0.3 Carat Oval Lab Grown Diamond Prices Comparison
As of February 2026, 0.3 carat oval lab grown diamonds usually range from $127 to $440, with an average price of $219.In the last month, prices for these diamonds are down 0.7%.Compare 546 verified listings across 3 retailers tracked by CaratRadar.
0.3 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 546 verified 0.3-carat oval lab grown diamonds listed across 3 online retailers. Prices in this segment range from $127 to $440, with an average asking price of $219 and a median of $210.
The price spread of $313 (71.2% 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.
546 diamonds tracked in this segment
Price range: $127 to $440
Average price: $219
Median price: $210
Available across 3 retailers
Savings potential: up to 71.2%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
546
$127
$219
$210
$440
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 61.9%0.25ct | Oval | D | VS2 | Good
From $155
Compare at $407
IGISave 12.4%0.25ct | Oval | D | VS2 | Excellent
From $169
Compare at $193
IGISave 60.1%0.25ct | Oval | D | VS1 | Excellent
From $173
Compare at $434
IGISave 63%0.25ct | Oval | E | VVS2 | Very Good
From $166
Compare at $449
IGISave 12.4%0.25ct | Oval | D | VS2 | Excellent
From $169
Compare at $193
IGISave 64.1%0.25ct | Oval | D | VS2 | Very Good
From $136
Compare at $378
IGISave 63.7%0.25ct | Oval | D | VS1 | Very Good
From $139
Compare at $382
IGISave 60.1%0.25ct | Oval | D | VS1 | Excellent
From $173
Compare at $434
IGISave 60.5%0.25ct | Oval | D | VVS2 | Very Good
From $169
Compare at $428
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 65.2%0.25ct | Oval | E | SI1 | Very Good
From $127
Compare at $366
IGISave 64.1%0.25ct | Oval | E | VS1 | Very Good
From $136
Compare at $378
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 64.1%0.25ct | Oval | D | VS2 | Very Good
From $136
Compare at $378
IGISave 63.7%0.25ct | Oval | E | VVS2 | Very Good
From $139
Compare at $382
IGISave 63.5%0.25ct | Oval | D | VVS2 | Very Good
From $141
Compare at $387
IGISave 61.2%0.26ct | Oval | D | VS1 | Very Good
From $161
Compare at $416
IGISave 20.8%0.26ct | Oval | D | VVS2 | Good
From $173
Compare at $218
IGISave 59.9%0.26ct | Oval | D | VVS2 | Excellent
From $176
Compare at $438
IGISave 61.2%0.26ct | Oval | D | VS2 | Very Good
From $161
Compare at $416
IGISave 16.7%0.26ct | Oval | D | VVS2 | Good
From $176
Compare at $211
IGISave 59.9%0.26ct | Oval | D | VVS2 | Excellent
From $176
Compare at $438
IGISave 34.4%0.26ct | Oval | D | VVS1 | Ideal
From $205
Compare at $313
IGISave 63.4%0.26ct | Oval | D | VS2 | Very Good
From $141
Compare at $385
IGISave 62.7%0.26ct | Oval | D | VVS2 | Very Good
From $147
Compare at $394
IGISave 55.8%0.26ct | Oval | D | VS2 | Ideal
From $226
Compare at $512
IGISave 61.2%0.26ct | Oval | D | VS2 | Excellent
From $161
Compare at $416
IGISave 12.6%0.26ct | Oval | D | VS2 | Excellent
From $176
Compare at $201
IGISave 16.4%0.26ct | Oval | D | VS1 | Excellent
From $161
Compare at $193
IGISave 41.4%0.26ct | Oval | D | VVS2 | Very Good
From $186
Compare at $317
IGISave 41.4%0.26ct | Oval | D | VVS2 | Good
From $186
Compare at $317
IGISave 55.8%0.26ct | Oval | D | VS1 | Ideal
From $226
Compare at $512
IGISave 62.9%0.27ct | Oval | D | VS2 | Excellent
From $166
Compare at $447
IGISave 54.7%0.27ct | Oval | D | VVS2 | Very Good
From $246
Compare at $542
IGISave 53.4%0.27ct | Oval | E | VVS2 | Ideal
From $269
Compare at $577
IGISave 61.9%0.27ct | Oval | D | VVS2 | Very Good
From $179
Compare at $470
IGISave 62.7%0.27ct | Oval | D | VS1 | Excellent
From $170
Compare at $455
IGISave 60.6%0.27ct | Oval | D | VS2 | Very Good
From $167
Compare at $425
IGISave 41.2%0.27ct | Oval | D | VVS2 | Ideal
From $193
Compare at $328
IGISave 61.9%0.27ct | Oval | D | VVS2 | Excellent
From $179
Compare at $470
IGISave 41.6%0.27ct | Oval | D | VVS2 | Ideal
From $179
Compare at $307
IGISave 60.6%0.27ct | Oval | D | VS1 | Excellent
From $167
Compare at $425
IGISave 28.6%0.27ct | Oval | D | VVS2 | Ideal
From $193
Compare at $270
IGISave 62.6%0.27ct | Oval | D | VS1 | Very Good
From $149
Compare at $399
IGISave 34.4%0.27ct | Oval | D | VVS1 | Very Good
From $213
Compare at $325
IGISave 54.7%0.27ct | Oval | D | VS2 | Ideal
From $243
Compare at $537
Entry pricing in this category starts around $127.
What to Know When Shopping for 0.3 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $313 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 $210 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- 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 546 comparable stones in this segment. Prices start around $127 and go up to $440.
Based on the latest market data, the average asking price is about $219 with a median around $210.
The observed spread is roughly $313 across tracked listings, which is about 71.2% 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 $210, 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 $313 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 Lab Grown inventory for 0.3 carat Oval diamonds.