0.5 Carat Round Natural Diamond Prices Comparison
As of February 2026, 0.5 carat round natural diamonds usually range from $307 to $2,876, with an average price of $927.In the last month, prices for these diamonds are down 1.6%.Compare 13,440 verified listings across 6 retailers tracked by CaratRadar.
0.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 13,440 verified 0.5-carat round natural diamonds listed across 6 online retailers. Prices in this segment range from $307 to $2,876, with an average asking price of $927 and a median of $875.
The price spread of $2,569 (89.3% 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.
13,440 diamonds tracked in this segment
Price range: $307 to $2,876
Average price: $927
Median price: $875
Available across 6 retailers
Savings potential: up to 89.3%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
13,440
$307
$927
$875
$2,876
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIASave 11.5%0.46ct | Round | D | VS1 | Ideal
From $814
Compare at $920
GIASave 15.8%0.46ct | Round | F | VVS1 | Ideal
From $871
Compare at $1,034
GIASave 20.5%0.46ct | Round | L | VVS2 | Ideal
From $398
Compare at $501
GIASave 45.8%0.46ct | Round | H | VVS2 | Ideal
From $604
Compare at $1,114
GIASave 17.8%0.46ct | Round | I | VS2 | Ideal
From $551
Compare at $670
GIASave 30.7%0.46ct | Round | G | VVS2 | Ideal
From $944
Compare at $1,362
GIASave 26.3%0.46ct | Round | D | VS1 | Ideal
From $814
Compare at $1,105
GIASave 10.5%0.46ct | Round | D | VVS1 | Ideal
From $1,271
Compare at $1,420
GIASave 30.3%0.46ct | Round | D | VS2 | Ideal
From $707
Compare at $1,014
GIA0.46ct | Round | D | VVS1 | Ideal
From $1,272
Compare at $1,366
GIASave 25.6%0.46ct | Round | D | VS1 | Ideal
From $814
Compare at $1,095
GIASave 17.1%0.46ct | Round | K | SI2 | Very Good
From $380
Compare at $458
GIA0.46ct | Round | E | SI1 | Ideal
From $580
Compare at $604
GIASave 20.8%0.46ct | Round | G | SI1 | Very Good
From $530
Compare at $669
GIA0.46ct | Round | I | SI2 | Ideal
From $477
Compare at $488
GIASave 17.4%0.46ct | Round | I | SI2 | Ideal
From $389
Compare at $471
GIA0.46ct | Round | J | SI2 | Excellent
From $429
Compare at $467
GIA0.46ct | Round | D | VVS2 | Excellent
From $881
Compare at $953
GIASave 26.2%0.46ct | Round | F | VVS2 | Excellent
From $816
Compare at $1,105
GIA0.46ct | Round | D | VS2 | Very Good
From $720
Compare at $728
GIASave 49%0.46ct | Round | H | VVS1 | Ideal
From $699
Compare at $1,371
GIASave 42.3%0.46ct | Round | G | VVS1 | Ideal
From $742
Compare at $1,286
GIASave 12.3%0.46ct | Round | F | VVS2 | Excellent
From $872
Compare at $995
GIASave 10.2%0.46ct | Round | J | SI2 | Very Good
From $501
Compare at $558
GIA0.46ct | Round | E | SI1 | Very Good
From $590
Compare at $629
GIA0.46ct | Round | G | SI1 | Ideal
From $505
Compare at $530
GIASave 15.4%0.46ct | Round | E | VVS2 | Excellent
From $899
Compare at $1,063
GIASave 13.9%0.46ct | Round | G | SI1 | Very Good
From $475
Compare at $552
GIA0.46ct | Round | E | SI1 | Ideal
From $590
Compare at $604
GIA0.46ct | Round | D | VS2 | Very Good
From $740
Compare at $806
GIA0.46ct | Round | G | VS2 | Very Good
From $610
Compare at $650
GIASave 10.9%0.46ct | Round | I | SI1 | Excellent
From $475
Compare at $533
GIASave 22.1%0.46ct | Round | D | VS1 | Very Good
From $620
Compare at $796
GIASave 24.9%0.46ct | Round | D | VS1 | Ideal
From $814
Compare at $1,084
GIA0.46ct | Round | G | VS2 | Very Good
From $620
Compare at $650
GIA0.46ct | Round | G | VS1 | Very Good
From $710
Compare at $761
GIASave 56.8%0.46ct | Round | H | VS1 | Ideal
From $580
Compare at $1,344
GIA0.46ct | Round | G | VVS1 | Ideal
From $884
Compare at $966
GIASave 10.1%0.46ct | Round | D | VVS1 | Ideal
From $1,240
Compare at $1,380
GIASave 13.6%0.46ct | Round | E | VVS2 | Ideal
From $899
Compare at $1,040
GIASave 16.8%0.46ct | Round | G | VS1 | Very Good
From $710
Compare at $853
GIA0.46ct | Round | G | VS2 | Ideal
From $668
Compare at $670
GIASave 22.6%0.46ct | Round | G | VS1 | Very Good
From $660
Compare at $853
GIA0.46ct | Round | D | VS2 | Very Good
From $736
Compare at $740
GIASave 22.7%0.46ct | Round | G | VS2 | Ideal
From $630
Compare at $815
GIASave 21.8%0.46ct | Round | D | VS1 | Very Good
From $800
Compare at $1,023
GIASave 14.4%0.46ct | Round | F | VS1 | Ideal
From $794
Compare at $927
GIASave 26.3%0.46ct | Round | D | VS1 | Ideal
From $814
Compare at $1,105
GIASave 33.3%0.46ct | Round | E | IF | Ideal
From $1,230
Compare at $1,844
GIASave 15.2%0.46ct | Round | F | VS1 | Ideal
From $794
Compare at $936
Entry pricing in this category starts around $307.
What to Know When Shopping for 0.5 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $2,569 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 $875 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.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 13,440 comparable stones in this segment. Prices start around $307 and go up to $2,876.
Based on the latest market data, the average asking price is about $927 with a median around $875.
The observed spread is roughly $2,569 across tracked listings, which is about 89.3% 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 $875, 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 $2,569 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 Round diamonds.