1 Carat Marquise Lab Grown Diamond Prices Comparison
As of April 2026, 1 carat marquise lab grown diamonds usually range from $181 to $3,310, with an average price of $807.In the last month, prices for these diamonds are down 5%.Compare 11,550 verified listings across 10 retailers tracked by CaratRadar.
1 Carat Marquise Lab Grown Diamond Market Overview
CaratRadar currently tracks 11,550 verified 1-carat marquise lab grown diamonds listed across 10 online retailers. Prices in this segment range from $181 to $3,310, with an average asking price of $807 and a median of $697.
The price spread of $3,129 (94.5% 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.
11,550 diamonds tracked in this segment
Price range: $181 to $3,310
Average price: $807
Median price: $697
Available across 10 retailers
Savings potential: up to 94.5%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
11,550
$181
$807
$697
$3,310
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 84.2%GCAL | 1ct | Marquise | D | VVS2 | Excellent
From $546
Compare at $3,450
Save 75.8%GCAL | 1ct | Marquise | F | IF | Ideal
From $1,144
Compare at $4,730
Save 66.3%GCAL | 1ct | Marquise | E | VVS1 | Ideal
From $1,314
Compare at $3,900
Save 72.5%GCAL | 1ct | Marquise | D | VS1 | Excellent
From $530
Compare at $1,930
Save 72.4%GCAL | 1ct | Marquise | D | VVS2 | Excellent
From $552
Compare at $2,000
Save 76.8%GIA | 1ct | Marquise | D | FL | Excellent
From $8,210
Compare at $35,420
GIA | 1ct | Marquise | D | VS2 | Excellent
From $840
Compare at $840
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
IGI | 1ct | Marquise | H | VVS2 | Ideal
From $2,088
Compare at $2,090
IGI | 1ct | Marquise | H | VS1 | Very Good
From $2,033
Compare at $2,035
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
IGI | 1ct | Marquise | H | VS2 | Ideal
From $1,929
Compare at $1,930
Save 37.9%IGI | 1ct | Marquise | I | SI1 | Ideal
From $2,458
Compare at $3,961
IGI | 1ct | Marquise | H | SI1 | Ideal
From $1,727
Compare at $1,730
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
Save 23.4%IGI | 1ct | Marquise | G | VS2 | Ideal
From $904
Compare at $1,180
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Save 34.6%IGI | 1ct | Marquise | G | VS1 | Ideal
From $2,220
Compare at $3,395
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Save 36.7%IGI | 1ct | Marquise | I | VS1 | Ideal
From $2,732
Compare at $4,315
IGI | 1ct | Marquise | H | SI1 | Ideal
From $1,727
Compare at $1,730
IGI | 1ct | Marquise | H | VVS2 | Ideal
From $2,088
Compare at $2,090
Save 36.6%IGI | 1ct | Marquise | G | VVS2 | Ideal
From $2,304
Compare at $3,633
IGI | 1ct | Marquise | H | VS2 | Ideal
From $1,929
Compare at $1,930
Save 34.6%IGI | 1ct | Marquise | G | VS1 | Ideal
From $2,220
Compare at $3,395
IGI | 1ct | Marquise | H | VVS2 | Ideal
From $2,088
Compare at $2,090
IGI | 1ct | Marquise | H | SI1 | Ideal
From $1,727
Compare at $1,730
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Save 38.4%IGI | 1ct | Marquise | I | VVS2 | Ideal
From $2,858
Compare at $4,640
IGI | 1ct | Marquise | H | VS2 | Ideal
From $1,929
Compare at $1,930
Save 38.5%IGI | 1ct | Marquise | E | VS1 | Good
From $2,383
Compare at $3,876
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Save 36.6%IGI | 1ct | Marquise | G | VVS2 | Ideal
From $2,304
Compare at $3,633
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Save 36.9%IGI | 1ct | Marquise | F | VS2 | Ideal
From $2,170
Compare at $3,440
Save 36.9%IGI | 1ct | Marquise | F | VS2 | Ideal
From $2,170
Compare at $3,440
Save 36.6%IGI | 1ct | Marquise | F | VS1 | Ideal
From $2,304
Compare at $3,633
Save 36.9%IGI | 1ct | Marquise | F | VS2 | Ideal
From $2,170
Compare at $3,440
Save 36.9%IGI | 1ct | Marquise | F | VS2 | Ideal
From $2,170
Compare at $3,440
IGI | 1ct | Marquise | G | SI1 | Ideal
From $1,818
Compare at $1,820
Save 34.6%IGI | 1ct | Marquise | G | VS1 | Very Good
From $2,220
Compare at $3,395
IGI | 1ct | Marquise | H | VS1 | Very Good
From $2,033
Compare at $2,035
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
IGI | 1ct | Marquise | H | VS2 | Ideal
From $1,929
Compare at $1,930
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
IGI | 1ct | Marquise | H | VVS2 | Ideal
From $2,088
Compare at $2,090
IGI | 1ct | Marquise | H | VS1 | Ideal
From $2,033
Compare at $2,035
Entry pricing in this category starts around $181.
What to Know When Shopping for 1 Carat Marquise Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $3,129 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 $697 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.
- Marquise diamonds maximize carat weight face-up and appear larger than their actual weight. Check symmetry carefully.
Frequently Asked Questions
We currently track 11,550 comparable stones in this segment. Prices start around $181 and go up to $3,310.
Based on the latest market data, the average asking price is about $807 with a median around $697.
The observed spread is roughly $3,129 across tracked listings, which is about 94.5% 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 $697, 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 10 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 $3,129 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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