2.5 Carat Round Natural Diamond Prices Comparison
As of April 2026, 2.5 carat round natural diamonds usually range from $716 to $75,544, with an average price of $27,828.In the last month, prices for these diamonds are down 0.7%.Compare 1,325 verified listings across 7 retailers tracked by CaratRadar.
2.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 1,325 verified 2.5-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $716 to $75,544, with an average asking price of $27,828 and a median of $26,414.
The price spread of $74,828 (99.1% 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.
1,325 diamonds tracked in this segment
Price range: $716 to $75,544
Average price: $27,828
Median price: $26,414
Available across 7 retailers
Savings potential: up to 99.1%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
1,325
$716
$27,828
$26,414
$75,544
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 16.2%GIA | 2.5ct | Round | D | VS2 | Excellent
From $37,990
Compare at $45,350
Save 14.6%GIA | 2.5ct | Round | F | VS2 | Excellent
From $34,500
Compare at $40,394
GIA | 2.5ct | Round | H | SI1 | Excellent
From $26,581
Compare at $29,250
Save 20.1%GIA | 2.5ct | Round | J | SI2 | Excellent
From $14,304
Compare at $17,901
Save 37.1%GIA | 2.5ct | Round | I | SI1 | Ideal
From $20,136
Compare at $32,020
Save 16.2%GIA | 2.5ct | Round | D | VS1 | Excellent
From $30,952
Compare at $36,924
Save 14.6%GIA | 2.5ct | Round | G | VVS2 | Ideal
From $33,206
Compare at $38,882
Save 14.7%GIA | 2.5ct | Round | D | VVS1 | Excellent
From $55,517
Compare at $65,051
Save 15.2%GIA | 2.5ct | Round | H | VS2 | Excellent
From $24,765
Compare at $29,190
Save 29.3%GIA | 2.5ct | Round | D | VS1 | Very Good
From $41,406
Compare at $58,596
Save 17%GIA | 2.5ct | Round | J | VVS2 | Excellent
From $21,878
Compare at $26,361
Save 16.3%GIA | 2.5ct | Round | L | VVS2 | Excellent
From $12,156
Compare at $14,518
Save 11.7%GIA | 2.5ct | Round | I | VS2 | Very Good
From $22,186
Compare at $25,137
GIA | 2.5ct | Round | I | VS1 | Excellent
From $28,250
Compare at $32,426
Save 17%GIA | 2.5ct | Round | I | SI1 | Excellent
From $21,847
Compare at $26,322
Save 16.6%GIA | 2.5ct | Round | G | VS1 | Excellent
From $39,561
Compare at $47,451
Save 16.7%GIA | 2.5ct | Round | G | VVS2 | Excellent
From $44,311
Compare at $53,163
Save 16.7%GIA | 2.5ct | Round | D | VVS1 | Excellent
From $49,281
Compare at $59,141
Save 16.2%GIA | 2.5ct | Round | H | VS1 | Excellent
From $31,007
Compare at $36,991
GIA | 2.5ct | Round | I | SI2 | Excellent
From $24,960
Compare at $27,987
Save 19%GIA | 2.5ct | Round | J | SI2 | Excellent
From $15,021
Compare at $18,534
Save 14.1%GIA | 2.5ct | Round | E | IF | Excellent
From $51,810
Compare at $60,285
Save 17.9%GIA | 2.5ct | Round | L | VVS2 | Ideal
From $10,918
Compare at $13,300
Save 16.2%GIA | 2.5ct | Round | E | VS1 | Excellent
From $35,365
Compare at $42,208
Save 14.1%GIA | 2.5ct | Round | F | VVS1 | Excellent
From $46,999
Compare at $54,687
Save 20.1%GIA | 2.5ct | Round | J | SI2 | Excellent
From $14,668
Compare at $18,360
Save 17%GIA | 2.5ct | Round | I | VS1 | Excellent
From $21,219
Compare at $25,562
GIA | 2.5ct | Round | E | VVS2 | Excellent
From $45,853
Compare at $47,681
Save 16.2%GIA | 2.5ct | Round | G | VS1 | Excellent
From $35,534
Compare at $42,410
Save 24.7%GIA | 2.5ct | Round | D | SI1 | Excellent
From $29,258
Compare at $38,865
GIA | 2.5ct | Round | E | VVS2 | Excellent
From $42,280
Compare at $45,938
Save 24.8%GIA | 2.5ct | Round | G | VS1 | Excellent
From $31,534
Compare at $41,906
GIA | 2.5ct | Round | G | SI1 | Excellent
From $25,510
Compare at $27,479
Save 17%GIA | 2.5ct | Round | D | SI2 | Excellent
From $22,056
Compare at $26,575
Save 21.8%GIA | 2.5ct | Round | L | SI2 | Excellent
From $8,894
Compare at $11,370
Save 24.4%GIA | 2.5ct | Round | H | SI2 | Excellent
From $16,341
Compare at $21,608
Save 36%GIA | 2.5ct | Round | K | SI2 | Excellent
From $7,057
Compare at $11,022
GIA | 2.5ct | Round | G | SI1 | Excellent
From $29,050
Compare at $29,346
Save 15.9%GIA | 2.5ct | Round | D | SI2 | Ideal
From $20,516
Compare at $24,403
Save 23.3%GIA | 2.5ct | Round | K | VVS1 | Excellent
From $16,709
Compare at $21,788
GIA | 2.5ct | Round | E | VS1 | Excellent
From $28,322
Compare at $29,166
GIA | 2.5ct | Round | I | VS1 | Ideal
From $24,542
Compare at $25,291
GIA | 2.5ct | Round | D | VVS2 | Excellent
From $50,419
Compare at $50,609
Save 17%GIA | 2.5ct | Round | I | VS1 | Ideal
From $20,574
Compare at $24,780
Save 15%GIA | 2.5ct | Round | K | SI1 | Excellent
From $12,654
Compare at $14,894
Save 20.5%GIA | 2.5ct | Round | E | IF | Ideal
From $43,484
Compare at $54,709
Save 16.2%GIA | 2.5ct | Round | F | VS2 | Excellent
From $32,587
Compare at $38,882
GIA | 2.5ct | Round | G | VS1 | Excellent
From $35,701
Compare at $38,882
Save 14.6%GIA | 2.5ct | Round | G | VS1 | Ideal
From $28,894
Compare at $33,841
GIA | 2.5ct | Round | I | VS2 | Excellent
From $24,809
Compare at $25,958
Entry pricing in this category starts around $716.
What to Know When Shopping for 2.5 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $74,828 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 $26,414 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 1,325 comparable stones in this segment. Prices start around $716 and go up to $75,544.
Based on the latest market data, the average asking price is about $27,828 with a median around $26,414.
The observed spread is roughly $74,828 across tracked listings, which is about 99.1% 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 $26,414, 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 7 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 $74,828 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.
2.4 Carat Round Natural Diamond Prices
2.6 Carat Round Natural Diamond Prices
2.3 Carat Round Natural Diamond Prices
2.7 Carat Round Natural Diamond Prices
2.2 Carat Round Natural Diamond Prices
2.8 Carat Round Natural Diamond Prices
2.1 Carat Round Natural Diamond Prices
2.5 Carat Oval Natural Diamond Prices
2.5 Carat Emerald Natural Diamond Prices
2.5 Carat Cushion Natural Diamond Prices
2.5 Carat Pear Natural Diamond Prices
2.5 Carat Radiant Natural Diamond Prices
Tracking Natural inventory for 2.5 carat Round diamonds.