0.3 Carat Oval Natural Diamond Prices Comparison
As of February 2026, 0.3 carat oval natural diamonds usually range from $328 to $1,106, with an average price of $516.In the last month, prices for these diamonds are down 2.3%.Compare 291 verified listings across 3 retailers tracked by CaratRadar.
0.3 Carat Oval Natural Diamond Market Overview
CaratRadar currently tracks 291 verified 0.3-carat oval natural diamonds listed across 3 online retailers. Prices in this segment range from $328 to $1,106, with an average asking price of $516 and a median of $500.
The price spread of $778 (70.4% 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.
291 diamonds tracked in this segment
Price range: $328 to $1,106
Average price: $516
Median price: $500
Available across 3 retailers
Savings potential: up to 70.4%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
291
$328
$516
$500
$1,106
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 18%0.27ct | Oval | E | VVS1 | Good
From $517
Compare at $630
GIASave 25.8%0.29ct | Oval | H | SI1 | Excellent
From $379
Compare at $510
GIASave 23.3%0.3ct | Oval | D | SI2 | Ideal
From $399
Compare at $520
GIASave 31.5%0.3ct | Oval | E | SI2 | Excellent
From $397
Compare at $580
GIASave 10.4%0.3ct | Oval | G | SI1 | Excellent
From $341
Compare at $380
GIA0.3ct | Oval | G | VVS2 | Good
From $375
Compare at $400
GIA0.3ct | Oval | E | VS2 | Excellent
From $349
Compare at $375
GIA0.3ct | Oval | H | VS2 | Very Good
From $379
Compare at $385
GIASave 25.8%0.3ct | Oval | F | SI1 | Very Good
From $363
Compare at $490
GIASave 30%0.3ct | Oval | F | SI2 | Excellent
From $343
Compare at $490
GIASave 24.4%0.3ct | Oval | G | SI1 | Very Good
From $408
Compare at $540
GIASave 38.2%0.3ct | Oval | I | VVS2 | Excellent
From $328
Compare at $530
GIASave 30.3%0.3ct | Oval | F | SI2 | Excellent
From $404
Compare at $580
GIASave 24.7%0.3ct | Oval | J | VS1 | Excellent
From $392
Compare at $520
GIASave 23.8%0.3ct | Oval | F | SI2 | Excellent
From $389
Compare at $510
GIASave 27.4%0.3ct | Oval | D | SI1 | Excellent
From $363
Compare at $500
GIASave 87.6%0.3ct | Oval | F | VS2 | Excellent
From $403
Compare at $3,247
GIA0.3ct | Oval | E | SI2 | Ideal
From $403
Compare at $420
GIASave 22.8%0.3ct | Oval | I | SI1 | Excellent
From $402
Compare at $520
GIASave 87.5%0.3ct | Oval | G | VS2 | Excellent
From $379
Compare at $3,044
GIASave 23.5%0.3ct | Oval | F | SI1 | Very Good
From $398
Compare at $520
GIA0.3ct | Oval | E | VVS2 | Excellent
From $391
Compare at $406
GIASave 27.4%0.3ct | Oval | G | SI1 | Excellent
From $363
Compare at $500
GIASave 27.2%0.3ct | Oval | G | SI2 | Very Good
From $364
Compare at $500
GIA0.3ct | Oval | F | SI2 | Good
From $408
Compare at $420
GIASave 10.8%0.31ct | Oval | D | VVS1 | Ideal
From $499
Compare at $560
GIASave 19.5%0.31ct | Oval | E | VS1 | Ideal
From $483
Compare at $600
GIA0.31ct | Oval | E | VS1 | Ideal
From $516
Compare at $550
GIASave 22%0.31ct | Oval | E | SI2 | Excellent
From $570
Compare at $730
GIA0.31ct | Oval | E | VS2 | Ideal
From $470
Compare at $502
GIASave 21.6%0.31ct | Oval | G | VVS1 | Excellent
From $415
Compare at $530
GIASave 19.3%0.31ct | Oval | E | VS2 | Ideal
From $492
Compare at $610
GIASave 30%0.31ct | Oval | D | VS1 | Ideal
From $525
Compare at $750
GIASave 23.4%0.31ct | Oval | F | VVS2 | Ideal
From $444
Compare at $580
GIASave 28.1%0.31ct | Oval | G | VS2 | Very Good
From $460
Compare at $640
GIASave 17.9%0.31ct | Oval | D | SI1 | Excellent
From $650
Compare at $792
GIASave 11.6%0.31ct | Oval | F | VS2 | Very Good
From $700
Compare at $792
GIA0.31ct | Oval | E | SI1 | Ideal
From $483
Compare at $520
GIA0.31ct | Oval | E | VS1 | Excellent
From $810
Compare at $892
GIA0.31ct | Oval | F | VS2 | Ideal
From $450
Compare at $471
GIA0.31ct | Oval | D | VS2 | Ideal
From $480
Compare at $508
GIASave 27.5%0.31ct | Oval | E | VS1 | Ideal
From $500
Compare at $690
GIA0.31ct | Oval | F | VS1 | Ideal
From $480
Compare at $514
GIASave 71.7%0.31ct | Oval | H | VS1 | Excellent
From $892
Compare at $3,146
GIASave 13%0.31ct | Oval | E | VVS2 | Ideal
From $487
Compare at $560
GIASave 15.2%0.31ct | Oval | D | VVS2 | Ideal
From $628
Compare at $740
GIA0.31ct | Oval | D | VVS2 | Very Good
From $477
Compare at $520
GIASave 19.3%0.31ct | Oval | E | VS1 | Ideal
From $476
Compare at $590
GIASave 24.9%0.31ct | Oval | E | SI2 | Excellent
From $481
Compare at $640
GIA0.31ct | Oval | E | VVS1 | Ideal
From $530
Compare at $568
Entry pricing in this category starts around $328.
What to Know When Shopping for 0.3 Carat Oval Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $778 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 $500 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.
- Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.
Frequently Asked Questions
We currently track 291 comparable stones in this segment. Prices start around $328 and go up to $1,106.
Based on the latest market data, the average asking price is about $516 with a median around $500.
The observed spread is roughly $778 across tracked listings, which is about 70.4% 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 $500, 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 3 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 $778 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 Oval diamonds.