3.8 Carat Oval Lab Grown Diamond Prices Comparison
As of February 2026, 3.8 carat oval lab grown diamonds usually range from $774 to $33,720, with an average price of $2,529.In the last month, prices for these diamonds are down 2.7%.Compare 502 verified listings across 13 retailers tracked by CaratRadar.
3.8 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 502 verified 3.8-carat oval lab grown diamonds listed across 13 online retailers. Prices in this segment range from $774 to $33,720, with an average asking price of $2,529 and a median of $1,473.
The price spread of $32,946 (97.7% 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.
502 diamonds tracked in this segment
Price range: $774 to $33,720
Average price: $2,529
Median price: $1,473
Available across 13 retailers
Savings potential: up to 97.7%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
502
$774
$2,529
$1,473
$33,720
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 87.3%3.75ct | Oval | G | VS1 | Ideal
From $943
Compare at $7,420
IGISave 74.6%3.75ct | Oval | G | VS1 | Very Good
From $1,179
Compare at $4,640
GCALSave 76.8%3.75ct | Oval | D | VVS2 | Excellent
From $2,080
Compare at $8,950
GIASave 54.9%3.75ct | Oval | D | VVS1 | Excellent
From $7,920
Compare at $17,570
GIASave 39.2%3.75ct | Oval | D | VVS1 | Excellent
From $10,677
Compare at $17,570
GIASave 75.8%3.75ct | Oval | E | VVS2 | Excellent
From $2,335
Compare at $9,670
IGISave 31%3.75ct | Oval | FANCY | VS1 | Excellent
From $3,801
Compare at $5,510
IGI3.75ct | Oval | D | VS1 | Excellent
From $8,240
Compare at $9,056
IGISave 79.6%3.75ct | Oval | D | VVS1 | Ideal
From $2,773
Compare at $13,580
IGISave 82.3%3.75ct | Oval | F | VVS2 | Very Good
From $1,440
Compare at $8,141
GCALSave 62.8%3.75ct | Oval | E | VVS2 | Ideal
From $4,245
Compare at $11,420
GIASave 72.2%3.75ct | Oval | D | VVS2 | Excellent
From $2,895
Compare at $10,424
IGISave 76.4%3.75ct | Oval | F | SI1 | Ideal
From $941
Compare at $3,980
IGISave 82.8%3.75ct | Oval | G | VVS2 | Ideal
From $885
Compare at $5,150
IGISave 82.2%3.75ct | Oval | E | VVS2 | Ideal
From $1,722
Compare at $9,650
IGISave 80.9%3.75ct | Oval | E | VVS2 | Excellent
From $1,820
Compare at $9,540
IGISave 83.3%3.75ct | Oval | D | VVS2 | Ideal
From $1,416
Compare at $8,480
IGISave 81.8%3.75ct | Oval | D | VVS2 | Excellent
From $1,944
Compare at $10,680
IGISave 79.7%3.75ct | Oval | F | VVS2 | Excellent
From $1,440
Compare at $7,110
IGISave 81.4%3.75ct | Oval | E | VVS2 | Very Good
From $1,779
Compare at $9,540
IGISave 78.8%3.75ct | Oval | D | VVS2 | Excellent
From $2,060
Compare at $9,726
IGISave 85.8%3.75ct | Oval | F | VS1 | Excellent
From $1,105
Compare at $7,800
IGISave 84%3.75ct | Oval | D | VS1 | Excellent
From $1,450
Compare at $9,056
IGISave 75.5%3.75ct | Oval | E | VS2 | Very Good
From $1,897
Compare at $7,740
IGISave 71.3%3.75ct | Oval | E | VVS1 | Very Good
From $3,140
Compare at $10,950
IGISave 78.7%3.75ct | Oval | D | VS1 | Very Good
From $1,443
Compare at $6,780
IGISave 76.7%3.75ct | Oval | D | VVS1 | Excellent
From $2,973
Compare at $12,770
IGISave 46.8%3.75ct | Oval | D | VS1 | Very Good
