0.9 Carat Marquise Natural Diamond Prices Comparison
As of February 2026, 0.9 carat marquise natural diamonds usually range from $848 to $7,726, with an average price of $3,190.In the last month, prices for these diamonds are down 1.4%.Compare 182 verified listings across 6 retailers tracked by CaratRadar.
0.9 Carat Marquise Natural Diamond Market Overview
CaratRadar currently tracks 182 verified 0.9-carat marquise natural diamonds listed across 6 online retailers. Prices in this segment range from $848 to $7,726, with an average asking price of $3,190 and a median of $2,971.
The price spread of $6,878 (89.0% 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.
182 diamonds tracked in this segment
Price range: $848 to $7,726
Average price: $3,190
Median price: $2,971
Available across 6 retailers
Savings potential: up to 89.0%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
182
$848
$3,190
$2,971
$7,726
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA0.85ct | Marquise | D | VS2 | Excellent
From $3,674
Compare at $3,694
GIA0.85ct | Marquise | H | VVS1 | Good
From $2,910
Compare at $2,983
GIASave 30.9%0.85ct | Marquise | K | VS1 | Excellent
From $1,714
Compare at $2,481
GIASave 17.9%0.85ct | Marquise | D | SI1 | Excellent
From $2,170
Compare at $2,643
GIASave 28.8%0.85ct | Marquise | D | SI1 | Good
From $2,087
Compare at $2,931
GIA0.86ct | Marquise | H | VVS2 | Ideal
From $2,465
Compare at $2,570
GIA0.86ct | Marquise | D | SI1 | Good
From $3,447
Compare at $3,582
GIASave 10.9%0.9ct | Marquise | J | VVS1 | Very Good
From $3,055
Compare at $3,428
GIA0.9ct | Marquise | G | VS1 | Excellent
From $4,818
Compare at $5,123
GIA0.9ct | Marquise | H | VS2 | Ideal
From $3,014
Compare at $3,190
GIA0.9ct | Marquise | L | VS2 | Very Good
From $1,287
Compare at $1,362
GIA0.9ct | Marquise | E | SI2 | Good
From $2,322
Compare at $2,474
GIA0.9ct | Marquise | E | VVS2 | Excellent
From $5,217
Compare at $5,222
GIASave 36.2%0.9ct | Marquise | E | VS2 | Excellent
From $3,387
Compare at $5,306
GIASave 10.8%0.9ct | Marquise | G | VS2 | Good
From $3,785
Compare at $4,242
GIA0.9ct | Marquise | L | SI1 | Excellent
From $1,737
Compare at $1,777
GIA0.9ct | Marquise | D | VS2 | Very Good
From $5,002
Compare at $5,028
GIASave 11.6%0.9ct | Marquise | I | VS1 | Excellent
From $2,754
Compare at $3,116
GIA0.9ct | Marquise | G | VS1 | Good
From $4,426
Compare at $4,550
GIASave 32.9%0.9ct | Marquise | J | SI1 | Excellent
From $1,795
Compare at $2,674
GIASave 35.6%0.9ct | Marquise | K | VS1 | Very Good
From $1,751
Compare at $2,720
GIASave 31%0.9ct | Marquise | I | VVS2 | Good
From $3,838
Compare at $5,561
GIA0.9ct | Marquise | E | VS2 | Good
From $3,467
Compare at $3,707
GIA0.9ct | Marquise | H | VVS2 | Excellent
From $4,323
Compare at $4,396
GIASave 13.7%0.9ct | Marquise | K | SI1 | Good
From $2,070
Compare at $2,398
GIASave 28.5%0.9ct | Marquise | I | VS2 | Excellent
From $3,590
Compare at $5,023
0.9ct | Marquise | E | VS2 | Excellent
From $3,686
Compare at $4,672
GIASave 27.6%0.9ct | Marquise | I | SI2 | Very Good
From $1,994
Compare at $2,754
GIA0.9ct | Marquise | D | SI1 | Ideal
From $3,540
Compare at $3,562
GIA0.9ct | Marquise | H | IF | Very Good
From $3,423
Compare at $3,606
GIA0.9ct | Marquise | K | SI1 | Excellent
From $2,056
Compare at $2,177
GIA0.9ct | Marquise | H | VS2 | Very Good
From $3,024
Compare at $3,269
GIASave 41.6%0.9ct | Marquise | J | VVS2 | Very Good
From $2,005
Compare at $3,434
GIASave 28%0.9ct | Marquise | I | VS2 | Excellent
From $3,313
Compare at $4,602
GIASave 43.9%0.9ct | Marquise | D | VS2 | Excellent
From $3,371
Compare at $6,010
GIA0.9ct | Marquise | H | VVS1 | Excellent
From $5,350
Compare at $5,761
GIASave 38.9%0.9ct | Marquise | G | SI2 | Excellent
From $2,146
Compare at $3,510
GIA0.9ct | Marquise | G | VS2 | Good
From $4,800
Compare at $4,925
GIASave 31.4%0.9ct | Marquise | H | VVS1 | Excellent
From $3,025
Compare at $4,408
GIASave 32%0.9ct | Marquise | K | VS1 | Good
From $1,915
Compare at $2,817
GIA0.9ct | Marquise | D | VVS1 | Excellent
From $7,726
Compare at $7,842
GIASave 32.9%0.9ct | Marquise | E | VVS2 | Excellent
From $3,943
Compare at $5,880
GIASave 38.7%0.9ct | Marquise | E | SI1 | Ideal
From $2,717
Compare at $4,434
GIA0.9ct | Marquise | I | VS2 | Good
From $2,935
Compare at $3,031
GIASave 26.1%0.9ct | Marquise | D | SI1 | Excellent
From $3,430
Compare at $4,641
GIASave 32.7%0.9ct | Marquise | K | VS1 | Excellent
From $1,994
Compare at $2,963
GIASave 35.9%0.9ct | Marquise | K | VS1 | Very Good
From $1,711
Compare at $2,672
GIASave 30.4%0.9ct | Marquise | D | SI1 | Excellent
From $2,772
Compare at $3,981
GIA0.9ct | Marquise | I | SI2 | Very Good
From $1,767
Compare at $1,910
GIASave 12%0.9ct | Marquise | D | SI2 | Very Good
From $2,907
Compare at $3,303
Entry pricing in this category starts around $848.
What to Know When Shopping for 0.9 Carat Marquise Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $6,878 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 $2,971 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- 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 182 comparable stones in this segment. Prices start around $848 and go up to $7,726.
Based on the latest market data, the average asking price is about $3,190 with a median around $2,971.
The observed spread is roughly $6,878 across tracked listings, which is about 89.0% 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 $2,971, 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 6 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 $6,878 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 Natural inventory for 0.9 carat Marquise diamonds.