2.5 Carat Round Natural Diamond Prices Comparison
As of February 2026, 2.5 carat round natural diamonds usually range from $662 to $93,136, with an average price of $25,277.In the last month, prices for these diamonds are down 4.7%.Compare 1,290 verified listings across 7 retailers tracked by CaratRadar.
2.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 1,290 verified 2.5-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $662 to $93,136, with an average asking price of $25,277 and a median of $25,016.
The price spread of $92,474 (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.
1,290 diamonds tracked in this segment
Price range: $662 to $93,136
Average price: $25,277
Median price: $25,016
Available across 7 retailers
Savings potential: up to 99.3%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
1,290
$662
$25,277
$25,016
$93,136
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
2.46ct | Round | L | VVS1 | Excellent
From $20,279
Compare at $22,980
GIA2.46ct | Round | K | SI1 | Excellent
From $16,155
Compare at $16,433
GIASave 74.4%2.46ct | Round | D | VVS1 | Excellent
From $1,820
Compare at $7,120
IGISave 68.5%2.46ct | Round | D | VS1 | Excellent
From $759
Compare at $2,410
IGISave 16.2%2.46ct | Round | F | VVS2 | Ideal
From $912
Compare at $1,089
IGISave 64.3%2.46ct | Round | E | VS1 | Excellent
From $728
Compare at $2,040
2.46ct | Round | FANCY | VS1 | Ideal
From $1,064
Compare at $3,046
2.46ct | Round | D | SI1 | Excellent
From $1,645
Compare at $6,770
GIASave 68.9%2.46ct | Round | F | VVS1 | Excellent
From $1,590
Compare at $5,120
2.46ct | Round | G | VS1 | Excellent
From $30,270
Compare at $37,484
GIA2.46ct | Round | I | SI1 | Ideal
From $19,919
Compare at $20,105
IGISave 85%2.46ct | Round | D | VVS1 | Ideal
From $1,064
Compare at $7,070
GIASave 61.5%2.47ct | Round | D | VVS1 | Excellent
From $1,875
Compare at $4,877
GIA2.47ct | Round | I | VVS2 | Ideal
From $24,032
Compare at $26,209
GIASave 17.6%2.47ct | Round | E | VVS2 | Very Good
From $47,637
Compare at $57,835
GIASave 39.1%2.47ct | Round | G | VS1 | Ideal
From $37,918
Compare at $62,243
GIA2.47ct | Round | D | VVS2 | Ideal
From $49,572
Compare at $53,046
IGISave 70.9%2.47ct | Round | E | VVS2 | Excellent
From $761
Compare at $2,615
IGISave 60%2.47ct | Round | F | VS1 | Excellent
From $718
Compare at $1,796
IGISave 65.6%2.47ct | Round | E | VS1 | Ideal
From $730
Compare at $2,120
IGISave 60%2.47ct | Round | F | VS1 | Excellent
From $718
Compare at $1,796
IGISave 60%2.47ct | Round | F | VS1 | Excellent
From $718
Compare at $1,796
IGISave 70.9%2.47ct | Round | E | VVS2 | Excellent
From $761
Compare at $2,615
GIASave 74.1%2.47ct | Round | D | VVS2 | Excellent
From $1,494
Compare at $5,770
IGISave 60%2.47ct | Round | F | VS1 | Excellent
From $718
Compare at $1,796
GIA2.48ct | Round | J | VVS2 | Excellent
From $33,208
Compare at $34,626
GIASave 20.8%2.48ct | Round | L | VS1 | Excellent
From $15,268
Compare at $19,266
IGISave 57.1%2.48ct | Round | FANCY | SI1 | Excellent
From $1,089
Compare at $2,538
IGISave 69.9%2.48ct | Round | D | VS2 | Excellent
From $723
Compare at $2,405
IGISave 60.1%2.48ct | Round | F | VS1 | Excellent
From $720
Compare at $1,803
2.48ct | Round | D | VVS1 | Excellent
From $1,833
Compare at $7,180
IGISave 46.9%2.48ct | Round | FANCY | VS1 | Ideal
From $697
Compare at $1,314
GIASave 39.2%2.49ct | Round | D | VVS1 | Excellent
From $1,433
Compare at $2,359
GIASave 37.1%2.49ct | Round | K | VS1 | Ideal
From $13,785
Compare at $21,932
GIASave 19%2.49ct | Round | E | VVS2 | Excellent
From $50,469
Compare at $62,318
IGISave 64.7%2.49ct | Round | FANCY | VS1 | Ideal
From $1,207
Compare at $3,422
IGISave 47.5%2.49ct | Round | G | VS2 | Ideal
From $662
Compare at $1,261
GIASave 67.9%2.49ct | Round | E | VVS2 | Excellent
From $1,111
Compare at $3,465
GIA2.49ct | Round | G | IF | Excellent
From $64,565
Compare at $67,626
GIASave 28.2%2.49ct | Round | K | VVS1 | Excellent
From $15,141
Compare at $21,080
IGISave 55.4%2.49ct | Round | FANCY | VS1 | Ideal
From $1,760
Compare at $3,944
GIA2.49ct | Round | F | IF | Excellent
From $48,016
Compare at $50,053
IGISave 50.7%2.49ct | Round | D | VVS2 | Excellent
From $770
Compare at $1,562
2.49ct | Round | D | SI1 | Ideal
From $19,614
Compare at $23,329
GIASave 16.5%2.5ct | Round | I | SI1 | Excellent
From $19,871
Compare at $23,809
GIASave 39%2.5ct | Round | D | VVS2 | Excellent
From $40,265
Compare at $66,050
2.5ct | Round | H | VVS2 | Ideal
From $28,097
Compare at $40,750
2.5ct | Round | I | VS1 | Ideal
From $24,864
Compare at $25,380
2.5ct | Round | K | VS1 | Ideal
From $16,099
Compare at $37,952
GIASave 24.1%2.5ct | Round | D | SI1 | Excellent
From $27,362
Compare at $36,033
Entry pricing in this category starts around $662.
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 $92,474 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 $25,016 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 1,290 comparable stones in this segment. Prices start around $662 and go up to $93,136.
Based on the latest market data, the average asking price is about $25,277 with a median around $25,016.
The observed spread is roughly $92,474 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 our data, the median price is $25,016, 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 $92,474 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 Round diamonds.