4 Carat Oval Lab Grown Diamond Prices Comparison
As of May 2026, 4 carat oval lab grown diamonds usually range from $131 to $24,345, with an average price of $3,424.In the last month, prices for these diamonds are down 4.8%.Compare 4,024 verified listings across 12 retailers tracked by CaratRadar.
4 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 4,024 verified 4-carat oval lab grown diamonds listed across 12 online retailers. Prices in this segment range from $131 to $24,345, with an average asking price of $3,424 and a median of $2,346.
The price spread of $24,214 (99.5% 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.
4,024 diamonds tracked in this segment
Price range: $131 to $24,345
Average price: $3,424
Median price: $2,346
Available across 12 retailers
Savings potential: up to 99.5%
Price Range Overview
As of May 30, 2026Real market range for this carat, shape, and diamond type.
4,024
$131
$3,424
$2,346
$24,345
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 78.3%IGI | 4.03ct | Oval | I | VS2 | Ideal
From $585
Compare at $2,690
Save 79.8%IGI | 4.07ct | Oval | I | VS2 | Ideal
From $591
Compare at $2,920
Save 79.7%IGI | 4.07ct | Oval | I | VS2 | Ideal
From $591
Compare at $2,910
Save 62.3%IGI | 4.04ct | Oval | H | VS2 | Ideal
From $613
Compare at $1,627
Save 62.3%IGI | 4.04ct | Oval | H | VS2 | Ideal
From $613
Compare at $1,627
Save 62.4%IGI | 4.06ct | Oval | H | VS2 | Ideal
From $617
Compare at $1,642
Save 79.7%IGI | 4.01ct | Oval | H | VS2 | Very Good
From $618
Compare at $3,040
Save 80%IGI | 4.08ct | Oval | H | VS2 | Ideal
From $620
Compare at $3,100
Save 54.9%IGI | 4ct | Oval | H | VS1 | Very Good
From $625
Compare at $1,387
Save 64.4%IGI | 4.02ct | Oval | F | SI1 | Ideal
From $629
Compare at $1,769
Save 64.4%IGI | 4.02ct | Oval | F | SI1 | Ideal
From $629
Compare at $1,769
Save 23.2%IGI | 4.03ct | Oval | H | VS1 | Excellent
From $630
Compare at $820
Save 59.6%IGI | 4ct | Oval | H | VS1 | Ideal
From $634
Compare at $1,568
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Excellent
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Excellent
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.8%IGI | 4.02ct | Oval | H | VS1 | Ideal
From $637
Compare at $1,583
Save 59.8%IGI | 4.02ct | Oval | H | VS1 | Ideal
From $637
Compare at $1,583
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Entry pricing in this category starts around $131.
What to Know When Shopping for 4 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $24,214 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 $2,346 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 4,024 comparable stones in this segment. Prices start around $131 and go up to $24,345.
Based on the latest market data, the average asking price is about $3,424 with a median around $2,346.
The observed spread is roughly $24,214 across tracked listings, which is about 99.5% 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 $3,424. The median price is $2,346, 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 $24,214 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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