0.5 Carat Heart Lab Grown Diamond Prices Comparison
As of May 2026, 0.5 carat heart lab grown diamonds usually range from $102 to $1,310, with an average price of $441.In the last month, prices for these diamonds are down 3.9%.Compare 709 verified listings across 6 retailers tracked by CaratRadar.
0.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 709 verified 0.5-carat heart lab grown diamonds listed across 6 online retailers. Prices in this segment range from $102 to $1,310, with an average asking price of $441 and a median of $419.
The price spread of $1,208 (92.2% 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.
709 diamonds tracked in this segment
Price range: $102 to $1,310
Average price: $441
Median price: $419
Available across 6 retailers
Savings potential: up to 92.2%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
709
$102
$441
$419
$1,310
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 67.1%IGI | 0.53ct | Heart | D | SI1 | Very Good
From $102
Compare at $310
Save 75.2%IGI | 0.56ct | Heart | D | VS2 | Very Good
From $119
Compare at $480
Save 55.6%IGI | 0.5ct | Heart | D | SI1 | Ideal
From $120
Compare at $270
Save 71.8%IGI | 0.52ct | Heart | D | VS1 | Very Good
From $120
Compare at $426
Save 71.8%IGI | 0.52ct | Heart | D | VS1 | Very Good
From $120
Compare at $426
Save 74.8%IGI | 0.57ct | Heart | D | VS2 | Very Good
From $121
Compare at $480
Save 74%IGI | 0.55ct | Heart | D | VS2 | Very Good
From $122
Compare at $470
Save 70.2%IGI | 0.5ct | Heart | F | VS1 | Very Good
From $122
Compare at $410
Save 71.5%IGI | 0.5ct | Heart | H | VVS2 | Very Good
From $125
Compare at $438
Save 73.2%IGI | 0.55ct | Heart | D | VS2 | Very Good
From $126
Compare at $470
Save 54.5%IGI | 0.52ct | Heart | D | VVS2 | Very Good
From $126
Compare at $277
Save 74.1%IGI | 0.57ct | Heart | D | VS1 | Very Good
From $127
Compare at $490
Save 74.1%IGI | 0.56ct | Heart | D | VS1 | Very Good
From $127
Compare at $490
Save 73.5%IGI | 0.56ct | Heart | D | VS1 | Very Good
From $130
Compare at $490
Save 71.1%IGI | 0.56ct | Heart | D | VS1 | Very Good
From $130
Compare at $450
Save 71.2%IGI | 0.59ct | Heart | D | VS2 | Very Good
From $130
Compare at $451
Save 71.1%IGI | 0.56ct | Heart | D | VS1 | Good
From $130
Compare at $450
Save 71.1%IGI | 0.56ct | Heart | D | VS1 | Very Good
From $130
Compare at $450
Save 75.3%IGI | 0.55ct | Heart | D | VVS2 | Excellent
From $131
Compare at $530
Save 46.3%IGI | 0.54ct | Heart | E | SI1 | Good
From $132
Compare at $246
Save 70.7%IGI | 0.53ct | Heart | E | VS1 | Very Good
From $132
Compare at $450
Save 70.9%IGI | 0.53ct | Heart | E | VVS2 | Very Good
From $134
Compare at $460
Save 48.9%IGI | 0.52ct | Heart | E | VVS2 | Very Good
From $135
Compare at $264
Save 60.2%IGI | 0.5ct | Heart | D | VS2 | Very Good
From $137
Compare at $344
Save 59.1%IGI | 0.5ct | Heart | D | VS2 | Excellent
From $137
Compare at $335
Save 59.1%IGI | 0.5ct | Heart | D | VS2 | Very Good
From $137
Compare at $335
Save 63.8%IGI | 0.5ct | Heart | E | VS2 | Good
From $140
Compare at $387
Save 71.8%IGI | 0.58ct | Heart | E | VVS2 | Excellent
From $141
Compare at $500
Save 59.5%IGI | 0.5ct | Heart | D | VS1 | Very Good
From $141
Compare at $348
Save 66.4%IGI | 0.58ct | Heart | D | VVS2 | Very Good
From $142
Compare at $423
Save 53.5%IGI | 0.5ct | Heart | D | SI1 | Ideal
From $144
Compare at $310
Save 66.4%IGI | 0.53ct | Heart | D | VS2 | Very Good
From $144
Compare at $429
Save 67.3%IGI | 0.51ct | Heart | D | VS1 | Excellent
From $144
Compare at $440
Save 66.4%IGI | 0.53ct | Heart | D | VS2 | Very Good
From $144
Compare at $429
Save 73.6%IGI | 0.57ct | Heart | D | VVS2 | Excellent
From $145
Compare at $550
Save 70%IGI | 0.51ct | Heart | D | VVS2 | Good
From $147
Compare at $490
Save 66.2%IGI | 0.54ct | Heart | D | VS2 | Excellent
From $147
Compare at $435
Save 68%IGI | 0.54ct | Heart | D | VS2 | Excellent
From $147
Compare at $460
Save 66.6%IGI | 0.55ct | Heart | D | VS2 | Very Good
From $148
Compare at $443
Save 60.1%IGI | 0.55ct | Heart | G | VS2 | Very Good
From $148
Compare at $371
Save 66.4%IGI | 0.5ct | Heart | D | VS2 | Excellent
From $148
Compare at $441
Save 66.4%IGI | 0.5ct | Heart | D | VS2 | Very Good
From $148
Compare at $441
Save 67.6%IGI | 0.53ct | Heart | D | VS1 | Excellent
From $149
Compare at $460
Save 59.6%IGI | 0.53ct | Heart | D | VS1 | Very Good
From $149
Compare at $369
Save 59.1%IGI | 0.5ct | Heart | E | VVS2 | Good
From $151
Compare at $369
Save 60.2%IGI | 0.55ct | Heart | F | VS2 | Very Good
From $151
Compare at $379
Save 66.6%IGI | 0.57ct | Heart | D | VS2 | Very Good
From $151
Compare at $452
Save 64.1%IGI | 0.53ct | Heart | D | VS1 | Very Good
From $151
Compare at $421
Save 59.7%IGI | 0.5ct | Heart | F | VS1 | Very Good
From $151
Compare at $375
Save 64.1%IGI | 0.55ct | Heart | E | VS1 | Very Good
From $151
Compare at $421
Entry pricing in this category starts around $102.
What to Know When Shopping for 0.5 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $1,208 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 $419 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.
- Heart-shaped diamonds require excellent symmetry to look balanced. Aim for carat weights above 0.5 where the shape is clearly visible.
Frequently Asked Questions
We currently track 709 comparable stones in this segment. Prices start around $102 and go up to $1,310.
Based on the latest market data, the average asking price is about $441 with a median around $419.
The observed spread is roughly $1,208 across tracked listings, which is about 92.2% 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 $441. The median price is $419, 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 6 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 $1,208 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 0.5 carat Heart diamonds.