2.5 Carat Oval Lab Grown Diamond Prices Comparison
As of July 2026, 2.5 carat oval lab grown diamonds usually range from $307 to $8,980, with an average price of $1,875.In the last month, prices for these diamonds are down 2.6%.Compare 7,922 verified listings across 15 retailers tracked by CaratRadar.
2.5 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 7,922 verified 2.5-carat oval lab grown diamonds listed across 15 online retailers. Prices in this segment range from $307 to $8,980, with an average asking price of $1,875 and a median of $1,331.
The price spread of $8,673 (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.
7,922 diamonds tracked in this segment
Price range: $307 to $8,980
Average price: $1,875
Median price: $1,331
Available across 15 retailers
Savings potential: up to 96.6%
Price Range Overview
As of Jul 13, 2026Real market range for this carat, shape, and diamond type.
7,922
$307
$1,875
$1,331
$8,980
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 64.2%IGI | 2.53ct | Oval | G | VS1 | Very Good
From $374
Compare at $1,045
Save 64.5%IGI | 2.55ct | Oval | G | VS1 | Very Good
From $377
Compare at $1,062
Save 69.3%IGI | 2.52ct | Oval | F | SI1 | Ideal
From $378
Compare at $1,232
Save 64.7%IGI | 2.56ct | Oval | G | VS1 | Very Good
From $378
Compare at $1,070
Save 64.8%IGI | 2.57ct | Oval | G | VS1 | Excellent
From $379
Compare at $1,077
Save 64.9%IGI | 2.58ct | Oval | G | VS1 | Very Good
From $381
Compare at $1,084
Save 64.9%IGI | 2.58ct | Oval | G | VS1 | Very Good
From $381
Compare at $1,084
Save 62.8%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $381
Compare at $1,025
Save 62.9%IGI | 2.51ct | Oval | G | VS1 | Very Good
From $382
Compare at $1,031
Save 64.6%IGI | 2.6ct | Oval | G | VS1 | Very Good
From $390
Compare at $1,102
Save 68.3%IGI | 2.57ct | Oval | G | VVS2 | Very Good
From $391
Compare at $1,233
Save 66.8%IGI | 2.51ct | Oval | G | VVS2 | Very Good
From $393
Compare at $1,182
Save 68.4%IGI | 2.58ct | Oval | G | VVS2 | Very Good
From $393
Compare at $1,242
Save 58.2%IGI | 2.51ct | Oval | H | VS2 | Excellent
From $396
Compare at $948
Save 58.2%IGI | 2.51ct | Oval | H | VS2 | Very Good
From $396
Compare at $948
Save 68.2%IGI | 2.6ct | Oval | H | VVS2 | Excellent
From $396
Compare at $1,246
Save 68.6%IGI | 2.6ct | Oval | G | VVS2 | Excellent
From $396
Compare at $1,261
Save 68.6%IGI | 2.6ct | Oval | G | VVS2 | Very Good
From $396
Compare at $1,261
Save 58.2%IGI | 2.51ct | Oval | H | VS2 | Very Good
From $396
Compare at $948
Save 67%IGI | 2.53ct | Oval | G | VVS2 | Very Good
From $396
Compare at $1,199
Save 67.2%IGI | 2.52ct | Oval | F | SI1 | Ideal
From $400
Compare at $1,218
Save 67.2%IGI | 2.52ct | Oval | F | SI1 | Ideal
From $400
Compare at $1,218
Save 35.3%IGI | 2.53ct | Oval | I | VS1 | Ideal
From $403
Compare at $623
Save 73.4%IGI | 2.57ct | Oval | H | VS2 | Ideal
From $409
Compare at $1,536
Save 78.9%IGI | 2.57ct | Oval | I | VS1 | Ideal
From $409
Compare at $1,940
Save 58.1%IGI | 2.57ct | Oval | H | VS2 | Ideal
From $409
Compare at $976
Save 67.8%IGI | 2.58ct | Oval | F | SI1 | Ideal
From $410
Compare at $1,274
Save 60.6%IGI | 2.51ct | Oval | G | VS2 | Very Good
From $410
Compare at $1,041
Save 70.9%IGI | 2.59ct | Oval | G | VS2 | Very Good
From $410
Compare at $1,410
Save 48.9%IGI | 2.5ct | Oval | G | VS2 | Excellent
From $411
Compare at $804
Save 60.8%IGI | 2.52ct | Oval | G | VS2 | Very Good
From $411
Compare at $1,048
Save 60.8%IGI | 2.52ct | Oval | G | VS2 | Very Good
From $411
Compare at $1,048
Save 60.8%IGI | 2.52ct | Oval | G | VS2 | Excellent
From $411
Compare at $1,048
Save 60.9%IGI | 2.53ct | Oval | G | VS2 | Very Good
From $413
Compare at $1,057
Save 59.8%IGI | 2.51ct | Oval | H | VS1 | Very Good
From $414
Compare at $1,030
Save 70.3%IGI | 2.5ct | Oval | G | VS2 | Very Good
From $417
Compare at $1,403
Save 70.3%IGI | 2.53ct | Oval | G | VS1 | Very Good
From $417
Compare at $1,402
Save 61.5%IGI | 2.57ct | Oval | G | VS2 | Very Good
From $419
Compare at $1,088
Save 79.9%IGI | 2.54ct | Oval | H | VS1 | Excellent
From $419
Compare at $2,080
Save 61.5%IGI | 2.57ct | Oval | G | VS2 | Ideal
From $419
Compare at $1,088
Save 49.9%IGI | 2.54ct | Oval | G | VS1 | Very Good
From $421
Compare at $841
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Excellent
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Save 59.9%IGI | 2.5ct | Oval | G | VS1 | Very Good
From $421
Compare at $1,051
Entry pricing in this category starts around $307.
What to Know When Shopping for 2.5 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $8,673 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 $1,331 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.
- Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.
Frequently Asked Questions
We currently track 7,922 comparable stones in this segment. Prices start around $307 and go up to $8,980.
Based on the latest market data, the average asking price is about $1,875 with a median around $1,331.
The observed spread is roughly $8,673 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 completed market data, the fair market benchmark is $1,875. The median price is $1,331, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 15 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 $8,673 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 Lab Grown inventory for 2.5 carat Oval diamonds.