5.2 Carat Marquise Lab Grown Diamond Prices Comparison
As of April 2026, 5.2 carat marquise lab grown diamonds usually range from $870 to $28,650, with an average price of $4,640.In the last month, prices for these diamonds are down 1.6%.Compare 77 verified listings across 7 retailers tracked by CaratRadar.
5.2 Carat Marquise Lab Grown Diamond Market Overview
CaratRadar currently tracks 77 verified 5.2-carat marquise lab grown diamonds listed across 7 online retailers. Prices in this segment range from $870 to $28,650, with an average asking price of $4,640 and a median of $3,461.
The price spread of $27,780 (97.0% 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.
77 diamonds tracked in this segment
Price range: $870 to $28,650
Average price: $4,640
Median price: $3,461
Available across 7 retailers
Savings potential: up to 97.0%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
77
$870
$4,640
$3,461
$28,650
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 55.3%IGI | 5.21ct | Marquise | G | VS2 | Ideal
From $1,242
Compare at $2,781
Save 85.7%IGI | 5.21ct | Marquise | G | VVS2 | Ideal
From $1,484
Compare at $10,410
IGI | 5.21ct | Marquise | F | VS1 | Ideal
From $1,815
Compare at $3,670
IGI | 5.21ct | Marquise | E | VS2 | Excellent
From $1,740
Compare at $10,320
Save 80.2%IGI | 5.21ct | Marquise | E | VS1 | Excellent
From $1,650
Compare at $8,330
Save 83%IGI | 5.21ct | Marquise | G | VVS2 | Excellent
From $1,758
Compare at $10,350
Save 77.8%IGI | 5.21ct | Marquise | E | VS1 | Ideal
From $1,654
Compare at $7,450
Save 87.1%IGI | 5.21ct | Marquise | E | VS2 | Very Good
From $1,322
Compare at $10,250
Save 78.1%IGI | 5.21ct | Marquise | F | VVS2 | Very Good
From $1,561
Compare at $7,120
Save 41.9%IGI | 5.22ct | Marquise | F | VS2 | Very Good
From $1,614
Compare at $2,777
Save 74.5%IGI | 5.22ct | Marquise | E | VS1 | Excellent
From $2,432
Compare at $9,530
IGI | 5.22ct | Marquise | F | VVS1 | Very Good
From $4,430
Compare at $4,796
Save 80.3%IGI | 5.22ct | Marquise | F | VS1 | Ideal
From $1,682
Compare at $8,530
Save 80.2%IGI | 5.22ct | Marquise | F | VVS2 | Ideal
From $1,508
Compare at $7,620
Save 80.3%IGI | 5.22ct | Marquise | F | VS1 | Ideal
From $1,292
Compare at $6,550
IGI | 5.22ct | Marquise | E | VS1 | Excellent
From $1,653
Compare at $8,840
Save 79.9%IGI | 5.22ct | Marquise | F | VS1 | Ideal
From $1,564
Compare at $7,770
Save 20.1%IGI | 5.22ct | Marquise | E | VVS2 | Ideal
From $10,200
Compare at $12,770
Save 14.7%IGI | 5.22ct | Marquise | E | VS1 | Ideal
From $8,300
Compare at $9,730
Save 71.3%IGI | 5.23ct | Marquise | J | VVS2 | Ideal
From $2,381
Compare at $8,290
Save 79.6%IGI | 5.23ct | Marquise | F | SI1 | Excellent
From $1,723
Compare at $8,450
Save 85.3%IGI | 5.23ct | Marquise | E | VVS2 | Ideal
From $1,879
Compare at $12,790
Save 84.6%IGI | 5.23ct | Marquise | F | VVS2 | Very Good
From $1,817
Compare at $11,800
IGI | 5.23ct | Marquise | F | VVS2 | Excellent
From $1,641
Compare at $11,790
Save 85.7%IGI | 5.23ct | Marquise | E | VS1 | Very Good
From $1,614
Compare at $11,280
Save 80.7%IGI | 5.23ct | Marquise | E | VS1 | Ideal
From $1,894
Compare at $9,820
Save 80.2%IGI | 5.23ct | Marquise | F | VVS1 | Excellent
From $4,375
Compare at $22,130
Save 84.7%IGI | 5.23ct | Marquise | E | VVS2 | Excellent
From $1,960
Compare at $12,790
Save 79%IGI | 5.23ct | Marquise | E | VS1 | Very Good
From $1,656
Compare at $7,870
GIA | 5.24ct | Marquise | F | VS1 | Ideal
From $9,118
Compare at $9,120
Save 55.3%IGI | 5.24ct | Marquise | F | VS2 | Ideal
From $1,249
Compare at $2,796
Save 78.8%IGI | 5.24ct | Marquise | F | VS1 | Excellent
From $1,826
Compare at $8,630
Save 76.9%IGI | 5.24ct | Marquise | E | VS1 | Very Good
From $2,497
Compare at $10,820
Save 80.6%IGI | 5.24ct | Marquise | F | VS1 | Ideal
From $1,510
Compare at $7,800
Save 20.1%IGI | 5.24ct | Marquise | E | VVS2 | Ideal
From $10,240
Compare at $12,820
Save 38.5%GIA | 5.25ct | Marquise | F | VVS2 | Excellent
From $4,762
Compare at $7,745
Save 71.8%GIA | 5.25ct | Marquise | F | VS1 | Ideal
From $2,544
Compare at $9,020
Save 77.8%IGI | 5.25ct | Marquise | G | IF | Ideal
From $18,428
Compare at $83,120
Save 79.9%IGI | 5.25ct | Marquise | G | VS2 | Excellent
From $1,722
Compare at $8,560
Save 70.6%IGI | 5.25ct | Marquise | H | VS2 | Excellent
From $1,989
Compare at $6,770
Save 80.9%IGI | 5.25ct | Marquise | F | VS2 | Excellent
From $1,758
Compare at $9,210
IGI | 5.25ct | Marquise | E | VS2 | Excellent
From $1,754
Compare at $10,400
Save 76.1%IGI | 5.25ct | Marquise | F | VVS2 | Ideal
From $1,761
Compare at $7,360
IGI | 5.25ct | Marquise | E | VS2 | Excellent
From $1,754
Compare at $10,400
Save 79.8%IGI | 5.25ct | Marquise | F | VS1 | Excellent
From $1,417
Compare at $7,000
Save 81.6%IGI | 5.25ct | Marquise | E | VS1 | Ideal
From $1,901
Compare at $10,360
Save 80.9%IGI | 5.25ct | Marquise | F | VS1 | Ideal
From $1,573
Compare at $8,230
Save 70.3%IGI | 5.25ct | Marquise | E | VVS2 | Very Good
From $2,601
Compare at $8,760
Save 77%IGI | 5.25ct | Marquise | F | VVS2 | Very Good
From $2,387
Compare at $10,370
Save 85.7%IGI | 5.25ct | Marquise | E | VVS2 | Ideal
From $1,842
Compare at $12,840
Entry pricing in this category starts around $870.
What to Know When Shopping for 5.2 Carat Marquise Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $27,780 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 $3,461 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 77 comparable stones in this segment. Prices start around $870 and go up to $28,650.
Based on the latest market data, the average asking price is about $4,640 with a median around $3,461.
The observed spread is roughly $27,780 across tracked listings, which is about 97.0% 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 $3,461, 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 7 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 $27,780 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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