0.3 Carat Natural Diamond Prices Comparison
As of April 2026, the average price of a 0.3 carat natural diamond is $607.0.3 carat diamonds can cost anywhere from $157 to $14,711 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 0.8%.Compare 51,930 verified listings across 6 retailers in the tables below.
0.3 Carat Natural Diamond Market Overview
CaratRadar currently tracks 51,930 verified 0.3-carat natural diamonds listed across 6 online retailers. Prices in this segment range from $157 to $14,711, with an average asking price of $607 and a median of $505.
The price spread of $14,554 (98.9% 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.
51,930 diamonds tracked in this segment
Price range: $157 to $14,711
Average price: $607
Median price: $505
Available across 6 retailers
Savings potential: up to 98.9%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
51,930
$157
$607
$505
$14,711
Price History
Price Comparison Matrix
0.3 Carat Natural 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.
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $467
Compare at $514
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $505
Compare at $529
Save 10.9%GIA | 0.3ct | Asscher | E | IF | Excellent
From $564
Compare at $633
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $516
Compare at $574
Save 10.1%GIA | 0.3ct | Asscher | F | IF | Excellent
From $521
Compare at $579
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
Save 10.1%GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $521
Compare at $579
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
GIA | 0.3ct | Asscher | F | VS1 | Excellent
From $465
Compare at $503
Save 10.1%GIA | 0.3ct | Asscher | F | IF | Excellent
From $521
Compare at $579
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $525
Compare at $579
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $478
Compare at $528
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $516
Compare at $574
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
Save 10.1%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $518
Compare at $576
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Ideal
From $570
Compare at $640
Save 10.1%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $518
Compare at $576
GIA | 0.3ct | Asscher | F | IF | Excellent
From $516
Compare at $574
GIA | 0.3ct | Asscher | E | VVS2 | Excellent
From $471
Compare at $519
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $516
Compare at $574
GIA | 0.3ct | Asscher | F | VVS1 | Ideal
From $471
Compare at $519
Save 10.7%GIA | 0.3ct | Asscher | E | VVS1 | Ideal
From $543
Compare at $608
Save 10.3%GIA | 0.3ct | Asscher | D | VVS2 | Ideal
From $525
Compare at $585
GIA | 0.3ct | Asscher | E | VVS2 | Excellent
From $480
Compare at $519
GIA | 0.3ct | Asscher | G | VVS2 | Excellent
From $470
Compare at $508
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $480
Compare at $519
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $480
Compare at $524
GIA | 0.3ct | Asscher | E | VVS2 | Excellent
From $467
Compare at $514
GIA | 0.3ct | Asscher | E | VVS2 | Excellent
From $467
Compare at $514
GIA | 0.3ct | Asscher | D | VS1 | Excellent
From $471
Compare at $519
Save 10.9%GIA | 0.3ct | Asscher | E | IF | Excellent
From $570
Compare at $640
Save 10.1%GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $521
Compare at $579
GIA | 0.3ct | Asscher | F | VVS1 | Excellent
From $471
Compare at $519
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $516
Compare at $574
GIA | 0.3ct | Asscher | F | VVS1 | Ideal
From $471
Compare at $519
Save 10.1%GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $521
Compare at $579
Save 10.9%GIA | 0.3ct | Asscher | D | VVS1 | Excellent
From $570
Compare at $640
Save 12%GIA | 0.3ct | Asscher | D | IF | Ideal
From $619
Compare at $703
GIA | 0.3ct | Asscher | E | VVS1 | Excellent
From $516
Compare at $574
Save 11.2%GIA | 0.31ct | Asscher | D | VVS1 | Ideal
From $587
Compare at $661
Save 10.6%GIA | 0.31ct | Asscher | E | VVS1 | Excellent
From $530
Compare at $593
Entry pricing in this category starts around $157.
What to Know When Shopping for 0.3 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $14,554 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 $505 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.
Frequently Asked Questions
We currently track 51,930 comparable stones in this segment. Prices start around $157 and go up to $14,711.
Based on the latest market data, the average asking price is about $607 with a median around $505.
The observed spread is roughly $14,554 across tracked listings, which is about 98.9% 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 $505, 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 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 $14,554 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.
Related Price Categories
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