3.5 Carat Oval Lab Grown Diamond Prices Comparison
As of May 2026, 3.5 carat oval lab grown diamonds usually range from $545 to $18,900, with an average price of $3,249.In the last month, prices for these diamonds are down 4.9%.Compare 1,535 verified listings across 12 retailers tracked by CaratRadar.
3.5 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 1,535 verified 3.5-carat oval lab grown diamonds listed across 12 online retailers. Prices in this segment range from $545 to $18,900, with an average asking price of $3,249 and a median of $2,254.
The price spread of $18,355 (97.1% 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.
1,535 diamonds tracked in this segment
Price range: $545 to $18,900
Average price: $3,249
Median price: $2,254
Available across 12 retailers
Savings potential: up to 97.1%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
1,535
$545
$3,249
$2,254
$18,900
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 22.3%IGI | 3.52ct | Oval | G | VS1 | Excellent
From $589
Compare at $758
IGI | 3.58ct | Oval | G | VS1 | Very Good
From $596
Compare at $867
Save 22.2%IGI | 3.6ct | Oval | G | VS1 | Excellent
From $603
Compare at $775
Save 78.9%IGI | 3.51ct | Oval | H | VS2 | Ideal
From $604
Compare at $2,860
Save 64.6%IGI | 3.5ct | Oval | G | VVS2 | Ideal
From $614
Compare at $1,736
Save 62.1%IGI | 3.54ct | Oval | G | VS1 | Ideal
From $617
Compare at $1,628
Save 62.1%IGI | 3.54ct | Oval | G | VS1 | Ideal
From $617
Compare at $1,628
Save 62.4%IGI | 3.57ct | Oval | G | VS1 | Ideal
From $622
Compare at $1,653
Save 62.4%IGI | 3.57ct | Oval | G | VS1 | Ideal
From $622
Compare at $1,653
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.5%IGI | 3.58ct | Oval | G | VS1 | Ideal
From $624
Compare at $1,663
Save 62.6%IGI | 3.59ct | Oval | G | VS1 | Ideal
From $625
Compare at $1,671
Save 62.6%IGI | 3.59ct | Oval | G | VS1 | Ideal
From $625
Compare at $1,671
Save 62.6%IGI | 3.59ct | Oval | G | VS1 | Ideal
From $625
Compare at $1,671
Save 62.6%IGI | 3.59ct | Oval | G | VS1 | Ideal
From $625
Compare at $1,671
Save 62.6%IGI | 3.59ct | Oval | G | VS1 | Ideal
From $625
Compare at $1,671
Save 62.7%IGI | 3.6ct | Oval | G | VS1 | Ideal
From $627
Compare at $1,680
Save 70%IGI | 3.5ct | Oval | G | VVS2 | Very Good
From $642
Compare at $2,140
Save 70%IGI | 3.5ct | Oval | G | VVS2 | Very Good
From $642
Compare at $2,140
Save 70.1%IGI | 3.51ct | Oval | G | VVS2 | Very Good
From $643
Compare at $2,147
Save 64.1%IGI | 3.56ct | Oval | G | VVS2 | Ideal
From $644
Compare at $1,794
Save 64.1%IGI | 3.56ct | Oval | G | VVS2 | Very Good
From $644
Compare at $1,794
Save 64.2%IGI | 3.57ct | Oval | G | VVS2 | Very Good
From $645
Compare at $1,803
Save 70%IGI | 3.54ct | Oval | G | VVS2 | Ideal
From $649
Compare at $2,165
Save 62.9%IGI | 3.51ct | Oval | G | VVS2 | Very Good
From $650
Compare at $1,750
Save 63%IGI | 3.53ct | Oval | G | VVS2 | Very Good
From $655
Compare at $1,769
Save 63.2%IGI | 3.55ct | Oval | G | VVS2 | Very Good
From $658
Compare at $1,788
Save 63.2%IGI | 3.55ct | Oval | G | VVS2 | Very Good
From $658
Compare at $1,788
Save 63.2%IGI | 3.55ct | Oval | G | VVS2 | Ideal
From $658
Compare at $1,788
Save 63.2%IGI | 3.55ct | Oval | G | VVS2 | Very Good
From $658
Compare at $1,788
Save 62.3%IGI | 3.51ct | Oval | E | VS2 | Very Good
From $664
Compare at $1,759
Save 62.4%IGI | 3.5ct | Oval | F | VS1 | Excellent
From $664
Compare at $1,766
Save 62.7%IGI | 3.53ct | Oval | F | VS1 | Excellent
From $670
Compare at $1,794
Save 62.8%IGI | 3.56ct | Oval | E | VS2 | Ideal
From $673
Compare at $1,807
Save 61.8%IGI | 3.5ct | Oval | F | VS1 | Very Good
From $678
Compare at $1,773
Save 61.6%IGI | 3.5ct | Oval | F | VS1 | Very Good
From $680
Compare at $1,769
Save 54.2%IGI | 3.55ct | Oval | H | VVS2 | Ideal
From $685
Compare at $1,497
Save 60.9%IGI | 3.56ct | Oval | G | VVS2 | Excellent
From $700
Compare at $1,789
Save 60.4%IGI | 3.51ct | Oval | F | VS1 | Very Good
From $706
Compare at $1,783
Save 59.9%IGI | 3.51ct | Oval | E | VS2 | Ideal
From $707
Compare at $1,764
Save 63.3%IGI | 3.53ct | Oval | E | VS1 | Very Good
From $709
Compare at $1,933
Save 63.3%IGI | 3.53ct | Oval | E | VS1 | Very Good
From $709
Compare at $1,933
Save 63.4%IGI | 3.54ct | Oval | E | VS1 | Very Good
From $711
Compare at $1,943
Save 56.1%IGI | 3.57ct | Oval | G | VS2 | Very Good
From $717
Compare at $1,632
Save 63.7%IGI | 3.57ct | Oval | F | VS1 | Good
From $717
Compare at $1,976
Entry pricing in this category starts around $545.
What to Know When Shopping for 3.5 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $18,355 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 $2,254 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 1,535 comparable stones in this segment. Prices start around $545 and go up to $18,900.
Based on the latest market data, the average asking price is about $3,249 with a median around $2,254.
The observed spread is roughly $18,355 across tracked listings, which is about 97.1% 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 $3,249. The median price is $2,254, 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 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 $18,355 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 3.5 carat Oval diamonds.