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Cushion|Lab Grown|IGI

1.12ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG644498954

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG644498954

Diamond specifications and retailer prices

From $328 USD
€312 EUR
As of October 29, 2026
Save $613 USD (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $941 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.12ct lab-grown cushion diamond

This 1.12ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644498954 or 644498954. Listed at 11 retailers as of October 26, 2026, with prices from $328 to $941, a $613 spread on the same certified stone. MOH London lists it at $941. 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

1.12
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644498954
Dimensions6.24 × 6.15 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.24 mm6.15 mm1.12 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644498954
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 64.9%

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: $941 USD|Low: $229 USD|High: $1,030 USD|Avg: $504 USD|+14.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$262 USD
Retailer 5$328 USD
Retailer 10$349 USD
Retailer 2$352 USD
Retailer 11$364 USD
Retailer 6$392 USD
Retailer 9$523 USD
Retailer 3$576 USD
Retailer 7$585 USD
Retailer 4$690 USD
MOH London$941 USD

37 data points across 11 retailers

11 retailers$328 USD to $941 USD

Retailer 1
-
$262 USD
£206 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$328 USD
€312 EUR
View
A
Retailer 3
-
$349 USD
View
A
Retailer 4
-
$352 USD
£277 GBP
View
A
Retailer 5
-
$364 USD
View
A
Retailer 6
-
$392 USD
£309 GBP
View
B+
Retailer 7
-
$523 USD
View
B+
Retailer 8
-
$576 USD
View
B+
Retailer 9
-
$585 USD
View
B+
Retailer 10
-
$690 USD
View
Most Expensive
B
MOH London
644498954 · Oct 26
$941 USD
£741 GBP
View
10 more retailers have this diamond
Prices start from $328 USDSave up to $613 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
1.12ct Cushion
$328 USD