3.2 Carat Round Lab Grown Diamond Prices Comparison
As of February 2026, 3.2 carat round lab grown diamonds usually range from $591 to $249,991, with an average price of $1,819.In the last month, prices for these diamonds are down 4.3%.Compare 2,126 verified listings across 13 retailers tracked by CaratRadar.
3.2 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 2,126 verified 3.2-carat round lab grown diamonds listed across 13 online retailers. Prices in this segment range from $591 to $249,991, with an average asking price of $1,819 and a median of $1,078.
The price spread of $249,400 (99.8% 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.
2,126 diamonds tracked in this segment
Price range: $591 to $249,991
Average price: $1,819
Median price: $1,078
Available across 13 retailers
Savings potential: up to 99.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
2,126
$591
$1,819
$1,078
$249,991
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 70.8%3.15ct | Round | J | VS1 | Ideal
From $904
Compare at $3,100
IGISave 69.5%3.15ct | Round | J | VS1 | Ideal
From $904
Compare at $2,960
IGISave 76.6%3.15ct | Round | E | IF | Ideal
From $2,812
Compare at $12,020
IGISave 79.7%3.15ct | Round | H | VVS2 | Ideal
From $620
Compare at $3,060
IGISave 85.4%3.15ct | Round | G | VS2 | Ideal
From $722
Compare at $4,940
GIASave 82.6%3.15ct | Round | F | VVS2 | Excellent
From $2,114
Compare at $12,180
IGISave 89.5%3.15ct | Round | E | VS1 | Ideal
From $891
Compare at $8,450
IGISave 79.2%3.15ct | Round | H | VS1 | Ideal
From $620
Compare at $2,980
GCALSave 47.8%3.15ct | Round | D | FL | Excellent
From $10,296
Compare at $19,740
GIASave 81.8%3.15ct | Round | D | VVS1 | Ideal
From $2,104
Compare at $11,540
GIASave 83%3.15ct | Round | D | VVS1 | Excellent
From $1,966
Compare at $11,540
GIASave 81.1%3.15ct | Round | E | VVS1 | Excellent
From $1,891
Compare at $10,010
GIASave 39.2%3.15ct | Round | D | VS1 | Excellent
From $5,828
Compare at $9,580
GIASave 59.3%3.15ct | Round | D | VVS1 | Excellent
From $4,857
Compare at $11,920
GIASave 83%3.15ct | Round | D | VVS1 | Excellent
From $1,966
Compare at $11,540
GIASave 82.6%3.15ct | Round | F | VVS2 | Excellent
From $2,060
Compare at $11,830
GIASave 73.3%3.15ct | Round | D | VVS1 | Excellent
From $4,163
Compare at $15,590
GIASave 75.6%3.15ct | Round | D | VVS1 | Excellent
From $2,540
Compare at $10,400
GIASave 59%3.15ct | Round | E | VVS1 | Excellent
From $4,747
Compare at $11,580
GIASave 82%3.15ct | Round | D | VVS1 | Ideal
From $2,074
Compare at $11,540
IGISave 81.1%3.15ct | Round | D | VS1 | Ideal
From $1,480
Compare at $7,820
IGISave 79.2%3.15ct | Round | G | VVS2 | Ideal
From $1,215
Compare at $5,830
IGISave 79.9%3.15ct | Round | H | VVS2 | Ideal
From $630
Compare at $3,130
IGISave 89.4%3.15ct | Round | F | VVS2 | Ideal
From $885
Compare at $8,330
IGISave 64%3.15ct | Round | D | VVS1 | Ideal
From $2,176
Compare at $6,045
IGISave 69.5%3.15ct | Round | E | VS2 | Ideal
From $1,865
Compare at $6,120
IGISave 14.8%3.15ct | Round | G | VVS2 | Excellent
From $1,538
Compare at $1,805
IGISave 87.2%3.15ct | Round | F | VVS1 | Ideal
From $1,152
Compare at $8,990
IGISave 58.9%3.15ct | Round | F | VS1 | Ideal
From $2,504
Compare at $6,100
IGISave 88%3.15ct | Round | D | VVS1 | Ideal
From $1,384
Compare at $11,540
IGISave 89.2%3.15ct | Round | D | IF | Ideal
From $1,752
Compare at $16,150
IGISave 88%3.15ct | Round | D | VVS1 | Ideal
From $1,384
Compare at $11,540
IGISave 89%3.15ct | Round | D | IF | Ideal
From $1,770
Compare at $16,150
IGISave 88%3.15ct | Round | D | VVS1 | Ideal
From $1,384
Compare at $11,540
IGISave 85.4%3.15ct | Round | F | VVS2 | Ideal
From $1,023
Compare at $7,010
IGISave 81.9%3.15ct | Round | D | VS1 | Ideal
From $1,046
Compare at $5,770
IGISave 81.9%3.15ct | Round | D | VS1 | Ideal
From $1,046
Compare at $5,770
IGISave 86.3%3.15ct | Round | F | VS1 | Ideal
From $840
Compare at $6,140
IGISave 89%3.15ct | Round | D | IF | Ideal
From $1,770
Compare at $16,150
IGISave 87.2%3.15ct | Round | D | VVS1 | Ideal
From $1,476
Compare at $11,540
IGISave 89%3.15ct | Round | D | IF | Ideal
From $1,770
Compare at $16,150
IGISave 86.8%3.15ct | Round | D | VS1 | Ideal
From $1,025
Compare at $7,760
IGISave 88.5%3.15ct | Round | D | VVS2 | Ideal
From $1,051
Compare at $9,100
IGISave 81.9%3.15ct | Round | D | VVS2 | Ideal
From $1,051
Compare at $5,800
IGISave 88.3%3.15ct | Round | D | IF | Ideal
From $1,884
Compare at $16,150
IGISave 88.5%3.15ct | Round | E | VVS2 | Ideal
From $885
Compare at $7,680
IGISave 89%3.15ct | Round | D | IF | Ideal
From $1,770
Compare at $16,150
IGISave 88%3.15ct | Round | D | VVS2 | Ideal
From $1,096
Compare at $9,150
IGISave 86.6%3.15ct | Round | D | VS2 | Ideal
From $914
Compare at $6,830
IGISave 77.7%3.15ct | Round | E | IF | Ideal
From $1,836
Compare at $8,220
Entry pricing in this category starts around $591.
What to Know When Shopping for 3.2 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $249,400 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 $1,078 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 2,126 comparable stones in this segment. Prices start around $591 and go up to $249,991.
Based on the latest market data, the average asking price is about $1,819 with a median around $1,078.
The observed spread is roughly $249,400 across tracked listings, which is about 99.8% 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 $1,078, 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 $249,400 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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