1 Carat Round Natural Diamond Prices Comparison
As of April 2026, 1 carat round natural diamonds usually range from $450 to $13,367, with an average price of $4,151.In the last month, prices for these diamonds are down 1.2%.Compare 20,624 verified listings across 8 retailers tracked by CaratRadar.
1 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 20,624 verified 1-carat round natural diamonds listed across 8 online retailers. Prices in this segment range from $450 to $13,367, with an average asking price of $4,151 and a median of $3,766.
The price spread of $12,917 (96.6% 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.
20,624 diamonds tracked in this segment
Price range: $450 to $13,367
Average price: $4,151
Median price: $3,766
Available across 8 retailers
Savings potential: up to 96.6%
Price Range Overview
As of Apr 13, 2026Real market range for this carat, shape, and diamond type.
20,624
$450
$4,151
$3,766
$13,367
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA | 1ct | Round | G | SI1 | Good
From $2,874
Compare at $3,185
GIA | 1ct | Round | E | VS2 | Good
From $3,832
Compare at $4,130
Save 25.5%GIA | 1ct | Round | F | VS2 | Excellent
From $4,020
Compare at $5,399
Save 12.1%GIA | 1ct | Round | J | SI2 | Very Good
From $1,967
Compare at $2,237
GIA | 1ct | Round | D | VVS1 | Good
From $9,013
Compare at $9,341
GIA | 1ct | Round | F | VS2 | Very Good
From $4,020
Compare at $4,330
Save 13.6%GIA | 1ct | Round | E | VS2 | Excellent
From $9,477
Compare at $10,973
Save 11.7%GIA | 1ct | Round | F | VVS1 | Ideal
From $6,324
Compare at $7,160
GIA | 1ct | Round | G | VS1 | Good
From $4,662
Compare at $4,665
Save 12.1%GIA | 1ct | Round | L | VVS1 | Ideal
From $2,416
Compare at $2,748
Save 18.1%GIA | 1ct | Round | E | VVS2 | Good
From $5,770
Compare at $7,048
GIA | 1ct | Round | F | VS1 | Good
From $4,250
Save 11.3%GIA | 1ct | Round | I | SI1 | Ideal
From $2,247
Compare at $2,533
GIA | 1ct | Round | D | VVS1 | Good
From $7,861
Compare at $8,515
GIA | 1ct | Round | G | VS1 | Good
From $3,713
Compare at $3,715
Save 22.5%GIA | 1ct | Round | H | VVS2 | Excellent
From $3,411
Compare at $4,400
Save 15.8%GIA | 1ct | Round | E | VS2 | Ideal
From $3,915
Compare at $4,649
Save 15.4%GIA | 1ct | Round | E | VVS1 | Ideal
From $6,616
Compare at $7,820
Save 22.5%GIA | 1ct | Round | I | VS1 | Excellent
From $3,081
Compare at $3,975
GIA | 1ct | Round | J | VVS2 | Excellent
From $2,268
Compare at $2,482
GIA | 1ct | Round | L | VS2 | Good
From $1,215
Compare at $1,266
GIA | 1ct | Round | J | VS2 | Ideal
From $2,360
Compare at $2,582
GIA | 1ct | Round | K | VVS2 | Very Good
From $2,800
GIA | 1ct | Round | G | VVS2 | Very Good
From $4,104
Compare at $4,105
GIA | 1ct | Round | H | VS2 | Excellent
From $3,007
Compare at $3,105
GIA | 1ct | Round | H | SI1 | Very Good
From $2,433
Compare at $2,435
GIA | 1ct | Round | F | VVS2 | Excellent
From $4,823
Compare at $5,040
GIA | 1ct | Round | J | VS1 | Very Good
From $2,171
Compare at $2,175
Save 35.4%GIA | 1ct | Round | D | VS1 | Ideal
From $5,445
Compare at $8,428
Save 33.7%GIA | 1ct | Round | H | SI1 | Ideal
From $2,583
Compare at $3,894
Save 35.4%GIA | 1ct | Round | G | VVS2 | Ideal
From $4,430
Compare at $6,856
Save 13.5%GIA | 1ct | Round | H | VVS2 | Very Good
From $2,815
Compare at $3,255
Save 34.8%GIA | 1ct | Round | D | VS2 | Very Good
From $3,939
Compare at $6,042
GIA | 1ct | Round | E | SI2 | Ideal
From $2,361
Compare at $2,412
Save 35.4%GIA | 1ct | Round | F | VS2 | Ideal
From $4,183
Compare at $6,473
GIA | 1ct | Round | G | VVS2 | Ideal
From $4,560
Compare at $4,829
Save 33.6%GIA | 1ct | Round | G | SI1 | Ideal
From $2,730
Compare at $4,114
Save 33.1%GIA | 1ct | Round | K | VS2 | Ideal
From $1,807
Compare at $2,700
Save 35.4%GIA | 1ct | Round | D | VS1 | Ideal
From $4,762
Compare at $7,369
GIA | 1ct | Round | D | SI1 | Ideal
From $3,870
Compare at $4,010
Save 35.7%GIA | 1ct | Round | F | VS2 | Ideal
From $4,417
Compare at $6,870
Save 34.7%GIA | 1ct | Round | G | VS1 | Ideal
From $4,239
Compare at $6,496
Save 34.2%GIA | 1ct | Round | D | SI1 | Ideal
From $3,040
Compare at $4,622
Save 33.1%GIA | 1ct | Round | D | SI2 | Ideal
From $2,095
Compare at $3,130
GIA | 1ct | Round | D | VVS1 | Ideal
From $8,480
Compare at $9,075
Save 33.8%GIA | 1ct | Round | J | VVS2 | Ideal
From $2,574
Compare at $3,890
Save 34.8%GIA | 1ct | Round | F | VS2 | Ideal
From $3,596
Compare at $5,516
Save 35.4%GIA | 1ct | Round | F | VVS1 | Ideal
From $6,665
Compare at $10,315
Save 35.4%GIA | 1ct | Round | D | VS2 | Ideal
From $4,911
Compare at $7,600
Save 35.6%GIA | 1ct | Round | I | VS2 | Ideal
From $2,812
Compare at $4,368
Entry pricing in this category starts around $450.
What to Know When Shopping for 1 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $12,917 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 $3,766 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 20,624 comparable stones in this segment. Prices start around $450 and go up to $13,367.
Based on the latest market data, the average asking price is about $4,151 with a median around $3,766.
The observed spread is roughly $12,917 across tracked listings, which is about 96.6% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $3,766, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 8 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 $12,917 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.
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Tracking Natural inventory for 1 carat Round diamonds.