9.1 Carat Marquise Lab Grown Diamond Prices Comparison
As of February 2026, 9.1 carat marquise lab grown diamonds usually range from $1,455 to $7,195, with an average price of $2,946.In the last month, prices for these diamonds are down 0.4%.Compare 41 verified listings across 7 retailers tracked by CaratRadar.
9.1 Carat Marquise Lab Grown Diamond Market Overview
CaratRadar currently tracks 41 verified 9.1-carat marquise lab grown diamonds listed across 7 online retailers. Prices in this segment range from $1,455 to $7,195, with an average asking price of $2,946 and a median of $2,328.
The price spread of $5,740 (79.8% 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.
41 diamonds tracked in this segment
Price range: $1,455 to $7,195
Average price: $2,946
Median price: $2,328
Available across 7 retailers
Savings potential: up to 79.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
41
$1,455
$2,946
$2,328
$7,195
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 88.4%9.06ct | Marquise | F | VS1 | Excellent
From $2,165
Compare at $18,630
IGISave 83%9.06ct | Marquise | H | VVS2 | Ideal
From $2,544
Compare at $15,000
IGISave 83%9.06ct | Marquise | H | VVS2 | Ideal
From $2,544
Compare at $15,000
IGISave 90.2%9.06ct | Marquise | E | VVS2 | Excellent
From $2,228
Compare at $22,750
IGISave 61.5%9.06ct | Marquise | F | VS1 | Very Good
From $1,862
Compare at $4,833
IGISave 64.1%9.06ct | Marquise | G | VVS2 | Excellent
From $7,195
Compare at $20,030
IGISave 87.2%9.07ct | Marquise | G | VVS2 | Ideal
From $2,334
Compare at $18,220
IGISave 68.3%9.07ct | Marquise | H | SI1 | Ideal
From $2,328
Compare at $7,340
IGISave 87.9%9.07ct | Marquise | G | VS1 | Ideal
From $1,706
Compare at $14,120
IGISave 87.4%9.07ct | Marquise | G | VS1 | Ideal
From $1,706
Compare at $13,590
IGISave 87.9%9.07ct | Marquise | H | VVS2 | Ideal
From $1,820
Compare at $15,020
IGISave 92.8%9.07ct | Marquise | E | VS1 | Excellent
From $2,042
Compare at $28,320
IGISave 76.1%9.07ct | Marquise | E | VS1 | Excellent
From $5,397
Compare at $22,550
IGISave 50.5%9.07ct | Marquise | F | VVS2 | Ideal
From $4,573
Compare at $9,230
IGISave 57%9.07ct | Marquise | G | VS2 | Excellent
From $4,535
Compare at $10,550
IGISave 47.5%9.08ct | Marquise | F | VS1 | Ideal
From $4,618
Compare at $8,790
IGISave 90.9%9.08ct | Marquise | F | VVS2 | Ideal
From $1,861
Compare at $20,450
IGISave 86.8%9.08ct | Marquise | G | VS1 | Very Good
From $2,112
Compare at $16,000
IGISave 45.8%9.08ct | Marquise | E | VS1 | Very Good
From $2,659
Compare at $4,907
IGISave 84%9.08ct | Marquise | E | VVS2 | Excellent
From $3,646
Compare at $22,750
IGISave 50.5%9.09ct | Marquise | F | VVS2 | Ideal
From $4,583
Compare at $9,250
IGISave 82.9%9.09ct | Marquise | G | VVS2 | Excellent
From $2,916
Compare at $17,020
IGISave 50.5%9.09ct | Marquise | F | VVS2 | Ideal
From $4,583
Compare at $9,250
IGISave 89.8%9.09ct | Marquise | G | VVS2 | Ideal
From $1,849
Compare at $18,140
IGISave 87.5%9.09ct | Marquise | E | VS1 | Excellent
From $2,216
Compare at $17,690
IGISave 87.5%9.09ct | Marquise | E | VVS2 | Ideal
From $2,856
Compare at $22,770
IGISave 86.2%9.09ct | Marquise | E | VVS2 | Very Good
From $3,151
Compare at $22,900
IGISave 78.7%9.09ct | Marquise | F | VS2 | Good
From $3,410
Compare at $16,030
IGISave 71.4%9.1ct | Marquise | F | VVS2 | Ideal
From $2,994
Compare at $10,450
IGISave 90.3%9.1ct | Marquise | E | VVS2 | Excellent
From $2,222
Compare at $22,800
IGISave 75.1%9.1ct | Marquise | E | VVS2 | Ideal
From $5,535
Compare at $22,240
IGISave 90.9%9.11ct | Marquise | F | VS2 | Ideal
From $1,455
Compare at $16,060
IGISave 18%9.11ct | Marquise | F | VVS2 | Very Good
From $2,148
Compare at $2,620
IGISave 90.2%9.11ct | Marquise | E | VVS2 | Excellent
From $2,239
Compare at $22,870
IGISave 80.5%9.12ct | Marquise | G | VS2 | Ideal
From $2,259
Compare at $11,590
IGISave 68.4%9.12ct | Marquise | G | VS1 | Ideal
From $5,096
Compare at $16,120
IGISave 88.1%9.14ct | Marquise | F | VS1 | Ideal
From $2,236
Compare at $18,800
IGISave 91%9.14ct | Marquise | E | VS1 | Excellent
From $2,215
Compare at $24,540
IGISave 88.9%9.14ct | Marquise | F | VVS2 | Ideal
From $2,285
Compare at $20,590
IGISave 82.1%9.15ct | Marquise | G | VS1 | Ideal
From $2,071
Compare at $11,570
IGISave 87.3%9.15ct | Marquise | F | VVS2 | Ideal
From $2,611
Compare at $20,610
Entry pricing in this category starts around $1,455.
What to Know When Shopping for 9.1 Carat Marquise Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $5,740 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 $2,328 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 41 comparable stones in this segment. Prices start around $1,455 and go up to $7,195.
Based on the latest market data, the average asking price is about $2,946 with a median around $2,328.
The observed spread is roughly $5,740 across tracked listings, which is about 79.8% 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 $2,328, 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 $5,740 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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