0.5 Carat Radiant Natural Diamond Prices Comparison
As of April 2026, 0.5 carat radiant natural diamonds usually range from $346 to $3,396, with an average price of $995.In the last month, prices for these diamonds are down 2.3%.Compare 1,493 verified listings across 6 retailers tracked by CaratRadar.
0.5 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 1,493 verified 0.5-carat radiant natural diamonds listed across 6 online retailers. Prices in this segment range from $346 to $3,396, with an average asking price of $995 and a median of $940.
The price spread of $3,050 (89.8% 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.
1,493 diamonds tracked in this segment
Price range: $346 to $3,396
Average price: $995
Median price: $940
Available across 6 retailers
Savings potential: up to 89.8%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
1,493
$346
$995
$940
$3,396
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 24.9%GIA | 0.5ct | Radiant | H | VS2 | Very Good
From $983
Compare at $1,308
Save 17.7%GIA | 0.5ct | Radiant | D | VVS1 | Very Good
From $814
Compare at $989
Save 23.9%GIA | 0.5ct | Radiant | H | SI1 | Excellent
From $670
Compare at $880
Save 22.3%GIA | 0.5ct | Radiant | G | SI2 | Good
From $545
Compare at $701
Save 25.1%GIA | 0.5ct | Radiant | H | VVS2 | Excellent
From $1,184
Compare at $1,581
Save 27.8%GIA | 0.5ct | Radiant | D | VS2 | Excellent
From $1,310
Compare at $1,815
Save 20.4%GIA | 0.5ct | Radiant | F | SI1 | Excellent
From $788
Compare at $990
Save 21.4%GIA | 0.5ct | Radiant | H | VS1 | Very Good
From $762
Compare at $970
Save 23.9%GIA | 0.5ct | Radiant | I | SI1 | Excellent
From $872
Compare at $1,146
Save 24.9%GIA | 0.5ct | Radiant | I | SI1 | Excellent
From $668
Compare at $890
Save 27.9%GIA | 0.5ct | Radiant | G | IF | Excellent
From $1,441
Compare at $1,999
Save 15.5%GIA | 0.5ct | Radiant | D | SI1 | Ideal
From $659
Compare at $780
GIA | 0.5ct | Radiant | G | SI2 | Good
From $471
Compare at $476
GIA | 0.5ct | Radiant | I | VS1 | Ideal
From $724
Compare at $725
Save 14.2%GIA | 0.5ct | Radiant | L | VVS1 | Very Good
From $545
Compare at $635
GIA | 0.5ct | Radiant | E | SI2 | Very Good
From $636
Compare at $657
Save 18.6%GIA | 0.5ct | Radiant | F | SI2 | Excellent
From $553
Compare at $679
GIA | 0.5ct | Radiant | H | VVS2 | Ideal
From $809
Compare at $860
Save 22.2%GIA | 0.5ct | Radiant | E | VS1 | Ideal
From $778
Compare at $1,000
GIA | 0.5ct | Radiant | F | VVS2 | Very Good
From $694
Compare at $695
Save 19.8%GIA | 0.5ct | Radiant | J | VVS1 | Ideal
From $498
Compare at $621
Save 56.5%GIA | 0.5ct | Radiant | E | VVS2 | Ideal
From $779
Compare at $1,790
Save 21.2%GIA | 0.5ct | Radiant | F | VS1 | Very Good
From $666
Compare at $845
Save 15.2%GIA | 0.5ct | Radiant | F | VS2 | Excellent
From $674
Compare at $795
Save 27.8%GIA | 0.5ct | Radiant | D | VVS2 | Excellent
From $944
Compare at $1,308
GIA | 0.5ct | Radiant | F | IF | Excellent
From $1,001
Compare at $1,005
Save 18.6%GIA | 0.5ct | Radiant | E | VS2 | Excellent
From $967
Compare at $1,188
Save 39.3%GIA | 0.5ct | Radiant | F | VS2 | Very Good
From $670
Compare at $1,103
GIA | 0.5ct | Radiant | E | VVS2 | Very Good
From $874
Compare at $943
Save 22.6%GIA | 0.5ct | Radiant | G | VVS2 | Ideal
From $697
Compare at $900
GIA | 0.5ct | Radiant | D | VVS2 | Excellent
From $1,007
Compare at $1,010
GIA | 0.5ct | Radiant | F | SI2 | Very Good
From $677
Compare at $697
GIA | 0.5ct | Radiant | F | VVS2 | Excellent
From $898
Compare at $900
GIA | 0.5ct | Radiant | F | VS1 | Excellent
From $929
Compare at $954
Save 33.5%GIA | 0.5ct | Radiant | F | SI1 | Excellent
From $540
Compare at $812
Save 20.6%GIA | 0.5ct | Radiant | H | IF | Excellent
From $678
Compare at $854
Save 16.5%GIA | 0.5ct | Radiant | I | VS1 | Excellent
From $687
Compare at $823
GIA | 0.5ct | Radiant | E | VS1 | Excellent
From $954
Compare at $955
GIA | 0.5ct | Radiant | D | VS2 | Very Good
From $920
Compare at $970
Save 20.6%GIA | 0.5ct | Radiant | G | SI2 | Excellent
From $710
Compare at $894
Save 11%GIA | 0.5ct | Radiant | I | VVS2 | Excellent
From $567
Compare at $637
GIA | 0.5ct | Radiant | G | VVS1 | Excellent
From $840
Compare at $845
Save 14.3%GIA | 0.5ct | Radiant | E | VS2 | Excellent
From $934
Compare at $1,090
Save 12.9%GIA | 0.5ct | Radiant | H | VVS2 | Ideal
From $720
Compare at $826
Save 24%GIA | 0.5ct | Radiant | G | IF | Ideal
From $768
Compare at $1,011
GIA | 0.5ct | Radiant | D | IF | Ideal
From $1,220
Compare at $1,281
Save 14.1%GIA | 0.5ct | Radiant | D | IF | Ideal
From $1,120
Compare at $1,304
Save 11.6%GIA | 0.5ct | Radiant | H | VS2 | Ideal
From $690
Compare at $781
GIA | 0.5ct | Radiant | G | VVS2 | Excellent
From $777
Compare at $790
GIA | 0.5ct | Radiant | F | VVS1 | Ideal
From $960
Compare at $1,040
Entry pricing in this category starts around $346.
What to Know When Shopping for 0.5 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,050 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 $940 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.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 1,493 comparable stones in this segment. Prices start around $346 and go up to $3,396.
Based on the latest market data, the average asking price is about $995 with a median around $940.
The observed spread is roughly $3,050 across tracked listings, which is about 89.8% 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 $940, 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 $3,050 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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