1.3 Carat Lab Grown Diamond Prices Comparison
As of May 2026, the average price of a 1.3 carat lab grown diamond is $911.1.3 carat diamonds can cost anywhere from $167 to $6,331 depending on shape, color, clarity, and other factors.In the last 3 months, prices for these diamonds are down 3.6%.Compare 11,939 verified listings across 12 retailers in the tables below.
1.3 Carat Lab Grown Diamond Market Overview
CaratRadar currently tracks 11,939 verified 1.3-carat lab grown diamonds listed across 12 online retailers. Prices in this segment range from $167 to $6,331, with an average asking price of $911 and a median of $776.
The price spread of $6,164 (97.4% 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.
11,939 diamonds tracked in this segment
Price range: $167 to $6,331
Average price: $911
Median price: $776
Available across 12 retailers
Savings potential: up to 97.4%
Price Range Overview
As of May 28, 2026Real market range for this carat, shape, and diamond type.
11,939
$167
$911
$776
$6,331
Price History
Price Comparison Matrix
1.3 Carat Lab Grown 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 65.8%IGI | 1.33ct | Emerald | I | SI1 | Ideal
From $178
Compare at $520
Save 69.5%IGI | 1.38ct | Emerald | G | VS1 | Excellent
From $204
Compare at $669
Save 60.4%IGI | 1.31ct | Radiant | E | VS1 | Very Good
From $204
Compare at $515
Save 77.3%IGI | 1.39ct | Emerald | G | SI1 | Ideal
From $207
Compare at $910
Save 76.8%IGI | 1.39ct | Oval | H | VS1 | Excellent
From $209
Compare at $900
Save 79.9%IGI | 1.33ct | Radiant | F | VS1 | Ideal
From $211
Compare at $1,050
Save 69.7%IGI | 1.36ct | Radiant | E | VS2 | Ideal
From $211
Compare at $696
Save 77.7%IGI | 1.35ct | Radiant | F | VS1 | Ideal
From $214
Compare at $960
Save 32.3%IGI | 1.34ct | Emerald | G | VVS1 | Ideal
From $214
Compare at $316
Save 71.8%IGI | 1.38ct | Emerald | D | VS1 | Very Good
From $214
Compare at $760
Save 62.4%IGI | 1.38ct | Radiant | E | VS1 | Very Good
From $214
Compare at $569
Save 78.3%IGI | 1.35ct | Emerald | E | SI1 | Ideal
From $215
Compare at $990
Save 77.8%IGI | 1.31ct | Radiant | G | VS1 | Ideal
From $215
Compare at $970
Save 46.1%IGI | 1.39ct | Cushion | F | VS2 | Very Good
From $215
Compare at $399
Save 41.9%IGI | 1.36ct | Round | E | VS2 | Ideal
From $215
Compare at $370
Save 62.2%IGI | 1.34ct | Emerald | D | VS2 | Very Good
From $216
Compare at $571
Save 78%IGI | 1.37ct | Emerald | F | VS1 | Ideal
From $218
Compare at $990
Save 44.1%IGI | 1.37ct | Cushion | F | VS1 | Very Good
From $218
Compare at $390
Save 64.2%IGI | 1.32ct | Radiant | H | VS1 | Ideal
From $220
Compare at $614
Save 42.1%IGI | 1.34ct | Round | G | VVS2 | Excellent
From $220
Compare at $380
Save 76.5%IGI | 1.33ct | Radiant | G | VS1 | Ideal
From $221
Compare at $940
Save 68.1%IGI | 1.32ct | Emerald | D | VS2 | Fair
From $221
Compare at $692
IGI | 1.31ct | Round | H | VS1 | Excellent
From $221
Compare at $770
Save 74%IGI | 1.31ct | Round | F | VS1 | Ideal
From $221
Compare at $850
Save 74.2%IGI | 1.35ct | Radiant | H | VS1 | Ideal
From $222
Compare at $860
Save 63.1%IGI | 1.32ct | Radiant | D | VVS2 | Very Good
From $222
Compare at $602
Save 69.7%IGI | 1.39ct | Cushion | F | VS2 | Very Good
From $222
Compare at $732
Save 73.5%IGI | 1.34ct | Radiant | H | VS1 | Ideal
From $223
Compare at $840
Save 75.5%IGI | 1.36ct | Radiant | H | VS1 | Excellent
From $223
Compare at $910
Save 67.5%IGI | 1.32ct | Radiant | E | VS1 | Very Good
From $223
Compare at $687
Save 79.4%IGI | 1.35ct | Radiant | E | VS2 | Excellent
From $224
Compare at $1,090
Save 69.1%IGI | 1.36ct | Emerald | E | VS1 | Ideal
From $224
Compare at $724
Save 75.4%IGI | 1.33ct | Round | F | VS1 | Ideal
From $224
Compare at $910
Save 71.5%IGI | 1.37ct | Pear | E | VS2 | Excellent
From $225
Compare at $790
Save 76.9%IGI | 1.33ct | Radiant | G | VVS2 | Ideal
From $226
Compare at $980
Save 67.5%IGI | 1.36ct | Cushion | F | VS1 | Very Good
From $226
Compare at $696
Save 78.1%IGI | 1.34ct | Radiant | G | VVS2 | Very Good
From $226
Compare at $1,030
Save 77.6%IGI | 1.34ct | Round | F | VS1 | Excellent
From $226
Compare at $1,010
Save 74.2%IGI | 1.38ct | Radiant | H | VS1 | Ideal
From $227
Compare at $880
Save 67.5%IGI | 1.35ct | Cushion | E | VS1 | Very Good
From $227
Compare at $698
Save 78.4%IGI | 1.33ct | Pear | F | VVS2 | Ideal
From $227
Compare at $1,050
Save 70%IGI | 1.31ct | Radiant | D | VVS2 | Very Good
From $227
Compare at $756
Save 68.9%IGI | 1.37ct | Round | E | VS1 | Excellent
From $227
Compare at $729
Save 70.9%IGI | 1.35ct | Round | G | VS1 | Excellent
From $227
Compare at $780
Save 43.3%IGI | 1.38ct | Oval | E | VS1 | Very Good
From $227
Compare at $401
Save 65%IGI | 1.34ct | Radiant | E | VS1 | Excellent
From $228
Compare at $652
Save 67.7%IGI | 1.37ct | Cushion | F | VS1 | Very Good
From $228
Compare at $705
Save 76.1%IGI | 1.34ct | Oval | G | VVS2 | Excellent
From $229
Compare at $960
Save 69.1%IGI | 1.34ct | Cushion | F | VVS2 | Very Good
From $229
Compare at $740
Save 66.8%IGI | 1.34ct | Cushion | E | VS1 | Very Good
From $229
Compare at $689
Entry pricing in this category starts around $167.
What to Know When Shopping for 1.3 Carat Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $6,164 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 $776 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.
Frequently Asked Questions
We currently track 11,939 comparable stones in this segment. Prices start around $167 and go up to $6,331.
Based on the latest market data, the average asking price is about $911 with a median around $776.
The observed spread is roughly $6,164 across tracked listings, which is about 97.4% 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 $911. The median price is $776, 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 12 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 $6,164 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.
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