0.3 Carat Heart Natural Diamond Prices Comparison
As of April 2026, 0.3 carat heart natural diamonds usually range from $283 to $11,430, with an average price of $747.In the last month, prices for these diamonds are up 2%.Compare 1,037 verified listings across 5 retailers tracked by CaratRadar.
0.3 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 1,037 verified 0.3-carat heart natural diamonds listed across 5 online retailers. Prices in this segment range from $283 to $11,430, with an average asking price of $747 and a median of $690.
The price spread of $11,147 (97.5% 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.
1,037 diamonds tracked in this segment
Price range: $283 to $11,430
Average price: $747
Median price: $690
Available across 5 retailers
Savings potential: up to 97.5%
Price Range Overview
As of Apr 15, 2026Real market range for this carat, shape, and diamond type.
1,037
$283
$747
$690
$11,430
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA | 0.3ct | Heart | D | SI2 | Excellent
From $513
Compare at $521
GIA | 0.3ct | Heart | D | VS2 | Excellent
From $563
Compare at $621
GIA | 0.3ct | Heart | F | VS1 | Ideal
From $450
Compare at $488
GIA | 0.3ct | Heart | G | VVS1 | Ideal
From $467
Compare at $495
GIA | 0.3ct | Heart | I | VVS2 | Very Good
From $370
Compare at $383
GIA | 0.3ct | Heart | F | VS1 | Ideal
From $495
Compare at $540
GIA | 0.3ct | Heart | H | VS1 | Ideal
From $420
Compare at $456
GIA | 0.3ct | Heart | F | VVS1 | Ideal
From $477
Compare at $500
GIA | 0.3ct | Heart | H | VS1 | Excellent
From $440
Compare at $482
GIA | 0.3ct | Heart | D | VVS2 | Excellent
From $512
Compare at $546
GIA | 0.3ct | Heart | G | VS2 | Ideal
From $410
Compare at $443
Save 15.4%GIA | 0.3ct | Heart | D | VVS1 | Ideal
From $600
Compare at $709
Save 10.5%GIA | 0.3ct | Heart | E | SI2 | Excellent
From $540
Compare at $603
GIA | 0.3ct | Heart | D | VVS2 | Very Good
From $491
Compare at $544
Save 10.2%GIA | 0.3ct | Heart | F | VVS2 | Ideal
From $529
Compare at $589
GIA | 0.3ct | Heart | E | IF | Ideal
From $724
Compare at $789
Save 20.1%GIA | 0.3ct | Heart | D | VVS2 | Excellent
From $702
Compare at $878
GIA | 0.3ct | Heart | E | SI1 | Excellent
From $544
Compare at $549
GIA | 0.3ct | Heart | G | VS1 | Excellent
From $474
Compare at $523
Save 13.7%GIA | 0.3ct | Heart | H | VVS2 | Excellent
From $463
Compare at $537
Save 11.1%GIA | 0.3ct | Heart | D | VS1 | Ideal
From $580
Compare at $652
GIA | 0.3ct | Heart | G | VS2 | Excellent
From $350
Compare at $362
GIA | 0.3ct | Heart | G | VS2 | Ideal
From $350
Compare at $358
GIA | 0.3ct | Heart | D | VS1 | Ideal
From $515
Compare at $549
GIA | 0.3ct | Heart | I | VS1 | Ideal
From $370
Compare at $391
GIA | 0.3ct | Heart | E | VS2 | Excellent
From $465
Compare at $506
GIA | 0.3ct | Heart | G | VS2 | Ideal
From $465
Compare at $505
GIA | 0.3ct | Heart | G | VS1 | Ideal
From $380
Compare at $396
GIA | 0.3ct | Heart | G | VVS2 | Excellent
From $468
Compare at $510
GIA | 0.3ct | Heart | D | VVS1 | Ideal
From $552
Compare at $589
GIA | 0.3ct | Heart | G | SI1 | Ideal
From $400
Compare at $427
GIA | 0.3ct | Heart | E | VVS2 | Very Good
From $460
Compare at $475
GIA | 0.3ct | Heart | H | VS2 | Ideal
From $370
Compare at $382
Save 11.9%GIA | 0.3ct | Heart | F | VVS1 | Excellent
From $614
Compare at $697
GIA | 0.3ct | Heart | F | SI1 | Ideal
From $360
Compare at $370
GIA | 0.3ct | Heart | G | VS1 | Excellent
From $485
Compare at $535
GIA | 0.3ct | Heart | F | VS2 | Very Good
From $460
Compare at $501
GIA | 0.3ct | Heart | F | VS2 | Excellent
From $494
Compare at $524
Save 10.1%GIA | 0.3ct | Heart | D | VVS2 | Excellent
From $518
Compare at $576
GIA | 0.3ct | Heart | H | VVS1 | Ideal
From $495
Compare at $549
GIA | 0.3ct | Heart | F | VS1 | Excellent
From $370
Compare at $378
Save 35.3%GIA | 0.3ct | Heart | D | VVS1 | Excellent
From $659
Compare at $1,018
Save 20.1%GIA | 0.3ct | Heart | D | VVS2 | Excellent
From $702
Compare at $878
GIA | 0.3ct | Heart | F | SI1 | Ideal
From $360
Compare at $364
GIA | 0.3ct | Heart | G | VS2 | Ideal
From $410
Compare at $436
GIA | 0.3ct | Heart | I | VS2 | Ideal
From $360
Compare at $370
GIA | 0.3ct | Heart | G | VS2 | Ideal
From $400
Compare at $428
GIA | 0.3ct | Heart | E | VS2 | Ideal
From $494
Compare at $540
Save 15.6%GIA | 0.3ct | Heart | E | IF | Ideal
From $553
Compare at $655
Save 12.9%GIA | 0.3ct | Heart | E | VVS1 | Excellent
From $540
Compare at $620
Entry pricing in this category starts around $283.
What to Know When Shopping for 0.3 Carat Heart Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $11,147 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 $690 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 1,037 comparable stones in this segment. Prices start around $283 and go up to $11,430.
Based on the latest market data, the average asking price is about $747 with a median around $690.
The observed spread is roughly $11,147 across tracked listings, which is about 97.5% 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 $690, 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 5 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 $11,147 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 0.3 carat Heart diamonds.