4.6 Carat Cushion Lab Grown Diamond Prices Comparison
As of April 2026, 4.6 carat cushion lab grown diamonds usually range from $780 to $33,379, with an average price of $4,886.In the last month, prices for these diamonds are down 0.5%.Compare 120 verified listings across 8 retailers tracked by CaratRadar.
4.6 Carat Cushion Lab Grown Diamond Market Overview
CaratRadar currently tracks 120 verified 4.6-carat cushion lab grown diamonds listed across 8 online retailers. Prices in this segment range from $780 to $33,379, with an average asking price of $4,886 and a median of $3,469.
The price spread of $32,599 (97.7% 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.
120 diamonds tracked in this segment
Price range: $780 to $33,379
Average price: $4,886
Median price: $3,469
Available across 8 retailers
Savings potential: up to 97.7%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
120
$780
$4,886
$3,469
$33,379
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 77.7%GCAL | 4.6ct | Cushion | F | VS1 | Excellent
From $2,058
Compare at $9,240
Save 77.7%GCAL | 4.6ct | Cushion | F | VVS2 | Excellent
From $2,071
Compare at $9,290
Save 75.4%GIA | 4.6ct | Cushion | D | VVS1 | Very Good
From $7,130
Compare at $28,960
Save 64.6%GIA | 4.6ct | Cushion | E | VS1 | Excellent
From $3,945
Compare at $11,150
Save 62.6%GIA | 4.6ct | Cushion | D | VVS1 | Excellent
From $7,647
Compare at $20,468
Save 72.8%IGI | 4.6ct | Cushion | G | SI1 | Very Good
From $1,757
Compare at $6,450
Save 75.6%IGI | 4.6ct | Cushion | G | VS1 | Very Good
From $1,281
Compare at $5,250
Save 72.5%IGI | 4.6ct | Cushion | G | VS1 | Ideal
From $1,352
Compare at $4,920
Save 72.7%IGI | 4.6ct | Cushion | E | VS2 | Ideal
From $1,408
Compare at $5,150
Save 78.3%IGI | 4.6ct | Cushion | E | VVS2 | Very Good
From $1,503
Compare at $6,910
Save 77.1%IGI | 4.6ct | Cushion | E | VVS2 | Very Good
From $2,206
Compare at $9,650
Save 73.9%IGI | 4.6ct | Cushion | D | IF | Very Good
From $12,320
Compare at $47,280
Save 73.9%IGI | 4.6ct | Cushion | D | IF | Ideal
From $12,320
Compare at $47,280
Save 42%IGI | 4.6ct | Cushion | G | VVS2 | Very Good
From $1,503
Compare at $2,591
Save 76.4%IGI | 4.6ct | Cushion | G | VVS2 | Ideal
From $1,880
Compare at $7,970
Save 41.9%IGI | 4.6ct | Cushion | G | VVS2 | Very Good
From $2,519
Compare at $4,335
Save 50.4%IGI | 4.6ct | Cushion | F | VS2 | Ideal
From $2,438
Compare at $4,920
Save 75.9%IGI | 4.6ct | Cushion | F | VVS2 | Very Good
From $1,762
Compare at $7,300
Save 63.9%GCAL | 4.61ct | Cushion | D | FL | Excellent
From $31,366
Compare at $86,939
Save 72.5%GIA | 4.61ct | Cushion | G | VS2 | Ideal
From $3,328
Compare at $12,100
Save 75.6%IGI | 4.61ct | Cushion | G | VS1 | Very Good
From $1,256
Compare at $5,150
Save 73.3%IGI | 4.61ct | Cushion | D | IF | Ideal
From $15,248
Compare at $57,170
Save 41.3%IGI | 4.61ct | Cushion | F | VS1 | Very Good
From $2,526
Compare at $4,300
Save 77.7%IGI | 4.61ct | Cushion | E | VS1 | Ideal
From $1,440
Compare at $6,450
Save 69.7%IGI | 4.61ct | Cushion | D | VVS2 | Very Good
From $3,959
Compare at $13,050
Save 69.7%IGI | 4.61ct | Cushion | D | VVS2 | Very Good
From $3,959
Compare at $13,050
Save 71.6%IGI | 4.61ct | Cushion | D | IF | Excellent
From $11,290
Compare at $39,763
Save 64.6%IGI | 4.61ct | Cushion | D | FL | Excellent
From $20,819
Compare at $58,820
Save 28%IGI | 4.61ct | Cushion | E | VVS1 | Very Good
From $2,595
Compare at $3,606
Save 58%IGI | 4.61ct | Cushion | FANCY | VS1 | Very Good
From $4,397
Compare at $10,471
Save 66.5%IGI | 4.61ct | Cushion | E | VVS2 | Very Good
From $2,473
Compare at $7,390
Save 69.3%IGI | 4.62ct | Cushion | H | VS2 | Very Good
From $1,765
Compare at $5,750
Save 75.6%IGI | 4.62ct | Cushion | G | VS1 | Very Good
From $1,258
Compare at $5,160
Save 69.7%IGI | 4.62ct | Cushion | D | VVS2 | Very Good
From $3,968
Compare at $13,080
Save 55.5%IGI | 4.62ct | Cushion | E | VVS1 | Very Good
From $5,682
Compare at $12,760
Save 68.3%IGI | 4.62ct | Cushion | E | VS1 | Ideal
From $1,258
Compare at $3,970
Save 68.3%IGI | 4.62ct | Cushion | E | VS1 | Ideal
From $1,258
Compare at $3,970
Save 85%IGI | 4.62ct | Cushion | E | VVS2 | Very Good
From $1,677
Compare at $11,170
Save 74.6%IGI | 4.63ct | Cushion | G | VS2 | Very Good
From $1,201
Compare at $4,720
Save 59.8%IGI | 4.63ct | Cushion | F | VVS2 | Ideal
From $2,535
Compare at $6,300
Save 73.4%IGI | 4.63ct | Cushion | D | VVS1 | Ideal
From $6,524
Compare at $24,540
IGI | 4.63ct | Cushion | E | VS1 | Very Good
From $1,716
Compare at $1,720
Save 84.1%IGI | 4.63ct | Cushion | D | VS1 | Ideal
From $1,838
Compare at $11,590
Save 77.9%IGI | 4.63ct | Cushion | E | VVS2 | Very Good
From $2,384
Compare at $10,790
Save 62.3%IGI | 4.63ct | Cushion | D | VVS1 | Ideal
From $5,649
Compare at $14,970
Save 72.4%IGI | 4.63ct | Cushion | E | VVS2 | Very Good
From $3,295
Compare at $11,930
Save 72.3%IGI | 4.63ct | Cushion | D | VVS2 | Very Good
From $3,976
Compare at $14,380
Save 36.2%IGI | 4.63ct | Cushion | E | VS1 | Very Good
From $1,509
Compare at $2,364
Save 28.3%IGI | 4.63ct | Cushion | D | IF | Very Good
From $11,563
Compare at $16,137
Save 64.8%IGI | 4.63ct | Cushion | E | VS1 | Ideal
From $2,454
Compare at $6,970
Entry pricing in this category starts around $780.
What to Know When Shopping for 4.6 Carat Cushion Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $32,599 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 $3,469 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 120 comparable stones in this segment. Prices start around $780 and go up to $33,379.
Based on the latest market data, the average asking price is about $4,886 with a median around $3,469.
The observed spread is roughly $32,599 across tracked listings, which is about 97.7% 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 $3,469, 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 8 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 $32,599 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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