From $2,036
Compare at $3,825
IGISave 66.1%3.75ct | Oval | D | VVS2 | Ideal
From $1,601
Compare at $4,725
IGISave 84.6%3.75ct | Oval | D | VS1 | Very Good
From $1,259
Compare at $8,150
IGISave 74.6%3.75ct | Oval | G | VS1 | Very Good
From $1,179
Compare at $4,640
IGISave 78.3%3.75ct | Oval | E | VVS2 | Excellent
From $1,975
Compare at $9,090
IGISave 81.8%3.75ct | Oval | D | VVS1 | Excellent
From $3,032
Compare at $16,680
IGISave 81.2%3.75ct | Oval | D | VVS2 | Ideal
From $1,959
Compare at $10,400
IGISave 73.3%3.75ct | Oval | E | VVS2 | Excellent
From $2,574
Compare at $9,650
GIASave 18%3.75ct | Oval | E | VVS2 | Excellent
From $2,337
Compare at $2,850
IGISave 33.6%3.75ct | Oval | G | VVS2 | Good
From $1,820
Compare at $2,740
IGISave 74.7%3.75ct | Oval | G | VS2 | Very Good
From $1,143
Compare at $4,510
IGISave 62%3.75ct | Oval | G | VVS2 | Ideal
From $1,428
Compare at $3,754
IGISave 21.1%3.75ct | Oval | F | VS1 | Excellent
From $2,081
Compare at $2,639
IGISave 86.2%3.75ct | Oval | E | VVS2 | Ideal
From $1,265
Compare at $9,193
IGISave 65.1%3.75ct | Oval | D | VVS2 | Ideal
From $2,676
Compare at $7,660
IGISave 46.9%3.75ct | Oval | E | VS1 | Excellent
From $1,137
Compare at $2,144
IGISave 46.5%3.75ct | Oval | E | VS1 | Excellent
From $1,170
Compare at $2,188
IGISave 65.8%3.75ct | Oval | E | VS1 | Excellent
From $2,792
Compare at $8,160
IGISave 83.6%3.76ct | Oval | H | VS1 | Ideal
From $929
Compare at $5,660
IGISave 86.7%3.76ct | Oval | G | VS2 | Ideal
From $915
Compare at $6,870
IGISave 84.9%3.76ct | Oval | G | VS1 | Ideal
From $1,122
Compare at $7,440
GIASave 72.5%3.76ct | Oval | D | VVS2 | Good
From $3,347
Compare at $12,170
GIASave 71.6%3.76ct | Oval | D | SI1 | Excellent
From $3,116
Compare at $10,990
Entry pricing in this category starts around $774.
What to Know When Shopping for 3.8 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $32,946 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 $1,473 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 502 comparable stones in this segment. Prices start around $774 and go up to $33,720.
Based on the latest market data, the average asking price is about $2,529 with a median around $1,473.
The observed spread is roughly $32,946 across tracked listings, which is about 97.7% 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 $1,473, 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 13 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 $32,946 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.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
3.7 Carat Oval Lab Grown Diamond Prices
3.9 Carat Oval Lab Grown Diamond Prices
3.6 Carat Oval Lab Grown Diamond Prices
4 Carat Oval Lab Grown Diamond Prices
3.5 Carat Oval Lab Grown Diamond Prices
4.1 Carat Oval Lab Grown Diamond Prices
3.4 Carat Oval Lab Grown Diamond Prices
3.8 Carat Round Lab Grown Diamond Prices
3.8 Carat Radiant Lab Grown Diamond Prices
3.8 Carat Emerald Lab Grown Diamond Prices
3.8 Carat Cushion Lab Grown Diamond Prices
3.8 Carat Princess Lab Grown Diamond Prices
Tracking Lab Grown inventory for 3.8 carat Oval diamonds.