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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 $474 AUD
As of November 4, 2026
Save $893 AUD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,368 AUD at MOH London · As of November 2, 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 10 retailers as of November 2, 2026, with prices from $474 to $1,368, a $893 spread on the same certified stone. MOH London lists it at $1,368. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,368 AUD|Low: $333 AUD|High: $1,485 AUD|Avg: $733 AUD|+14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$381 AUD
Retailer 4$474 AUD
Retailer 2$508 AUD
Retailer 10$508 AUD
Retailer 11$530 AUD
Retailer 6$569 AUD
Retailer 9$761 AUD
Retailer 3$838 AUD
Retailer 7$851 AUD
Retailer 5$1,004 AUD
MOH London$1,368 AUD

37 data points across 11 retailers

10 retailers$474 AUD to $1,368 AUD

A
Cheapest Retailer
-
$474 AUD
A
Retailer 2
-
$508 AUD
View
A
Retailer 3
-
$508 AUD
View
A
Retailer 4
-
$530 AUD
View
Retailer 5
-
$569 AUD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$761 AUD
View
B+
Retailer 7
-
$838 AUD
View
B+
Retailer 8
-
$851 AUD
View
B+
Retailer 9
-
$1,004 AUD
View
Most Expensive
B
MOH London
644498954 · Nov 2
$1,368 AUD
£740 GBP
View
9 more retailers have this diamond
Prices start from $474 AUDSave up to $893 AUD

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
$474 AUD