5.3 Carat Cushion Lab Grown Diamond Prices Comparison
As of February 2026, 5.3 carat cushion lab grown diamonds usually range from $1,021 to $57,990, with an average price of $6,277.In the last month, prices for these diamonds are down 2.7%.Compare 138 verified listings across 7 retailers tracked by CaratRadar.
5.3 Carat Cushion Lab Grown Diamond Market Overview
CaratRadar currently tracks 138 verified 5.3-carat cushion lab grown diamonds listed across 7 online retailers. Prices in this segment range from $1,021 to $57,990, with an average asking price of $6,277 and a median of $2,078.
The price spread of $56,969 (98.2% 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.
138 diamonds tracked in this segment
Price range: $1,021 to $57,990
Average price: $6,277
Median price: $2,078
Available across 7 retailers
Savings potential: up to 98.2%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
138
$1,021
$6,277
$2,078
$57,990
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 83.2%5.25ct | Cushion | F | VS2 | Ideal
From $1,895
Compare at $11,290
GIASave 81.8%5.25ct | Cushion | E | VVS2 | Ideal
From $4,541
Compare at $24,980
IGISave 85.9%5.25ct | Cushion | G | VS1 | Ideal
From $1,573
Compare at $11,130
IGISave 81.7%5.25ct | Cushion | G | VS2 | Ideal
From $1,551
Compare at $8,480
IGISave 84.9%5.25ct | Cushion | D | VS1 | Very Good
From $2,018
Compare at $13,360
IGISave 18.9%5.25ct | Cushion | E | VS1 | Very Good
From $1,276
Compare at $1,573
IGISave 84.7%5.25ct | Cushion | F | VVS2 | Ideal
From $1,240
Compare at $8,080
IGISave 83.2%5.25ct | Cushion | F | VS2 | Ideal
From $1,895
Compare at $11,290
IGISave 86.4%5.25ct | Cushion | E | VS1 | Ideal
From $2,090
Compare at $15,390
IGISave 86.1%5.25ct | Cushion | F | VS2 | Ideal
From $1,477
Compare at $10,610
IGISave 73.4%5.25ct | Cushion | D | IF | Ideal
From $14,345
Compare at $53,960
GIASave 81.9%5.25ct | Cushion | D | VVS1 | Excellent
From $7,759
Compare at $42,905
IGISave 83.1%5.25ct | Cushion | D | VVS1 | Ideal
From $7,255
Compare at $42,970
IGISave 82.2%5.25ct | Cushion | E | VVS2 | Very Good
From $4,251
Compare at $23,820
IGISave 73.5%5.25ct | Cushion | D | VVS2 | Ideal
From $2,501
Compare at $9,450
IGISave 86.4%5.26ct | Cushion | E | VS1 | Ideal
From $2,094
Compare at $15,420
IGISave 80.7%5.26ct | Cushion | F | VS1 | Ideal
From $1,840
Compare at $9,530
GIASave 71.8%5.26ct | Cushion | G | VS2 | Ideal
From $2,534
Compare at $8,980
GIASave 81.4%5.26ct | Cushion | E | VS1 | Ideal
From $2,896
Compare at $15,610
IGISave 86.5%5.26ct | Cushion | F | VS1 | Ideal
From $1,951
Compare at $14,400
IGISave 87.5%5.26ct | Cushion | F | VS1 | Ideal
From $1,629
Compare at $13,020
IGISave 80.7%5.26ct | Cushion | F | VS1 | Ideal
From $1,840
Compare at $9,530
IGISave 62.2%5.26ct | Cushion | D | VVS1 | Very Good
From $5,104
Compare at $13,515
IGISave 38.9%5.26ct | Cushion | D | IF | Excellent
From $20,570
Compare at $33,667
IGISave 80.4%5.26ct | Cushion | G | VVS2 | Very Good
From $1,779
Compare at $9,090
GIASave 74.4%5.26ct | Cushion | D | VVS1 | Excellent
From $11,023
Compare at $42,986
GIASave 29.3%5.26ct | Cushion | D | FL | Ideal
From $57,400
Compare at $81,193
IGISave 88.3%5.26ct | Cushion | G | VS1 | Ideal
From $1,308
Compare at $11,150
IGISave 75.9%5.26ct | Cushion | E | VS1 | Ideal
From $2,058
Compare at $8,533
IGISave 75.7%5.26ct | Cushion | F | VVS2 | Fair
From $2,870
Compare at $11,810
IGISave 72.4%5.26ct | Cushion | D | VVS2 | Excellent
From $3,946
Compare at $14,280
IGISave 80.8%5.26ct | Cushion | E | VVS2 | Very Good
From $2,016
Compare at $10,490
GIASave 82.1%5.26ct | Cushion | D | VS2 | Very Good
From $4,182
Compare at $23,410
IGISave 85.9%5.26ct | Cushion | G | VS1 | Ideal
From $1,576
Compare at $11,150
IGISave 87.9%5.26ct | Cushion | G | VS2 | Ideal
From $1,225
Compare at $10,130
IGISave 74.9%5.26ct | Cushion | F | VS1 | Very Good
From $1,780
Compare at $7,080
IGISave 85.9%5.27ct | Cushion | G | VS1 | Ideal
From $1,579
Compare at $11,170
GIASave 81.4%5.27ct | Cushion | D | VVS1 | Excellent
From $7,506
Compare at $40,350
GIASave 80.7%5.27ct | Cushion | D | VVS1 | Excellent
From $7,786
Compare at $40,350
GIASave 46.1%5.27ct | Cushion | E | VS1 | Ideal
From $13,460
Compare at $24,980
IGISave 81.1%5.27ct | Cushion | E | VS1 | Very Good
From $1,939
Compare at $10,240
IGISave 77.2%5.27ct | Cushion | H | VVS2 | Ideal
From $1,994
Compare at $8,750
IGISave 85.6%5.27ct | Cushion | D | VVS2 | Ideal
From $2,213
Compare at $15,390
IGISave 75.1%5.27ct | Cushion | E | VS1 | Excellent
From $2,126
Compare at $8,549
GIASave 17%5.27ct | Cushion | H | VS1 | Very Good
From $2,949
Compare at $3,552
IGISave 88.5%5.27ct | Cushion | G | VS1 | Ideal
From $1,281
Compare at $11,170
IGISave 77.2%5.27ct | Cushion | E | VVS2 | Ideal
From $2,177
Compare at $9,565
IGISave 76.1%5.27ct | Cushion | F | VS1 | Fair
From $2,609
Compare at $10,910
IGISave 52.9%5.27ct | Cushion | E | VS2 | Excellent
From $3,030
Compare at $6,430
GIASave 68.3%5.28ct | Cushion | E | VVS1 | Excellent
From $9,293
Compare at $29,343
Entry pricing in this category starts around $1,021.
What to Know When Shopping for 5.3 Carat Cushion Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $56,969 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 $2,078 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 138 comparable stones in this segment. Prices start around $1,021 and go up to $57,990.
Based on the latest market data, the average asking price is about $6,277 with a median around $2,078.
The observed spread is roughly $56,969 across tracked listings, which is about 98.2% 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 $2,078, 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 $56,969 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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