0.4 Carat Princess Lab Grown Diamond Prices Comparison
As of July 2026, 0.4 carat princess lab grown diamonds usually range from $88 to $1,008, with an average price of $387.In the last month, prices for these diamonds are down 0.2%.Compare 259 verified listings across 3 retailers tracked by CaratRadar.
0.4 Carat Princess Lab Grown Diamond Market Overview
CaratRadar currently tracks 259 verified 0.4-carat princess lab grown diamonds listed across 3 online retailers. Prices in this segment range from $88 to $1,008, with an average asking price of $387 and a median of $358.
The price spread of $920 (91.3% 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.
259 diamonds tracked in this segment
Price range: $88 to $1,008
Average price: $387
Median price: $358
Available across 3 retailers
Savings potential: up to 91.3%
Price Range Overview
As of Jul 11, 2026Real market range for this carat, shape, and diamond type.
259
$88
$387
$358
$1,008
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 80%IGI | 0.45ct | Princess | E | VS1 | Very Good
From $102
Compare at $509
Save 78.1%IGI | 0.46ct | Princess | D | SI1 | Good
From $103
Compare at $471
Save 78%IGI | 0.47ct | Princess | D | SI1 | Very Good
From $105
Compare at $477
Save 78%IGI | 0.47ct | Princess | D | SI1 | Very Good
From $105
Compare at $477
Save 71.4%IGI | 0.42ct | Princess | E | VVS2 | Very Good
From $106
Compare at $370
Save 71.3%IGI | 0.43ct | Princess | E | VVS2 | Very Good
From $109
Compare at $380
Save 15.4%IGI | 0.41ct | Princess | I | VVS2 | Good
From $110
Compare at $130
Save 78.8%IGI | 0.48ct | Princess | E | VVS2 | Ideal
From $111
Compare at $523
Save 69.2%IGI | 0.41ct | Princess | D | VS1 | Excellent
From $111
Compare at $360
Save 79.3%IGI | 0.46ct | Princess | E | VS1 | Good
From $111
Compare at $537
Save 58.9%IGI | 0.43ct | Princess | D | VVS2 | Very Good
From $111
Compare at $270
Save 70.3%IGI | 0.44ct | Princess | D | VVS2 | Good
From $113
Compare at $380
Save 58.1%IGI | 0.44ct | Princess | D | VVS2 | Ideal
From $113
Compare at $270
Save 65.2%IGI | 0.45ct | Princess | D | VVS2 | Ideal
From $115
Compare at $330
Save 79%IGI | 0.46ct | Princess | D | VVS2 | Excellent
From $118
Compare at $563
Save 79.1%IGI | 0.47ct | Princess | E | VVS2 | Ideal
From $118
Compare at $564
Save 79.9%IGI | 0.47ct | Princess | D | VVS2 | Very Good
From $120
Compare at $597
Save 76.7%IGI | 0.45ct | Princess | I | VVS2 | Ideal
From $120
Compare at $516
Save 79.9%IGI | 0.47ct | Princess | D | VVS2 | Very Good
From $120
Compare at $597
Save 67.6%IGI | 0.41ct | Princess | D | VVS2 | Good
From $120
Compare at $370
Save 57.1%IGI | 0.46ct | Princess | E | VVS2 | Ideal
From $120
Compare at $280
Save 69.2%IGI | 0.46ct | Princess | E | VVS2 | Good
From $120
Compare at $390
Save 66.7%IGI | 0.47ct | Princess | D | VVS2 | Very Good
From $120
Compare at $360
Save 72.3%IGI | 0.47ct | Princess | E | VVS2 | Very Good
From $122
Compare at $441
Save 78.7%IGI | 0.48ct | Princess | D | VVS2 | Very Good
From $122
Compare at $573
Save 78.7%IGI | 0.48ct | Princess | D | VVS2 | Very Good
From $122
Compare at $573
Save 74.4%IGI | 0.44ct | Princess | D | VS1 | Ideal
From $123
Compare at $481
Save 65.8%IGI | 0.48ct | Princess | D | VVS2 | Ideal
From $123
Compare at $360
Save 27.5%IGI | 0.43ct | Princess | E | VS1 | Ideal
From $124
Compare at $171
Save 76.7%IGI | 0.44ct | Princess | D | VS1 | Good
From $124
Compare at $532
Save 17.3%IGI | 0.43ct | Princess | F | VS1 | Very Good
From $124
Compare at $150
Save 76.7%IGI | 0.43ct | Princess | E | VS2 | Very Good
From $124
Compare at $533
Save 74.3%IGI | 0.49ct | Princess | D | VVS2 | Very Good
From $125
Compare at $487
Save 78.7%IGI | 0.49ct | Princess | E | VS2 | Very Good
From $125
Compare at $588
Save 78.5%IGI | 0.45ct | Princess | D | VS1 | Good
From $126
Compare at $585
Save 76.7%IGI | 0.46ct | Princess | F | VVS2 | Ideal
From $129
Compare at $554
Save 76.4%IGI | 0.49ct | Princess | D | VS2 | Good
From $129
Compare at $547
Save 76.5%IGI | 0.41ct | Princess | E | VS1 | Good
From $129
Compare at $549
Save 48.4%IGI | 0.48ct | Princess | E | VVS2 | Good
From $129
Compare at $250
Save 48.4%IGI | 0.48ct | Princess | E | VVS2 | Very Good
From $129
Compare at $250
Save 74.5%IGI | 0.47ct | Princess | E | VS1 | Very Good
From $130
Compare at $509
Save 55.2%IGI | 0.44ct | Princess | D | VVS2 | Good
From $130
Compare at $290
Save 74.5%IGI | 0.47ct | Princess | E | VVS2 | Ideal
From $132
Compare at $518
Save 76.3%IGI | 0.47ct | Princess | D | VS1 | Very Good
From $132
Compare at $557
Save 67.8%IGI | 0.49ct | Princess | E | VS1 | Ideal
From $132
Compare at $410
Save 69.8%IGI | 0.45ct | Princess | D | VVS2 | Good
From $132
Compare at $437
Save 76%IGI | 0.41ct | Princess | D | VVS2 | Very Good
From $132
Compare at $549
Save 76%IGI | 0.41ct | Princess | D | VVS2 | Good
From $132
Compare at $549
Save 48.2%IGI | 0.49ct | Princess | E | VVS2 | Ideal
From $132
Compare at $255
Save 76.6%IGI | 0.48ct | Princess | D | VS1 | Very Good
From $134
Compare at $573
Entry pricing in this category starts around $88.
What to Know When Shopping for 0.4 Carat Princess Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $920 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 $358 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 259 comparable stones in this segment. Prices start around $88 and go up to $1,008.
Based on the latest market data, the average asking price is about $387 with a median around $358.
The observed spread is roughly $920 across tracked listings, which is about 91.3% 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 $387. The median price is $358, 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 3 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 $920 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 0.4 carat Princess diamonds.