0.3 Carat Oval Natural Diamond Prices Comparison
As of May 2026, 0.3 carat oval natural diamonds usually range from $201 to $9,457, with an average price of $526.In the last month, prices for these diamonds are up 5.3%.Compare 3,784 verified listings across 8 retailers tracked by CaratRadar.
0.3 Carat Oval Natural Diamond Market Overview
CaratRadar currently tracks 3,784 verified 0.3-carat oval natural diamonds listed across 8 online retailers. Prices in this segment range from $201 to $9,457, with an average asking price of $526 and a median of $506.
The price spread of $9,256 (97.9% 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.
3,784 diamonds tracked in this segment
Price range: $201 to $9,457
Average price: $526
Median price: $506
Available across 8 retailers
Savings potential: up to 97.9%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
3,784
$201
$526
$506
$9,457
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 21.9%GIA | 0.3ct | Oval | J | SI2 | Excellent
From $231
Compare at $296
Save 14.7%IGI | 0.32ct | Oval | J | VVS2 | Very Good
From $264
Compare at $310
Save 26.6%GIA | 0.3ct | Oval | J | SI1 | Excellent
From $277
Compare at $377
Save 11.1%IGI | 0.32ct | Oval | I | VS1 | Very Good
From $281
Compare at $316
Save 13.4%GIA | 0.4ct | Oval | K | SI1 | Ideal
From $285
Compare at $329
Save 17%GIA | 0.3ct | Oval | G | SI2 | Very Good
From $287
Compare at $346
Save 34.1%GIA | 0.4ct | Oval | J | SI1 | Excellent
From $290
Compare at $440
Save 10.4%IGI | 0.33ct | Oval | I | VVS2 | Very Good
From $295
Compare at $329
Save 22.7%GIA | 0.31ct | Oval | H | SI2 | Ideal
From $296
Compare at $383
Save 35.5%GIA | 0.4ct | Oval | K | SI1 | Excellent
From $298
Compare at $462
Save 21.8%GIA | 0.4ct | Oval | J | VVS2 | Excellent
From $298
Compare at $381
Save 21.3%GIA | 0.3ct | Oval | K | VVS1 | Excellent
From $301
Compare at $382
Save 11.9%GIA | 0.3ct | Oval | G | SI1 | Excellent
From $302
Compare at $343
Save 32.6%GIA | 0.4ct | Oval | K | VS1 | Very Good
From $304
Compare at $451
Save 38.1%GIA | 0.4ct | Oval | L | VS2 | Very Good
From $306
Compare at $494
Save 11.2%GIA | 0.3ct | Oval | D | SI2 | Excellent
From $307
Compare at $346
GIA | 0.3ct | Oval | H | VS1 | Excellent
From $307
Compare at $331
Save 22.8%GIA | 0.4ct | Oval | L | VS2 | Very Good
From $307
Compare at $398
Save 23.3%GIA | 0.3ct | Oval | I | VVS2 | Good
From $310
Compare at $404
Save 11.4%GIA | 0.3ct | Oval | F | SI2 | Very Good
From $312
Compare at $352
GIA | 0.3ct | Oval | I | SI1 | Good
From $318
Compare at $340
Save 42.1%GIA | 0.31ct | Oval | J | IF | Excellent
From $320
Compare at $552
Save 12%IGI | 0.33ct | Oval | H | SI1 | Very Good
From $324
Compare at $368
Save 14%GIA | 0.3ct | Oval | F | VS2 | Very Good
From $326
Compare at $379
Save 23.5%GIA | 0.3ct | Oval | F | SI1 | Ideal
From $326
Compare at $426
GIA | 0.3ct | Oval | E | SI2 | Ideal
From $328
Compare at $349
Save 42.6%GIA | 0.31ct | Oval | J | VVS2 | Excellent
From $328
Compare at $571
Save 42.5%GIA | 0.32ct | Oval | J | IF | Excellent
From $328
Compare at $570
GIA | 0.3ct | Oval | E | SI1 | Very Good
From $329
Compare at $362
GIA | 0.3ct | Oval | I | VVS1 | Excellent
From $330
Compare at $357
Save 29%GIA | 0.4ct | Oval | J | SI2 | Excellent
From $330
Compare at $465
GIA | 0.3ct | Oval | I | VVS1 | Excellent
From $330
Compare at $357
GIA | 0.3ct | Oval | F | SI2 | Very Good
From $332
Compare at $356
Save 28.8%GIA | 0.4ct | Oval | I | SI1 | Excellent
From $333
Compare at $468
Save 21.1%GIA | 0.3ct | Oval | H | VS1 | Very Good
From $333
Compare at $422
Save 19.2%GIA | 0.3ct | Oval | I | VS2 | Excellent
From $333
Compare at $412
Save 28.8%GIA | 0.4ct | Oval | I | SI1 | Excellent
From $333
Compare at $468
Save 19.1%GIA | 0.4ct | Oval | K | VS2 | Excellent
From $333
Compare at $412
Save 16.6%GIA | 0.3ct | Oval | J | VVS1 | Excellent
From $334
Compare at $400
GIA | 0.3ct | Oval | F | SI1 | Very Good
From $334
Compare at $370
GIA | 0.3ct | Oval | J | SI2 | Very Good
From $334
Compare at $349
Save 28.7%GIA | 0.4ct | Oval | I | VS2 | Excellent
From $335
Compare at $470
GIA | 0.3ct | Oval | H | SI1 | Ideal
From $336
Compare at $372
Save 16.8%GIA | 0.4ct | Oval | K | VS2 | Excellent
From $338
Compare at $406
GIA | 0.3ct | Oval | F | SI1 | Very Good
From $338
Compare at $374
Save 23.6%GIA | 0.33ct | Oval | I | VVS2 | Excellent
From $339
Compare at $444
Save 43%GIA | 0.31ct | Oval | G | VS1 | Ideal
From $339
Compare at $594
Save 14%GIA | 0.38ct | Oval | J | VS2 | Very Good
From $339
Compare at $394
GIA | 0.31ct | Oval | H | VS2 | Very Good
From $339
Compare at $370
GIA | 0.3ct | Oval | G | SI1 | Ideal
From $339
Compare at $372
Entry pricing in this category starts around $201.
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 $9,256 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 $506 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 3,784 comparable stones in this segment. Prices start around $201 and go up to $9,457.
Based on the latest market data, the average asking price is about $526 with a median around $506.
The observed spread is roughly $9,256 across tracked listings, which is about 97.9% 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 $526. The median price is $506, 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 8 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 $9,256 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.