6 Carat Cushion Lab Grown Diamond Prices Comparison
As of May 2026, 6 carat cushion lab grown diamonds usually range from $665 to $32,862, with an average price of $4,714.In the last month, prices for these diamonds are down 6.9%.Compare 232 verified listings across 8 retailers tracked by CaratRadar.
6 Carat Cushion Lab Grown Diamond Market Overview
CaratRadar currently tracks 232 verified 6-carat cushion lab grown diamonds listed across 8 online retailers. Prices in this segment range from $665 to $32,862, with an average asking price of $4,714 and a median of $3,262.
The price spread of $32,197 (98.0% 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.
232 diamonds tracked in this segment
Price range: $665 to $32,862
Average price: $4,714
Median price: $3,262
Available across 8 retailers
Savings potential: up to 98.0%
Price Range Overview
As of May 31, 2026Real market range for this carat, shape, and diamond type.
232
$665
$4,714
$3,262
$32,862
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 63.1%IGI | 6.04ct | Cushion | F | VS1 | Very Good
From $1,173
Compare at $3,178
Save 62.8%IGI | 6.03ct | Cushion | F | VS1 | Very Good
From $1,176
Compare at $3,165
Save 62.5%IGI | 6ct | Cushion | F | VS1 | Very Good
From $1,177
Compare at $3,135
Save 62.5%IGI | 6ct | Cushion | F | VS1 | Very Good
From $1,177
Compare at $3,135
Save 60.8%IGI | 6.09ct | Cushion | G | VS1 | Ideal
From $1,189
Compare at $3,031
Save 63%IGI | 6.09ct | Cushion | F | VS1 | Very Good
From $1,194
Compare at $3,230
Save 62.2%IGI | 6.02ct | Cushion | F | VS1 | Very Good
From $1,196
Compare at $3,160
Save 63.3%IGI | 6.03ct | Cushion | E | VVS2 | Very Good
From $1,200
Compare at $3,271
Save 63.2%IGI | 6.02ct | Cushion | E | VVS2 | Very Good
From $1,200
Compare at $3,261
Save 75.7%IGI | 6ct | Cushion | E | VS1 | Excellent
From $1,212
Compare at $4,997
Save 75.7%IGI | 6.01ct | Cushion | F | VS1 | Excellent
From $1,214
Compare at $5,006
Save 63.1%IGI | 6.05ct | Cushion | E | VVS2 | Very Good
From $1,215
Compare at $3,295
Save 63.3%IGI | 6.07ct | Cushion | E | VVS2 | Very Good
From $1,215
Compare at $3,315
Save 63.2%IGI | 6.06ct | Cushion | E | VVS2 | Very Good
From $1,215
Compare at $3,305
Save 63.2%IGI | 6.06ct | Cushion | E | VVS2 | Very Good
From $1,215
Compare at $3,305
Save 63.4%IGI | 6.09ct | Cushion | H | VS1 | Ideal
From $1,216
Compare at $3,322
Save 72.2%IGI | 6.02ct | Cushion | F | VS2 | Very Good
From $1,217
Compare at $4,375
Save 72.2%IGI | 6.09ct | Cushion | E | VS2 | Very Good
From $1,218
Compare at $4,388
Save 63.3%IGI | 6.08ct | Cushion | E | VVS2 | Very Good
From $1,220
Compare at $3,326
Save 61%IGI | 6.07ct | Cushion | E | VS1 | Very Good
From $1,226
Compare at $3,144
Save 60.4%IGI | 6.02ct | Cushion | E | VS1 | Ideal
From $1,228
Compare at $3,102
Save 61.9%IGI | 6.02ct | Cushion | E | VVS2 | Excellent
From $1,243
Compare at $3,261
Save 79.7%IGI | 6.01ct | Cushion | F | VS2 | Ideal
From $1,247
Compare at $6,150
Save 62.1%IGI | 6.06ct | Cushion | E | VVS2 | Excellent
From $1,250
Compare at $3,302
Save 58.9%IGI | 6ct | Cushion | E | VS1 | Ideal
From $1,260
Compare at $3,068
Save 61.9%IGI | 6.08ct | Cushion | E | VVS2 | Very Good
From $1,267
Compare at $3,326
Save 60%IGI | 6.09ct | Cushion | E | VS1 | Very Good
From $1,269
Compare at $3,173
Save 60%IGI | 6.09ct | Cushion | E | VS1 | Excellent
From $1,269
Compare at $3,173
Save 58.4%IGI | 6.08ct | Cushion | G | VS1 | Very Good
From $1,270
Compare at $3,055
Save 79.5%IGI | 6.03ct | Cushion | G | VS1 | Excellent
From $1,275
Compare at $6,210
Save 70%IGI | 6.01ct | Cushion | E | VS2 | Very Good
From $1,278
Compare at $4,257
Save 58.2%IGI | 6.01ct | Cushion | F | VVS2 | Very Good
From $1,284
Compare at $3,070
Save 70.2%IGI | 6.05ct | Cushion | E | VS2 | Very Good
From $1,287
Compare at $4,312
Save 70.2%IGI | 6.05ct | Cushion | E | VS2 | Ideal
From $1,290
Compare at $4,324
Save 60.5%IGI | 6.01ct | Cushion | H | VS1 | Ideal
From $1,291
Compare at $3,266
Save 69.7%IGI | 6.01ct | Cushion | F | VS2 | Very Good
From $1,291
Compare at $4,261
Save 59%IGI | 6.01ct | Cushion | F | VS1 | Very Good
From $1,292
Compare at $3,150
Save 59.1%IGI | 6.07ct | Cushion | F | VVS2 | Very Good
From $1,297
Compare at $3,168
Save 75.2%IGI | 6.05ct | Cushion | E | VS1 | Very Good
From $1,300
Compare at $5,240
Save 75.2%IGI | 6.05ct | Cushion | E | VS1 | Very Good
From $1,300
Compare at $5,240
Save 58.2%IGI | 6.02ct | Cushion | F | VVS2 | Very Good
From $1,304
Compare at $3,123
Save 79%IGI | 6.02ct | Cushion | G | VS1 | Ideal
From $1,306
Compare at $6,210
Save 58.1%IGI | 6.04ct | Cushion | E | VS1 | Very Good
From $1,310
Compare at $3,127
Save 58.3%IGI | 6.05ct | Cushion | E | VS1 | Very Good
From $1,311
Compare at $3,143
Save 58.9%IGI | 6.05ct | Cushion | F | VS1 | Very Good
From $1,312
Compare at $3,189
Save 57.7%IGI | 6ct | Cushion | F | VVS2 | Very Good
From $1,312
Compare at $3,100
Save 57.4%IGI | 6.01ct | Cushion | F | VVS2 | Very Good
From $1,325
Compare at $3,112
Save 59.8%IGI | 6.02ct | Cushion | E | VVS2 | Very Good
From $1,328
Compare at $3,307
Save 61.3%IGI | 6.01ct | Cushion | G | VVS2 | Very Good
From $1,329
Compare at $3,432
Save 59.8%IGI | 6ct | Cushion | E | VVS2 | Very Good
From $1,329
Compare at $3,302
Entry pricing in this category starts around $665.
What to Know When Shopping for 6 Carat Cushion Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $32,197 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 $3,262 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 232 comparable stones in this segment. Prices start around $665 and go up to $32,862.
Based on the latest market data, the average asking price is about $4,714 with a median around $3,262.
The observed spread is roughly $32,197 across tracked listings, which is about 98.0% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $4,714. The median price is $3,262, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
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 $32,197 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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