3.5 Carat Princess Lab Grown Diamond Prices Comparison
As of May 2026, 3.5 carat princess lab grown diamonds usually range from $609 to $22,319, with an average price of $3,271.In the last month, prices for these diamonds are down 5.8%.Compare 355 verified listings across 8 retailers tracked by CaratRadar.
3.5 Carat Princess Lab Grown Diamond Market Overview
CaratRadar currently tracks 355 verified 3.5-carat princess lab grown diamonds listed across 8 online retailers. Prices in this segment range from $609 to $22,319, with an average asking price of $3,271 and a median of $2,256.
The price spread of $21,710 (97.3% 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.
355 diamonds tracked in this segment
Price range: $609 to $22,319
Average price: $3,271
Median price: $2,256
Available across 8 retailers
Savings potential: up to 97.3%
Price Range Overview
As of May 30, 2026Real market range for this carat, shape, and diamond type.
355
$609
$3,271
$2,256
$22,319
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 52%IGI | 3.55ct | Princess | H | VS2 | Ideal
From $659
Compare at $1,372
Save 78.5%IGI | 3.51ct | Princess | H | VS1 | Excellent
From $703
Compare at $3,270
Save 55.9%IGI | 3.5ct | Princess | G | VS2 | Very Good
From $703
Compare at $1,595
Save 79.6%IGI | 3.59ct | Princess | H | VS1 | Excellent
From $719
Compare at $3,520
Save 61.1%IGI | 3.52ct | Princess | E | VS1 | Ideal
From $754
Compare at $1,938
Save 31.1%IGI | 3.51ct | Princess | E | VS2 | Ideal
From $756
Compare at $1,097
Save 60.6%IGI | 3.51ct | Princess | F | VVS2 | Ideal
From $756
Compare at $1,919
Save 60.6%IGI | 3.52ct | Princess | E | VS1 | Excellent
From $757
Compare at $1,922
Save 63.7%IGI | 3.54ct | Princess | E | VVS2 | Ideal
From $758
Compare at $2,090
Save 57.4%IGI | 3.53ct | Princess | E | VS2 | Very Good
From $759
Compare at $1,783
Save 29.4%IGI | 3.52ct | Princess | E | VS1 | Very Good
From $765
Compare at $1,083
Save 63.1%IGI | 3.51ct | Princess | E | VVS2 | Excellent
From $768
Compare at $2,080
Save 63.3%IGI | 3.58ct | Princess | F | VS2 | Ideal
From $769
Compare at $2,098
Save 77.6%IGI | 3.54ct | Princess | H | VVS2 | Excellent
From $769
Compare at $3,430
Save 58%IGI | 3.58ct | Princess | E | VS2 | Excellent
From $769
Compare at $1,831
Save 51.4%IGI | 3.59ct | Princess | E | VS1 | Very Good
From $771
Compare at $1,586
Save 62.3%IGI | 3.51ct | Princess | E | VVS2 | Very Good
From $771
Compare at $2,044
Save 69.2%IGI | 3.52ct | Princess | E | VVS2 | Excellent
From $774
Compare at $2,514
Save 62.2%IGI | 3.51ct | Princess | E | VVS2 | Very Good
From $774
Compare at $2,045
Save 62.3%IGI | 3.52ct | Princess | E | VVS2 | Very Good
From $774
Compare at $2,055
Save 60%IGI | 3.53ct | Princess | E | VS1 | Very Good
From $775
Compare at $1,936
Save 54%IGI | 3.6ct | Princess | H | VS2 | Ideal
From $778
Compare at $1,693
Save 57.1%IGI | 3.52ct | Princess | F | VS1 | Very Good
From $778
Compare at $1,815
Save 57.1%IGI | 3.52ct | Princess | F | VS1 | Very Good
From $778
Compare at $1,815
Save 26.2%IGI | 3.51ct | Princess | E | VVS2 | Very Good
From $779
Compare at $1,056
Save 69.2%IGI | 3.54ct | Princess | E | VS1 | Excellent
From $779
Compare at $2,529
Save 52.8%IGI | 3.55ct | Princess | G | VS2 | Very Good
From $780
Compare at $1,653
Save 69.2%IGI | 3.57ct | Princess | E | VVS2 | Very Good
From $785
Compare at $2,549
Save 76.8%IGI | 3.5ct | Princess | G | VS2 | Ideal
From $790
Compare at $3,410
Save 59.2%IGI | 3.53ct | Princess | E | VS1 | Very Good
From $791
Compare at $1,940
Save 38.4%IGI | 3.51ct | Princess | G | VS1 | Ideal
From $793
Compare at $1,288
Save 70%IGI | 3.5ct | Princess | E | VVS2 | Excellent
From $793
Compare at $2,640
Save 70%IGI | 3.5ct | Princess | E | VVS2 | Excellent
From $793
Compare at $2,640
Save 52.6%IGI | 3.52ct | Princess | H | VS2 | Ideal
From $799
Compare at $1,685
Save 72%IGI | 3.59ct | Princess | H | VS2 | Ideal
From $799
Compare at $2,860
Save 52.6%IGI | 3.53ct | Princess | H | VS2 | Ideal
From $802
Compare at $1,691
Save 52.7%IGI | 3.54ct | Princess | H | VS2 | Very Good
From $804
Compare at $1,700
Save 62%IGI | 3.57ct | Princess | E | VVS2 | Very Good
From $804
Compare at $2,115
Save 78.2%IGI | 3.57ct | Princess | G | VS2 | Ideal
From $805
Compare at $3,690
Save 70.6%IGI | 3.52ct | Princess | E | VS1 | Excellent
From $805
Compare at $2,740
Save 61.4%IGI | 3.54ct | Princess | E | VVS2 | Ideal
From $806
Compare at $2,090
Save 26.6%IGI | 3.57ct | Princess | E | VS1 | Very Good
From $808
Compare at $1,100
Save 70.6%IGI | 3.53ct | Princess | E | VS1 | Excellent
From $808
Compare at $2,747
Save 70%IGI | 3.5ct | Princess | E | VVS2 | Ideal
From $808
Compare at $2,696
Save 55.8%IGI | 3.54ct | Princess | F | VS1 | Excellent
From $810
Compare at $1,833
Save 70%IGI | 3.58ct | Princess | E | VVS2 | Very Good
From $810
Compare at $2,701
Save 70%IGI | 3.59ct | Princess | E | VVS2 | Very Good
From $812
Compare at $2,708
Save 78.9%IGI | 3.54ct | Princess | G | VS2 | Excellent
From $813
Compare at $3,860
Save 57.9%IGI | 3.52ct | Princess | F | VVS2 | Ideal
From $813
Compare at $1,933
Save 49%IGI | 3.52ct | Princess | H | VS1 | Ideal
From $817
Compare at $1,603
Entry pricing in this category starts around $609.
What to Know When Shopping for 3.5 Carat Princess Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $21,710 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 $2,256 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.
- Princess-cut diamonds are prone to chipping at the corners. Look for protective prong settings and avoid stones with visible inclusions near the edges.
Frequently Asked Questions
We currently track 355 comparable stones in this segment. Prices start around $609 and go up to $22,319.
Based on the latest market data, the average asking price is about $3,271 with a median around $2,256.
The observed spread is roughly $21,710 across tracked listings, which is about 97.3% 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 $3,271. The median price is $2,256, 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 8 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 $21,710 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 Princess diamonds.