0.5 Carat Princess Lab Grown Diamond Prices Comparison
As of April 2026, 0.5 carat princess lab grown diamonds usually range from $151 to $1,710, with an average price of $475.In the last month, prices for these diamonds are down 2%.Compare 928 verified listings across 7 retailers tracked by CaratRadar.
0.5 Carat Princess Lab Grown Diamond Market Overview
CaratRadar currently tracks 928 verified 0.5-carat princess lab grown diamonds listed across 7 online retailers. Prices in this segment range from $151 to $1,710, with an average asking price of $475 and a median of $437.
The price spread of $1,559 (91.2% 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.
928 diamonds tracked in this segment
Price range: $151 to $1,710
Average price: $475
Median price: $437
Available across 7 retailers
Savings potential: up to 91.2%
Price Range Overview
As of Apr 13, 2026Real market range for this carat, shape, and diamond type.
928
$151
$475
$437
$1,710
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 40.1%IGI | 0.5ct | Princess | E | VS1 | Ideal
From $343
Compare at $573
Save 45.7%IGI | 0.5ct | Princess | E | VVS1 | Ideal
From $288
Compare at $530
Save 21.5%IGI | 0.5ct | Princess | E | VVS1 | Ideal
From $512
Compare at $652
Save 40.2%IGI | 0.5ct | Princess | E | VVS1 | Ideal
From $390
Compare at $652
Save 25.1%IGI | 0.5ct | Princess | D | VVS1 | Ideal
From $450
Compare at $600
Save 36%IGI | 0.5ct | Princess | D | VVS1 | Ideal
From $310
Compare at $485
IGI | 0.5ct | Princess | D | VS1 | Excellent
From $242
Compare at $253
Save 75.8%IGI | 0.5ct | Princess | D | VVS1 | Ideal
From $535
Compare at $2,210
IGI | 0.5ct | Princess | D | VVS1 | Ideal
From $515
Compare at $529
IGI | 0.5ct | Princess | D | VVS1 | Ideal
From $515
Compare at $529
Save 38%IGI | 0.5ct | Princess | G | VS2 | Very Good
From $254
Compare at $410
Save 28.1%IGI | 0.5ct | Princess | D | VS1 | Very Good
From $303
Compare at $421
Save 33.7%IGI | 0.5ct | Princess | D | VVS1 | Very Good
From $339
Compare at $511
Save 17.6%IGI | 0.5ct | Princess | D | VVS1 | Very Good
From $511
Compare at $620
Save 38.4%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $296
Compare at $480
Save 24.5%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $296
Compare at $392
Save 37.5%IGI | 0.5ct | Princess | D | VVS2 | Good
From $300
Compare at $480
Save 23.5%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $300
Compare at $392
Save 36.6%IGI | 0.5ct | Princess | E | VVS2 | Very Good
From $272
Compare at $429
Save 23.9%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $267
Compare at $351
Save 23.9%IGI | 0.5ct | Princess | D | VVS2 | Excellent
From $267
Compare at $351
Save 35.3%IGI | 0.5ct | Princess | D | VVS1 | Very Good
From $343
Compare at $530
Save 37.5%IGI | 0.5ct | Princess | D | VVS2 | Good
From $300
Compare at $480
IGI | 0.5ct | Princess | D | VS1 | Excellent
From $303
Compare at $329
Save 31.5%IGI | 0.5ct | Princess | E | VVS1 | Very Good
From $329
Compare at $480
Save 37.5%IGI | 0.5ct | Princess | D | VVS2 | Good
From $300
Compare at $480
Save 80.6%IGI | 0.5ct | Princess | D | VS1 | Very Good
From $239
Compare at $1,230
Save 75.8%IGI | 0.5ct | Princess | D | VVS1 | Very Good
From $535
Compare at $2,210
Save 17.2%IGI | 0.5ct | Princess | D | VVS2 | Excellent
From $279
Compare at $337
Save 40%IGI | 0.5ct | Princess | D | VS1 | Good
From $270
Compare at $450
Save 40%IGI | 0.5ct | Princess | D | VS1 | Good
From $270
Compare at $450
Save 17.2%IGI | 0.5ct | Princess | D | VVS2 | Excellent
From $279
Compare at $337
Save 11.7%IGI | 0.5ct | Princess | D | VS1 | Excellent
From $280
Compare at $317
Save 35.2%IGI | 0.5ct | Princess | D | VS1 | Very Good
From $292
Compare at $450
Save 23.6%IGI | 0.5ct | Princess | D | VVS1 | Good
From $343
Compare at $449
Save 23.5%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $300
Compare at $392
Save 23.5%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $300
Compare at $392
Save 31.1%IGI | 0.5ct | Princess | E | VVS1 | Very Good
From $331
Compare at $480
Save 37.5%IGI | 0.5ct | Princess | D | VVS2 | Good
From $300
Compare at $480
Save 50.8%IGI | 0.5ct | Princess | E | VVS1 | Very Good
From $323
Compare at $656
Save 11.7%IGI | 0.5ct | Princess | D | VS1 | Very Good
From $280
Compare at $317
Save 40.8%IGI | 0.5ct | Princess | D | VVS2 | Good
From $320
Compare at $541
Save 14.8%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $270
Compare at $317
IGI | 0.5ct | Princess | D | VVS1 | Good
From $331
Compare at $346
Save 44.3%IGI | 0.5ct | Princess | D | VVS1 | Very Good
From $295
Compare at $530
Save 18.4%IGI | 0.5ct | Princess | D | VS1 | Very Good
From $269
Compare at $330
Save 51%IGI | 0.5ct | Princess | D | VVS2 | Good
From $235
Compare at $480
Save 44.4%IGI | 0.5ct | Princess | E | VVS2 | Excellent
From $290
Compare at $521
Save 14.8%IGI | 0.5ct | Princess | D | VVS2 | Very Good
From $270
Compare at $317
Save 20.2%IGI | 0.5ct | Princess | E | VVS2 | Very Good
From $272
Compare at $341
Entry pricing in this category starts around $151.
What to Know When Shopping for 0.5 Carat Princess Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $1,559 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 $437 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 928 comparable stones in this segment. Prices start around $151 and go up to $1,710.
Based on the latest market data, the average asking price is about $475 with a median around $437.
The observed spread is roughly $1,559 across tracked listings, which is about 91.2% 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 $437, 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 7 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 $1,559 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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