Cushion|Lab Grown|IGI

4.01ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG818616046

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818616046

Diamond specifications and retailer prices

From $608 USD
As of October 29, 2026
Save $6,382 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,990 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG818616046 or 818616046. Listed at 14 retailers as of October 28, 2026, with prices from $608 to $6,990, a $6,382 spread on the same certified stone. Brilliant Earth lists it at $6,990. 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

4.01
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818616046
Dimensions8.73 × 8.70 × 5.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.73 mm8.70 mm4.01 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818616046
Side View
Table 64.0%Crown 35.5°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $6,990 USD|Low: $565 USD|High: $253,159 USD|Avg: $2,989 USD
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 31, 2026
Retailer 13$565 USD
Retailer 14$608 USD
Retailer 12$673 USD
Retailer 2$805 USD
Retailer 3$902 USD
Retailer 7$1,048 USD
Retailer 8$1,133 USD
Retailer 5$1,565 USD
Retailer 10$1,966 USD
Retailer 4$2,166 USD
Retailer 9$2,180 USD
Retailer 6$2,184 USD
Retailer 11$2,845 USD
Brilliant Earth$6,990 USD

22 data points across 14 retailers

14 retailers$608 USD to $6,990 USD

Retailer 1
-
$565 USD
£444 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$608 USD
View
Final sale: no returns
Retailer 3
-
$673 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$805 USD
View
B+
Retailer 5
-
$902 USD
View
A
Retailer 6
-
$1,048 USD
£825 GBP
View
A
Retailer 7
-
$1,133 USD
€1,079 EUR
View
A
Retailer 8
-
$1,565 USD
View
B+
Retailer 9
-
$1,966 USD
£1,548 GBP
View
B+
Retailer 10
-
$2,166 USD
View
B+
Retailer 11
-
$2,180 USD
View
B+
Retailer 12
-
$2,184 USD
View
Retailer 13
-
$2,845 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21799642A · Oct 28
$6,990 USD
View
13 more retailers have this diamond
Prices start from $608 USDSave up to $6,382 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
4.01ct Cushion
$608 USD