal
From $12,695
Compare at $15,230
GIA | 3.03ct | Princess | K | VS2 | Very Good
From $12,777
Compare at $12,862
IGI | 3.02ct | Asscher | I | VS2 | Ideal
From $12,830
Compare at $14,259
Save 24.6%GIA | 3.02ct | Oval | L | SI1 | Excellent
From $12,844
Compare at $17,038
Save 34.2%GIA | 3.01ct | Asscher | K | VS2 | Very Good
From $12,900
Compare at $19,603
GIA | 3.01ct | Cushion | J | SI1 | Excellent
From $12,909
Compare at $13,080
Save 25%GIA | 3.02ct | Princess | L | VVS2 | Ideal
From $12,912
Compare at $17,215
HRD | 3.01ct | Heart | H | SI2 | Ideal
From $12,925
Compare at $14,280
GIA | 3.07ct | Radiant | L | SI1 | Excellent
From $13,032
Compare at $13,239
GIA | 3.03ct | Cushion | J | VS2 | Good
From $13,090
Compare at $13,745
Entry pricing in this category starts around $883.
What to Know When Shopping for 3 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $129,026 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 $37,308 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.
Frequently Asked Questions
We currently track 4,704 comparable stones in this segment. Prices start around $883 and go up to $129,908.
Based on the latest market data, the average asking price is about $39,175 with a median around $37,308.
The observed spread is roughly $129,026 across tracked listings, which is about 99.3% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $39,175. The median price is $37,308, 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 10 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 $129,026 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.
3 Carat Round Natural Diamond Prices
3 Carat Oval Natural Diamond Prices
3 Carat Cushion Natural Diamond Prices
3 Carat Emerald Natural Diamond Prices
3 Carat Radiant Natural Diamond Prices
3 Carat Pear Natural Diamond Prices
3 Carat Princess Natural Diamond Prices
3 Carat Heart Natural Diamond Prices
3 Carat Asscher Natural Diamond Prices
3 Carat Marquise Natural Diamond Prices
Tracking Natural inventory for 3 carat all-shape diamonds.