0.5 Carat Lab Grown Diamond Prices Comparison
As of April 2026, the average price of a 0.5 carat lab grown diamond is $469.0.5 carat diamonds can cost anywhere from $103 to $2,459 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 1.3%.Compare 27,695 verified listings across 9 retailers in the tables below.
0.5 Carat Lab Grown Diamond Market Overview
CaratRadar currently tracks 27,695 verified 0.5-carat lab grown diamonds listed across 9 online retailers. Prices in this segment range from $103 to $2,459, with an average asking price of $469 and a median of $445.
The price spread of $2,356 (95.8% 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.
27,695 diamonds tracked in this segment
Price range: $103 to $2,459
Average price: $469
Median price: $445
Available across 9 retailers
Savings potential: up to 95.8%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
27,695
$103
$469
$445
$2,459
Price History
Price Comparison Matrix
0.5 Carat Lab Grown Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 63.7%IGI | 0.55ct | Antique | FANCY | VVS2 | Very Good
From $647
Compare at $1,780
Save 37.9%IGI | 0.5ct | Asscher | D | SI1 | Ideal
From $279
Compare at $450
Save 39%IGI | 0.5ct | Asscher | D | VVS2 | Excellent
From $382
Compare at $626
Save 39%IGI | 0.5ct | Asscher | D | VVS1 | Very Good
From $405
Compare at $663
Save 39%IGI | 0.5ct | Asscher | D | VVS2 | Very Good
From $382
Compare at $626
Save 24.5%IGI | 0.5ct | Asscher | D | VVS1 | Excellent
From $333
Compare at $441
Save 40.2%IGI | 0.5ct | Asscher | D | VS1 | Very Good
From $263
Compare at $440
Save 38.8%IGI | 0.5ct | Asscher | E | VS1 | Good
From $257
Compare at $420
Save 39.3%IGI | 0.5ct | Asscher | F | VVS2 | Very Good
From $261
Compare at $430
Save 49.2%IGI | 0.5ct | Asscher | D | VVS1 | Very Good
From $269
Compare at $530
Save 43.8%IGI | 0.5ct | Asscher | D | VS2 | Ideal
From $242
Compare at $430
Save 54.3%IGI | 0.5ct | Asscher | E | IF | Ideal
From $279
Compare at $610
Save 20.2%IGI | 0.5ct | Asscher | D | VVS2 | Ideal
From $279
Compare at $350
Save 29.8%IGI | 0.51ct | Asscher | D | IF | Ideal
From $351
Compare at $500
Save 29.8%IGI | 0.51ct | Asscher | D | IF | Ideal
From $351
Compare at $500
Save 46%IGI | 0.51ct | Asscher | D | IF | Ideal
From $351
Compare at $650
Save 23.6%IGI | 0.51ct | Asscher | D | VVS1 | Ideal
From $322
Compare at $422
Save 23.6%IGI | 0.51ct | Asscher | D | VVS1 | Ideal
From $322
Compare at $422
Save 75%IGI | 0.51ct | Asscher | D | VS2 | Excellent
From $375
Compare at $1,500
IGI | 0.51ct | Asscher | D | VVS1 | Ideal
From $398
Compare at $978
Save 59.4%IGI | 0.51ct | Asscher | D | VVS1 | Very Good
From $394
Compare at $970
Save 39%IGI | 0.51ct | Asscher | D | VS1 | Excellent
From $369
Compare at $604
Save 39%IGI | 0.51ct | Asscher | E | VVS2 | Excellent
From $369
Compare at $604
Save 59.4%IGI | 0.51ct | Asscher | D | VVS1 | Excellent
From $394
Compare at $970
Save 39.1%IGI | 0.51ct | Asscher | D | VVS2 | Ideal
From $391
Compare at $642
Save 38.9%IGI | 0.51ct | Asscher | D | VS1 | Very Good
From $367
Compare at $600
Save 59.3%IGI | 0.51ct | Asscher | D | IF | Excellent
From $400
Compare at $982
Save 59.5%IGI | 0.51ct | Asscher | D | VVS2 | Excellent
From $390
Compare at $961
Save 59.5%IGI | 0.51ct | Asscher | D | VVS2 | Excellent
From $390
Compare at $961
Save 38.9%IGI | 0.51ct | Asscher | E | VVS1 | Excellent
From $375
Compare at $614
Save 59.5%IGI | 0.51ct | Asscher | D | VVS2 | Excellent
From $390
Compare at $961
Save 39%IGI | 0.51ct | Asscher | D | VS1 | Excellent
From $369
Compare at $604
Save 46.2%IGI | 0.51ct | Asscher | D | IF | Very Good
From $350
Compare at $650
Save 33%IGI | 0.51ct | Asscher | D | VS1 | Very Good
From $358
Compare at $534
Save 67%IGI | 0.51ct | Asscher | D | VVS2 | Ideal
From $319
Compare at $965
Save 47.6%IGI | 0.51ct | Asscher | G | VS1 | Excellent
From $220
Compare at $420
Save 39.9%IGI | 0.51ct | Asscher | E | VVS2 | Very Good
From $277
Compare at $460
Save 40.7%IGI | 0.51ct | Asscher | F | VVS2 | Very Good
From $255
Compare at $430
Save 49.2%IGI | 0.51ct | Asscher | D | VVS1 | Very Good
From $274
Compare at $540
Save 37.4%IGI | 0.52ct | Asscher | E | VVS1 | Ideal
From $313
Compare at $500
Save 50.6%IGI | 0.52ct | Asscher | D | IF | Ideal
From $525
Compare at $1,064
IGI | 0.52ct | Asscher | D | VVS1 | Ideal
From $417
Compare at $984
IGI | 0.52ct | Asscher | D | VVS1 | Ideal
From $417
Compare at $984
Save 59.4%IGI | 0.52ct | Asscher | D | VVS2 | Excellent
From $397
Compare at $977
IGI | 0.52ct | Asscher | D | VVS2 | Ideal
From $380
Compare at $530
IGI | 0.52ct | Asscher | D | VVS2 | Ideal
From $360
Compare at $549
Save 59.4%IGI | 0.52ct | Asscher | D | VVS2 | Excellent
From $397
Compare at $977
Save 39%IGI | 0.52ct | Asscher | D | VVS1 | Very Good
From $421
Compare at $689
Save 32.2%IGI | 0.52ct | Asscher | D | VVS2 | Very Good
From $382
Compare at $564
IGI | 0.52ct | Asscher | D | VVS2 | Very Good
From $225
Compare at $240
Entry pricing in this category starts around $103.
What to Know When Shopping for 0.5 Carat Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $2,356 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 $445 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.
Frequently Asked Questions
We currently track 27,695 comparable stones in this segment. Prices start around $103 and go up to $2,459.
Based on the latest market data, the average asking price is about $469 with a median around $445.
The observed spread is roughly $2,356 across tracked listings, which is about 95.8% 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 $445, 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 9 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 $2,356 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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