2.5 Carat Round Lab Grown Diamond Prices Comparison
As of February 2026, 2.5 carat round lab grown diamonds usually range from $587 to $14,750, with an average price of $1,221.In the last month, prices for these diamonds are down 3.9%.Compare 11,821 verified listings across 12 retailers tracked by CaratRadar.
2.5 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 11,821 verified 2.5-carat round lab grown diamonds listed across 12 online retailers. Prices in this segment range from $587 to $14,750, with an average asking price of $1,221 and a median of $924.
The price spread of $14,163 (96.0% 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.
11,821 diamonds tracked in this segment
Price range: $587 to $14,750
Average price: $1,221
Median price: $924
Available across 12 retailers
Savings potential: up to 96.0%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
11,821
$587
$1,221
$924
$14,750
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 42.8%2.46ct | Round | K | VS1 | Ideal
From $7,994
Compare at $13,979
IGISave 66.6%2.46ct | Round | J | VS2 | Ideal
From $912
Compare at $2,734
IGISave 51.5%2.46ct | Round | J | VVS2 | Excellent
From $1,404
Compare at $2,896
IGISave 51.5%2.46ct | Round | I | VS1 | Excellent
From $1,403
Compare at $2,892
IGISave 66.6%2.46ct | Round | J | VS2 | Ideal
From $912
Compare at $2,734
IGISave 51.5%2.46ct | Round | I | VS2 | Excellent
From $1,403
Compare at $2,892
IGISave 91.2%2.46ct | Round | G | VS1 | Ideal
From $877
Compare at $10,020
GIASave 84.6%2.46ct | Round | E | VVS2 | Excellent
From $1,282
Compare at $8,320
IGISave 28.4%2.46ct | Round | E | VS1 | Excellent
From $967
Compare at $1,350
GCALSave 68.3%2.46ct | Round | H | VS1 | Excellent
From $2,031
Compare at $6,410
GIASave 67.5%2.46ct | Round | D | VVS2 | Excellent
From $3,272
Compare at $10,070
GIASave 84.7%2.46ct | Round | D | VVS1 | Excellent
From $1,330
Compare at $8,690
GIASave 42%2.46ct | Round | E | VS1 | Excellent
From $1,384
Compare at $2,386
GIASave 75.3%2.46ct | Round | D | VS1 | Excellent
From $1,199
Compare at $4,850
GIASave 83.8%2.46ct | Round | D | VVS1 | Excellent
From $1,450
Compare at $8,930
GIASave 80.3%2.46ct | Round | E | VS1 | Excellent
From $1,525
Compare at $7,730
GIASave 80.8%2.46ct | Round | E | VVS2 | Excellent
From $1,664
Compare at $8,680
GIASave 84.8%2.46ct | Round | D | VVS1 | Excellent
From $1,422
Compare at $9,380
GIASave 83.8%2.46ct | Round | D | VVS1 | Excellent
From $1,450
Compare at $8,930
GIASave 77.9%2.46ct | Round | D | VVS1 | Excellent
From $1,553
Compare at $7,020
GIASave 72.2%2.46ct | Round | D | VVS1 | Excellent
From $2,603
Compare at $9,350
IGISave 42.8%2.46ct | Round | K | VS1 | Ideal
From $7,994
Compare at $13,979
IGISave 47.7%2.46ct | Round | L | SI1 | Ideal
From $3,751
Compare at $7,168
IGISave 66.6%2.46ct | Round | J | VS1 | Ideal
From $914
Compare at $2,738
GIASave 61.5%2.46ct | Round | D | VVS1 | Ideal
From $1,869
Compare at $4,858
IGISave 60.2%2.46ct | Round | G | VS1 | Excellent
From $858
Compare at $2,155
IGISave 77.8%2.46ct | Round | E | VS2 | Ideal
From $860
Compare at $3,870
IGISave 86.8%2.46ct | Round | D | IF | Ideal
From $1,267
Compare at $9,580
IGISave 81.8%2.46ct | Round | D | VS1 | Ideal
From $889
Compare at $4,890
IGISave 75.8%2.46ct | Round | E | VS1 | Excellent
From $1,166
Compare at $4,813
IGISave 58.6%2.46ct | Round | E | VS1 | Ideal
From $876
Compare at $2,115
IGISave 85.2%2.46ct | Round | D | VVS1 | Ideal
From $1,037
Compare at $7,020
IGISave 32.1%2.46ct | Round | FANCY | VS2 | Excellent
From $1,685
Compare at $2,481
IGISave 88.8%2.46ct | Round | D | IF | Ideal
From $1,228
Compare at $10,920
IGISave 84.9%2.46ct | Round | D | VS1 | Excellent
From $742
Compare at $4,900
IGISave 85.5%2.46ct | Round | D | VS1 | Excellent
From $708
Compare at $4,900
IGISave 67.6%2.46ct | Round | E | SI1 | Ideal
From $629
Compare at $1,942
IGISave 88.8%2.46ct | Round | D | IF | Ideal
From $1,228
Compare at $10,920
IGISave 52.6%2.46ct | Round | D | VS2 | Ideal
From $1,513
Compare at $3,190
IGISave 65.7%2.46ct | Round | E | VS1 | Excellent
From $823
Compare at $2,401
IGISave 88%2.46ct | Round | D | IF | Ideal
From $1,310
Compare at $10,920
IGISave 85.5%2.46ct | Round | D | VS1 | Excellent
From $708
Compare at $4,900
IGISave 88.8%2.46ct | Round | D | IF | Ideal
From $1,228
Compare at $10,920
IGISave 65.9%2.46ct | Round | E | VS2 | Ideal
From $679
Compare at $1,990
IGISave 83.9%2.46ct | Round | E | VS1 | Excellent
From $719
Compare at $4,470
IGISave 83.5%2.46ct | Round | E | VS1 | Excellent
From $738
Compare at $4,470
IGISave 83.6%2.46ct | Round | F | VVS2 | Ideal
From $769
Compare at $4,690
IGISave 84.2%2.46ct | Round | E | VS1 | Excellent
From $708
Compare at $4,470
IGISave 85.4%2.46ct | Round | D | VS1 | Ideal
From $708
Compare at $4,850
IGISave 83.5%2.46ct | Round | E | VS1 | Ideal
From $738
Compare at $4,470
Entry pricing in this category starts around $587.
What to Know When Shopping for 2.5 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $14,163 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 $924 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- 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 11,821 comparable stones in this segment. Prices start around $587 and go up to $14,750.
Based on the latest market data, the average asking price is about $1,221 with a median around $924.
The observed spread is roughly $14,163 across tracked listings, which is about 96.0% 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 $924, 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 12 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 $14,163 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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