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Cushion|Lab Grown|IGI

3.21ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG642498377

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG642498377

Diamond specifications and retailer prices

From $720 USD
As of October 29, 2026
Save $2,630 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,350 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG642498377 or 642498377. Listed at 13 retailers as of October 29, 2026, with prices from $720 to $3,350, a $2,630 spread on the same certified stone. Brilliant Earth lists it at $3,350. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.21
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642498377
Dimensions8.63 × 8.51 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.63 mm8.51 mm3.21 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642498377
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,350 USD|Low: $536 USD|High: $3,610 USD|Avg: $1,510 USD|-6.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 10$622 USD
Retailer 12$720 USD
Retailer 11$748 USD
Retailer 7$863 USD
Retailer 4$966 USD
Retailer 13$987 USD
Retailer 2$1,035 USD
Retailer 14$1,326 USD
Retailer 6$1,448 USD
Retailer 3$2,026 USD
Retailer 5$2,307 USD
Retailer 9$2,515 USD
Retailer 8$2,611 USD
Brilliant Earth$3,350 USD

37 data points across 14 retailers

13 retailers$720 USD to $3,350 USD

Retailer 1
-
$622 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$720 USD
View
Retailer 3
-
$748 USD
£589 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$863 USD
€822 EUR
View
A
Retailer 5
-
$966 USD
View
A
Retailer 6
-
$987 USD
View
A
Retailer 7
-
$1,035 USD
£815 GBP
View
A
Retailer 8
-
$1,326 USD
View
Retailer 9
-
$2,026 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$2,307 USD
View
Retailer 11
-
$2,515 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$2,611 USD
£2,056 GBP
View
Most Expensive
B
Brilliant Earth
10926816A · Oct 29
$3,350 USD
View
12 more retailers have this diamond
Prices start from $720 USDSave up to $2,630 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.21ct Cushion
$720 USD