9.1 Carat Cushion Lab Grown Diamond Prices Comparison
As of February 2026, 9.1 carat cushion lab grown diamonds usually range from $1,280 to $76,775, with an average price of $5,865.In the last month, prices for these diamonds are down 3.1%.Compare 69 verified listings across 7 retailers tracked by CaratRadar.
9.1 Carat Cushion Lab Grown Diamond Market Overview
CaratRadar currently tracks 69 verified 9.1-carat cushion lab grown diamonds listed across 7 online retailers. Prices in this segment range from $1,280 to $76,775, with an average asking price of $5,865 and a median of $3,664.
The price spread of $75,495 (98.3% 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.
69 diamonds tracked in this segment
Price range: $1,280 to $76,775
Average price: $5,865
Median price: $3,664
Available across 7 retailers
Savings potential: up to 98.3%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
69
$1,280
$5,865
$3,664
$76,775
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 54.4%9.06ct | Cushion | G | VS2 | Ideal
From $5,816
Compare at $12,745
IGISave 35.1%9.06ct | Cushion | FANCY | SI1 | Good
From $3,664
Compare at $5,644
IGISave 75.1%9.06ct | Cushion | F | VVS2 | Very Good
From $5,741
Compare at $23,080
IGISave 75.1%9.06ct | Cushion | E | VVS2 | Ideal
From $4,690
Compare at $18,870
IGISave 50.5%9.06ct | Cushion | F | VS1 | Excellent
From $6,173
Compare at $12,460
IGISave 86.7%9.06ct | Cushion | E | SI1 | Ideal
From $1,954
Compare at $14,690
IGISave 85.6%9.06ct | Cushion | F | VS1 | Ideal
From $2,456
Compare at $17,010
IGISave 84.2%9.06ct | Cushion | F | VVS2 | Ideal
From $3,200
Compare at $20,240
IGISave 75%9.06ct | Cushion | E | VS1 | Very Good
From $6,725
Compare at $26,950
IGISave 75%9.06ct | Cushion | E | VS1 | Very Good
From $6,725
Compare at $26,950
IGISave 45.9%9.06ct | Cushion | D | VS1 | Ideal
From $5,744
Compare at $10,621
IGISave 49.1%9.07ct | Cushion | G | VS1 | Excellent
From $8,163
Compare at $16,040
IGISave 82.1%9.07ct | Cushion | F | VS1 | Good
From $3,358
Compare at $18,710
IGISave 91.5%9.07ct | Cushion | FANCY | VS1 | Very Good
From $4,965
Compare at $58,678
IGISave 88.7%9.07ct | Cushion | F | VVS2 | Ideal
From $2,289
Compare at $20,270
IGISave 74.5%9.07ct | Cushion | G | VS1 | Excellent
From $4,700
Compare at $18,420
IGISave 81.3%9.07ct | Cushion | D | VS1 | Ideal
From $4,359
Compare at $23,300
GIASave 30.5%9.07ct | Cushion | H | VS2 | Very Good
From $6,058
Compare at $8,715
IGISave 81.9%9.07ct | Cushion | G | VS1 | Ideal
From $3,754
Compare at $20,730
IGISave 73.4%9.07ct | Cushion | E | VVS2 | Very Good
From $6,810
Compare at $25,560
GIASave 74.1%9.07ct | Cushion | H | VS2 | Very Good
From $5,910
Compare at $22,835
GIASave 37.3%9.07ct | Cushion | D | VVS1 | Excellent
From $26,735
Compare at $42,612
IGISave 69.3%9.08ct | Cushion | E | VVS2 | Very Good
From $8,277
Compare at $26,980
IGISave 84.1%9.08ct | Cushion | F | VS1 | Very Good
From $2,983
Compare at $18,730
GIASave 71.8%9.08ct | Cushion | E | VS1 | Excellent
From $11,776
Compare at $41,768
IGISave 78.8%9.08ct | Cushion | E | VVS2 | Ideal
From $4,853
Compare at $22,850
IGISave 85.7%9.08ct | Cushion | F | VS1 | Ideal
From $2,670
Compare at $18,730
IGISave 83.4%9.08ct | Cushion | F | VVS2 | Excellent
From $3,833
Compare at $23,130
IGISave 79.3%9.08ct | Cushion | E | VVS2 | Ideal
From $4,726
Compare at $22,850
IGISave 58.1%9.08ct | Cushion | G | VS1 | Ideal
From $6,783
Compare at $16,190
IGISave 71.5%9.09ct | Cushion | F | VVS2 | Very Good
From $6,867
Compare at $24,130
IGISave 84.1%9.09ct | Cushion | E | VS2 | Ideal
From $5,347
Compare at $33,550
IGISave 51.5%9.09ct | Cushion | G | VS1 | Ideal
From $2,234
Compare at $4,607
IGISave 86.4%9.09ct | Cushion | E | VVS2 | Ideal
From $2,601
Compare at $19,170
IGISave 85%9.09ct | Cushion | E | VVS2 | Excellent
From $2,740
Compare at $18,320
IGISave 81.1%9.09ct | Cushion | F | VVS2 | Excellent
From $3,836
Compare at $20,260
GIASave 70.1%9.09ct | Cushion | G | VS1 | Excellent
From $7,254
Compare at $24,225
IGISave 84.7%9.09ct | Cushion | F | VS2 | Ideal
From $2,234
Compare at $14,640
IGISave 75.6%9.09ct | Cushion | E | VS1 | Very Good
From $6,748
Compare at $27,610
IGISave 49.1%9.09ct | Cushion | G | VS1 | Ideal
From $8,181
Compare at $16,070
IGISave 81.9%9.09ct | Cushion | G | VS1 | Excellent
From $2,008
Compare at $11,100
IGISave 59.6%9.09ct | Cushion | F | VVS2 | Excellent
From $8,181
Compare at $20,260
IGISave 86%9.09ct | Cushion | E | VVS2 | Very Good
From $3,213
Compare at $22,960
GIASave 30.5%9.09ct | Cushion | I | VS2 | Very Good
From $6,072
Compare at $8,735
GIASave 77%9.09ct | Cushion | F | VVS2 | Excellent
From $15,799
Compare at $68,640
IGISave 37.9%9.1ct | Cushion | D | VS1 | Ideal
From $5,539
Compare at $8,915
IGISave 97.3%9.1ct | Cushion | D | VS1 | Excellent
From $1,280
Compare at $46,750
IGISave 86.7%9.1ct | Cushion | F | VVS2 | Very Good
From $2,706
Compare at $20,400
GIASave 66.1%9.1ct | Cushion | D | IF | Excellent
From $76,775
Compare at $226,800
IGISave 89%9.1ct | Cushion | F | VVS2 | Ideal
From $2,249
Compare at $20,400
Entry pricing in this category starts around $1,280.
What to Know When Shopping for 9.1 Carat Cushion Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $75,495 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 $3,664 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.
- Cushion cuts come in standard and modified brilliant varieties. Modified brilliants tend to show more fire, while standard cushions have broader facets.
Frequently Asked Questions
We currently track 69 comparable stones in this segment. Prices start around $1,280 and go up to $76,775.
Based on the latest market data, the average asking price is about $5,865 with a median around $3,664.
The observed spread is roughly $75,495 across tracked listings, which is about 98.3% 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 $3,664, 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 $75,495 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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