0.5 Carat Heart Natural Diamond Prices Comparison
As of May 2026, 0.5 carat heart natural diamonds usually range from $352 to $2,163, with an average price of $860.In the last month, prices for these diamonds are down 1.6%.Compare 2,181 verified listings across 7 retailers tracked by CaratRadar.
0.5 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 2,181 verified 0.5-carat heart natural diamonds listed across 7 online retailers. Prices in this segment range from $352 to $2,163, with an average asking price of $860 and a median of $805.
The price spread of $1,811 (83.7% 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.
2,181 diamonds tracked in this segment
Price range: $352 to $2,163
Average price: $860
Median price: $805
Available across 7 retailers
Savings potential: up to 83.7%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
2,181
$352
$860
$805
$2,163
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 30%GIA | 0.5ct | Heart | K | VVS2 | Very Good
From $364
Compare at $520
Save 32.1%GIA | 0.5ct | Heart | I | SI1 | Good
From $387
Compare at $570
Save 20.9%GIA | 0.5ct | Heart | K | SI2 | Excellent
From $393
Compare at $497
Save 19%GIA | 0.5ct | Heart | L | IF | Good
From $427
Compare at $527
Save 23.9%GIA | 0.51ct | Heart | I | SI1 | Ideal
From $430
Compare at $565
Save 10.5%GIA | 0.5ct | Heart | I | SI2 | Ideal
From $430
Compare at $480
Save 14.5%GIA | 0.5ct | Heart | K | VS2 | Ideal
From $435
Compare at $509
Save 27.9%GIA | 0.51ct | Heart | K | SI1 | Excellent
From $435
Compare at $603
Save 35.3%GIA | 0.56ct | Heart | I | SI1 | Excellent
From $436
Compare at $674
Save 13.6%GIA | 0.5ct | Heart | H | SI2 | Very Good
From $437
Compare at $506
Save 19.8%GIA | 0.5ct | Heart | K | VS2 | Very Good
From $437
Compare at $545
Save 24.3%GIA | 0.5ct | Heart | I | SI1 | Ideal
From $439
Compare at $580
Save 18.7%GIA | 0.5ct | Heart | G | SI1 | Very Good
From $439
Compare at $540
Save 43.3%GIA | 0.5ct | Heart | K | VVS1 | Excellent
From $440
Compare at $776
Save 32.8%GIA | 0.53ct | Heart | F | SI1 | Excellent
From $447
Compare at $665
Save 41%GIA | 0.51ct | Heart | G | SI1 | Excellent
From $447
Compare at $757
Save 24.7%GIA | 0.51ct | Heart | I | SI1 | Very Good
From $448
Compare at $595
Save 24.7%GIA | 0.5ct | Heart | H | SI1 | Very Good
From $448
Compare at $595
Save 24.7%GIA | 0.5ct | Heart | H | SI1 | Very Good
From $448
Compare at $595
Save 23.9%GIA | 0.5ct | Heart | G | SI1 | Ideal
From $449
Compare at $590
Save 26.9%GIA | 0.5ct | Heart | K | SI1 | Excellent
From $450
Compare at $616
Save 34.2%GIA | 0.5ct | Heart | D | SI1 | Excellent
From $457
Compare at $695
GIA | 0.5ct | Heart | K | SI1 | Excellent
From $457
Compare at $504
Save 30.2%GIA | 0.5ct | Heart | G | SI1 | Ideal
From $457
Compare at $655
Save 40.2%GIA | 0.52ct | Heart | G | SI2 | Excellent
From $457
Compare at $764
Save 16.1%GIA | 0.5ct | Heart | G | SI1 | Excellent
From $460
Compare at $549
Save 14.9%GIA | 0.5ct | Heart | E | SI2 | Excellent
From $460
Compare at $541
Save 25%GIA | 0.5ct | Heart | K | VVS2 | Very Good
From $465
Compare at $620
Save 21.7%GIA | 0.51ct | Heart | I | SI1 | Very Good
From $466
Compare at $595
Save 38.1%GIA | 0.53ct | Heart | I | SI1 | Excellent
From $466
Compare at $753
GIA | 0.5ct | Heart | K | VVS1 | Excellent
From $466
Compare at $470
Save 27%GIA | 0.51ct | Heart | H | SI1 | Ideal
From $467
Compare at $640
Save 15.6%GIA | 0.5ct | Heart | J | VS1 | Excellent
From $467
Compare at $554
Save 29%GIA | 0.5ct | Heart | L | VVS1 | Excellent
From $467
Compare at $658
Save 32.3%GIA | 0.5ct | Heart | E | SI1 | Excellent
From $467
Compare at $690
Save 13.2%GIA | 0.5ct | Heart | K | VVS2 | Ideal
From $468
Compare at $539
Save 23.7%GIA | 0.5ct | Heart | I | VS1 | Very Good
From $469
Compare at $615
Save 37%GIA | 0.5ct | Heart | J | VVS1 | Very Good
From $469
Compare at $745
Save 35.4%GIA | 0.52ct | Heart | K | VVS1 | Excellent
From $471
Compare at $729
Save 14.6%GIA | 0.5ct | Heart | E | SI2 | Excellent
From $472
Compare at $552
Save 25.9%GIA | 0.5ct | Heart | K | VVS1 | Ideal
From $473
Compare at $638
Save 21.3%GIA | 0.51ct | Heart | H | SI1 | Very Good
From $476
Compare at $605
GIA | 0.51ct | Heart | K | IF | Excellent
From $477
Compare at $485
Save 36.7%GIA | 0.5ct | Heart | G | SI1 | Very Good
From $478
Compare at $755
GIA | 0.5ct | Heart | H | SI1 | Ideal
From $479
Compare at $490
Save 21.5%GIA | 0.5ct | Heart | I | VS1 | Very Good
From $479
Compare at $610
Save 36.4%GIA | 0.5ct | Heart | J | VVS1 | Very Good
From $480
Compare at $755
Save 11.3%GIA | 0.59ct | Heart | J | SI2 | Ideal
From $480
Compare at $541
Save 14.5%GIA | 0.5ct | Heart | I | SI2 | Very Good
From $480
Compare at $561
Save 30.9%GIA | 0.5ct | Heart | J | VVS2 | Excellent
From $481
Compare at $696
Entry pricing in this category starts around $352.
What to Know When Shopping for 0.5 Carat Heart Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $1,811 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 $805 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- 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 2,181 comparable stones in this segment. Prices start around $352 and go up to $2,163.
Based on the latest market data, the average asking price is about $860 with a median around $805.
The observed spread is roughly $1,811 across tracked listings, which is about 83.7% 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 $860. The median price is $805, 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 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 $1,811 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 Natural inventory for 0.5 carat Heart diamonds.