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Cushion|Lab Grown|IGI

4.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG821643513

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821643513

Diamond specifications and retailer prices

From $1,388 USD
As of October 30, 2026
Save $4,932 USD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,320 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821643513 or 821643513. Listed at 4 retailers as of October 30, 2026, with prices from $1,388 to $6,320, a $4,932 spread on the same certified stone. Do Amore Diamonds lists it at $6,320. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643513
Dimensions11.51 × 8.07 × 5.00 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm8.07 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643513
Side View
Table 60.0%Crown 39.2°Girdle: STK-THKPavilion 37.5°Culet: LargeDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $6,320 USD|Low: $1,035 USD|High: $6,560 USD|Avg: $3,652 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 4$1,388 USD
Retailer 2$1,390 USD
Retailer 3$3,548 USD
Do Amore Diamonds$6,320 USD

14 data points across 4 retailers

4 retailers$1,388 USD to $6,320 USD

B+
Cheapest Retailer
-
$1,388 USD
B+
Retailer 2
-
$1,390 USD
View
B
Retailer 3
-
$3,548 USD
£2,794 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786122 · Oct 30
$6,320 USD
View
3 more retailers have this diamond
Prices start from $1,388 USDSave up to $4,932 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.

B+
4.01ct Cushion
$1,388 USD