2.5 Carat Radiant Natural Diamond Prices Comparison
As of February 2026, 2.5 carat radiant natural diamonds usually range from $614 to $44,263, with an average price of $21,347.In the last month, prices for these diamonds are down 1.2%.Compare 241 verified listings across 6 retailers tracked by CaratRadar.
2.5 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 241 verified 2.5-carat radiant natural diamonds listed across 6 online retailers. Prices in this segment range from $614 to $44,263, with an average asking price of $21,347 and a median of $23,694.
The price spread of $43,649 (98.6% 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.
241 diamonds tracked in this segment
Price range: $614 to $44,263
Average price: $21,347
Median price: $23,694
Available across 6 retailers
Savings potential: up to 98.6%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
241
$614
$21,347
$23,694
$44,263
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 58.3%2.46ct | Radiant | F | VS1 | Very Good
From $642
Compare at $1,541
2.46ct | Radiant | G | VS1 | Excellent
From $30,748
Compare at $35,954
IGISave 68.6%2.47ct | Radiant | E | VS1 | Very Good
From $666
Compare at $2,120
IGISave 58.2%2.47ct | Radiant | F | VS2 | Very Good
From $631
Compare at $1,509
IGISave 68.6%2.47ct | Radiant | E | VS1 | Very Good
From $666
Compare at $2,120
IGISave 67.5%2.48ct | Radiant | E | VS1 | Very Good
From $668
Compare at $2,055
IGISave 58.9%2.48ct | Radiant | F | VVS2 | Very Good
From $668
Compare at $1,625
GIASave 60.7%2.48ct | Radiant | D | IF | Ideal
From $3,369
Compare at $8,579
IGISave 85.2%2.49ct | Radiant | D | VVS1 | Very Good
From $1,016
Compare at $6,870
IGISave 58.3%2.49ct | Radiant | F | VS2 | Very Good
From $634
Compare at $1,521
IGISave 70.8%2.49ct | Radiant | E | VVS2 | Very Good
From $1,211
Compare at $4,150
GIA2.5ct | Radiant | K | SI2 | Excellent
From $12,472
Compare at $12,953
GIA2.5ct | Radiant | H | VS1 | Excellent
From $27,433
Compare at $27,664
GIA2.5ct | Radiant | I | VS2 | Ideal
From $22,091
Compare at $23,970
GIASave 16.1%2.5ct | Radiant | D | SI1 | Excellent
From $28,814
Compare at $34,360
GIASave 16.6%2.5ct | Radiant | I | SI1 | Excellent
From $20,350
Compare at $24,389
GIA2.5ct | Radiant | H | SI1 | Excellent
From $25,344
Compare at $27,296
GIASave 19.7%2.5ct | Radiant | D | SI2 | Excellent
From $21,786
Compare at $27,131
GIASave 37.4%2.5ct | Radiant | F | VS2 | Excellent
From $30,341
Compare at $48,453
GIA2.5ct | Radiant | J | SI1 | Very Good
From $16,706
Compare at $17,217
GIA2.5ct | Radiant | D | SI2 | Excellent
From $24,184
Compare at $24,855
GIASave 16.5%2.5ct | Radiant | F | VS1 | Excellent
From $28,031
Compare at $33,586
GIASave 11.2%2.5ct | Radiant | I | VS1 | Excellent
From $25,545
Compare at $28,775
GIASave 19.5%2.5ct | Radiant | J | SI2 | Excellent
From $12,129
Compare at $15,072
GIA2.5ct | Radiant | H | VS1 | Excellent
From $31,696
Compare at $32,819
2.5ct | Radiant | I | VS2 | Excellent
From $23,757
Compare at $26,929
2.5ct | Radiant | J | VVS2 | Excellent
From $20,115
Compare at $23,036
GIA2.5ct | Radiant | D | VS1 | Excellent
From $28,260
Compare at $29,762
GIASave 23.1%2.5ct | Radiant | D | SI2 | Ideal
From $21,730
Compare at $28,245
GIASave 35.3%2.5ct | Radiant | E | VS2 | Excellent
From $34,102
Compare at $52,735
GIA2.5ct | Radiant | D | SI1 | Very Good
From $31,807
Compare at $33,014
GIA2.5ct | Radiant | I | SI2 | Ideal
From $19,720
Compare at $20,971
GIA2.5ct | Radiant | G | VS2 | Very Good
From $29,202
Compare at $32,246
GIA2.5ct | Radiant | G | VS1 | Excellent
From $28,750
Compare at $31,696
GIASave 32.5%2.5ct | Radiant | E | VVS2 | Excellent
From $1,215
Compare at $1,800
GIA2.5ct | Radiant | E | SI2 | Excellent
From $25,920
Compare at $27,855
GIA2.5ct | Radiant | I | SI1 | Excellent
From $21,060
Compare at $21,350
GIA2.5ct | Radiant | J | VVS1 | Excellent
From $20,714
Compare at $22,051
GIA2.5ct | Radiant | G | SI1 | Excellent
From $18,460
Compare at $19,763
2.5ct | Radiant | I | VS2 | Excellent
From $23,040
Compare at $26,118
GIA2.5ct | Radiant | I | VS2 | Ideal
From $22,640
Compare at $24,433
GIASave 11.2%2.5ct | Radiant | I | VS1 | Excellent
From $25,545
Compare at $28,775
GIASave 10.6%2.5ct | Radiant | J | VS2 | Excellent
From $16,983
Compare at $18,987
GIA2.5ct | Radiant | K | SI1 | Excellent
From $13,031
Compare at $13,121
GIA2.5ct | Radiant | G | SI1 | Excellent
From $25,410
Compare at $27,284
GIASave 16.1%2.5ct | Radiant | F | VS2 | Excellent
From $33,372
Compare at $39,799
IGISave 17%2.5ct | Radiant | D | VS1 | Very Good
From $722
Compare at $870
IGISave 29.9%2.5ct | Radiant | F | VS1 | Very Good
From $754
Compare at $1,075
IGISave 15.9%2.5ct | Radiant | E | VS2 | Very Good
From $661
Compare at $786
GIASave 10.9%2.5ct | Radiant | G | VS2 | Excellent
From $34,093
Compare at $38,263
Entry pricing in this category starts around $614.
What to Know When Shopping for 2.5 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $43,649 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 $23,694 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 241 comparable stones in this segment. Prices start around $614 and go up to $44,263.
Based on the latest market data, the average asking price is about $21,347 with a median around $23,694.
The observed spread is roughly $43,649 across tracked listings, which is about 98.6% 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 $23,694, 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 6 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 $43,649 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 2.5 carat Radiant diamonds.