CaratHunter
Plans
Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG729532548

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

Certificate IGI LG729532548

Diamond specifications and retailer prices

From $372 SGD
As of November 6, 2026
Save $908 SGD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,279 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG729532548 or 729532548. Listed at 8 retailers as of November 5, 2026, with prices from $372 to $1,279, a $908 spread on the same certified stone. MOH London lists it at $1,279. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729532548
Dimensions6.12 × 5.93 × 3.80 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.12 mm5.93 mm1.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729532548
Side View
Table 60.0%Crown 33.6°Girdle: THN-MEDPavilion 38.6°Culet: NoneDepth 64.1%

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 6
Current: $1,279 SGD|Low: $372 SGD|High: $1,299 SGD|Avg: $660 SGD|+4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$372 SGD
Retailer 6$396 SGD
Retailer 3$483 SGD
Retailer 2$508 SGD
Retailer 8$513 SGD
Retailer 5$628 SGD
Retailer 4$731 SGD
Retailer 9$951 SGD
MOH London$1,279 SGD

42 data points across 9 retailers

8 retailers$372 SGD to $1,279 SGD

B+
Cheapest Retailer
-
$372 SGD
A
Retailer 2
-
$396 SGD
View
A
Retailer 3
-
$483 SGD
View
B+
Retailer 4
-
$508 SGD
View
B+
Retailer 5
-
$628 SGD
View
B+
Retailer 6
-
$731 SGD
View
B
Retailer 7
-
$951 SGD
View
Most Expensive
B
MOH London
LG729532548 · Nov 5
$1,279 SGD
£786 GBP
View
7 more retailers have this diamond
Prices start from $372 SGDSave up to $908 SGD

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
1.03ct Cushion
$372 SGD