0.5 Carat Natural Diamond Prices Comparison
As of May 2026, the average price of a 0.5 carat natural diamond is $1,002.0.5 carat diamonds can cost anywhere from $192 to $4,130 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 0.8%.Compare 57,814 verified listings across 9 retailers in the tables below.
0.5 Carat Natural Diamond Market Overview
CaratRadar currently tracks 57,814 verified 0.5-carat natural diamonds listed across 9 online retailers. Prices in this segment range from $192 to $4,130, with an average asking price of $1,002 and a median of $941.
The price spread of $3,938 (95.4% 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.
57,814 diamonds tracked in this segment
Price range: $192 to $4,130
Average price: $1,002
Median price: $941
Available across 9 retailers
Savings potential: up to 95.4%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
57,814
$192
$1,002
$941
$4,130
Price History
Price Comparison Matrix
0.5 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.
Save 34.8%GIA | 0.51ct | Radiant | L | SI1 | Excellent
From $248
Compare at $381
Save 28.4%GIA | 0.5ct | Round | L | SI2 | Good
From $275
Compare at $384
Save 26.8%GIA | 0.5ct | Pear | K | VS2 | Very Good
From $278
Compare at $380
Save 21.6%GIA | 0.5ct | Marquise | L | VS1 | Very Good
From $291
Compare at $371
Save 20.9%GIA | 0.5ct | Marquise | L | SI2 | Excellent
From $292
Compare at $369
Save 33.5%GIA | 0.5ct | Pear | L | SI1 | Excellent
From $292
Compare at $439
GIA | 0.52ct | Marquise | L | SI2 | Ideal
From $294
Compare at $316
Save 29%GIA | 0.5ct | Oval | L | SI1 | Very Good
From $311
Compare at $438
Save 19.7%GIA | 0.5ct | Marquise | K | VS1 | Excellent
From $313
Compare at $390
Save 28.8%GIA | 0.5ct | Round | L | SI2 | Excellent
From $314
Compare at $441
Save 45.7%GIA | 0.5ct | Oval | L | VS2 | Excellent
From $318
Compare at $586
Save 29.5%GIA | 0.5ct | Emerald | L | SI1 | Excellent
From $322
Compare at $457
IGI | 0.5ct | Round | K | SI1 | Excellent
From $330
Compare at $340
Save 23.5%GIA | 0.5ct | Round | L | VS2 | Very Good
From $330
Compare at $431
GIA | 0.5ct | Pear | L | SI1 | Good
From $334
Compare at $336
Save 23.4%GIA | 0.53ct | Round | L | SI1 | Excellent
From $337
Compare at $440
Save 33.6%GIA | 0.5ct | Oval | J | SI2 | Excellent
From $340
Compare at $512
Save 32.2%GIA | 0.5ct | Cushion | I | SI1 | Excellent
From $340
Compare at $501
Save 21.5%GIA | 0.5ct | Marquise | G | SI2 | Good
From $341
Compare at $435
Save 29.2%GIA | 0.5ct | Pear | K | SI2 | Excellent
From $342
Compare at $483
Save 23.8%GIA | 0.51ct | Radiant | H | SI2 | Excellent
From $343
Compare at $450
Save 25.4%GIA | 0.5ct | Pear | K | VS1 | Excellent
From $343
Compare at $460
IGI | 0.5ct | Pear | J | VS2 | Very Good
From $343
Compare at $360
IGI | 0.5ct | Round | K | SI1 | Excellent
From $344
Compare at $350
Save 23.5%GIA | 0.59ct | Round | L | SI1 | Very Good
From $350
Compare at $458
Save 10.5%GIA | 0.5ct | Pear | L | SI2 | Excellent
From $351
Compare at $392
Save 15.2%IGI | 0.5ct | Pear | K | VS2 | Very Good
From $351
Compare at $414
GIA | 0.51ct | Pear | L | SI1 | Excellent
From $352
Compare at $391
Save 28%GIA | 0.5ct | Marquise | L | VS2 | Excellent
From $353
Compare at $490
Save 21.5%GIA | 0.5ct | Round | L | VS1 | Very Good
From $353
Compare at $449
Save 28%GIA | 0.5ct | Pear | L | VS1 | Excellent
From $353
Compare at $490
IGI | 0.5ct | Round | K | VS2 | Very Good
From $353
Compare at $355
GIA | 0.5ct | Pear | L | SI1 | Ideal
From $355
Compare at $379
IGI | 0.51ct | Round | K | SI1 | Good
From $355
Compare at $391
Save 11%GIA | 0.5ct | Round | K | SI2 | Ideal
From $356
Compare at $400
Save 22.7%GIA | 0.5ct | Round | L | SI2 | Ideal
From $356
Compare at $461
Save 27.2%GIA | 0.5ct | Pear | K | VS2 | Excellent
From $356
Compare at $489
Save 33.3%GIA | 0.5ct | Round | J | SI2 | Ideal
From $357
Compare at $535
Save 31.3%GIA | 0.5ct | Round | J | SI2 | Ideal
From $357
Compare at $520
Save 29.9%GIA | 0.5ct | Round | K | SI2 | Very Good
From $358
Compare at $511
GIA | 0.5ct | Pear | L | SI1 | Very Good
From $358
Compare at $365
Save 28.4%GIA | 0.5ct | Oval | J | SI1 | Very Good
From $359
Compare at $502
Save 32.4%GIA | 0.5ct | Cushion | I | VS1 | Very Good
From $360
Compare at $532
Save 31.1%GIA | 0.5ct | Cushion | G | SI1 | Good
From $360
Compare at $522
Save 20.2%GIA | 0.5ct | Round | J | SI2 | Excellent
From $361
Compare at $453
IGI | 0.5ct | Round | K | SI1 | Excellent
From $362
Compare at $366
Save 23.4%GIA | 0.5ct | Oval | L | VS1 | Very Good
From $363
Compare at $474
Save 30%GIA | 0.5ct | Heart | K | VVS2 | Very Good
From $364
Compare at $520
Save 22.7%GIA | 0.52ct | Emerald | L | VS1 | Ideal
From $364
Compare at $471
Save 11%GIA | 0.51ct | Emerald | K | SI1 | Excellent
From $364
Compare at $409
Entry pricing in this category starts around $192.
What to Know When Shopping for 0.5 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,938 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 $941 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 57,814 comparable stones in this segment. Prices start around $192 and go up to $4,130.
Based on the latest market data, the average asking price is about $1,002 with a median around $941.
The observed spread is roughly $3,938 across tracked listings, which is about 95.4% 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 $1,002. The median price is $941, 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 9 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 $3,938 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
Explore adjacent carat ranges and shapes to compare market shifts.
0.5 Carat Round Natural Diamond Prices
0.5 Carat Pear Natural Diamond Prices
0.5 Carat Oval Natural Diamond Prices
0.5 Carat Emerald Natural Diamond Prices
0.5 Carat Marquise Natural Diamond Prices
0.5 Carat Heart Natural Diamond Prices
0.5 Carat Cushion Natural Diamond Prices
0.5 Carat Radiant Natural Diamond Prices
0.5 Carat Princess Natural Diamond Prices
0.5 Carat Asscher Natural Diamond Prices
Tracking Natural inventory for 0.5 carat all-shape diamonds.