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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818673728

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818673728

Diamond specifications and retailer prices

From $185 SGD
As of November 6, 2026
Save $1,570 SGD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,755 SGD at MOH London · As of November 2, 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 LG818673728 or 818673728. Listed at 14 retailers as of November 2, 2026, with prices from $185 to $1,755, a $1,570 spread on the same certified stone. MOH London lists it at $1,755. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673728
Dimensions6.61 × 5.18 × 3.63 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm5.18 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673728
Side View
Table 59.0%Crown 35.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 70.1%

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: $1,755 SGD|Low: $185 SGD|High: $1,797 SGD|Avg: $640 SGD|-2.2%
MOH London
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
November 6, 2026
Retailer 8$185 SGD
Retailer 9$264 SGD
Retailer 14$279 SGD
Retailer 13$340 SGD
Retailer 2$368 SGD
Retailer 7$377 SGD
Retailer 3$390 SGD
Retailer 4$528 SGD
Retailer 12$570 SGD
Retailer 6$634 SGD
Retailer 5$641 SGD
Retailer 10$732 SGD
Retailer 11$1,239 SGD
MOH London$1,755 SGD

43 data points across 14 retailers

14 retailers$185 SGD to $1,755 SGD

A
Cheapest Retailer
-
$185 SGD
Final sale: no returns
A
Retailer 2
-
$264 SGD
View
B+
Retailer 3
-
$279 SGD
View
A
Retailer 4
-
$340 SGD
View
A
Retailer 5
-
$368 SGD
View
A
Retailer 6
-
$377 SGD
View
A
Retailer 7
-
$390 SGD
View
A
Retailer 8
-
$528 SGD
View
B+
Retailer 9
-
$570 SGD
View
B+
Retailer 10
-
$634 SGD
View
B+
Retailer 11
-
$641 SGD
View
B+
Retailer 12
-
$732 SGD
View
B
Retailer 13
-
$1,239 SGD
View
Most Expensive
B
MOH London
LG818673728 · Nov 2
$1,755 SGD
£1,078 GBP
View
13 more retailers have this diamond
Prices start from $185 SGDSave up to $1,570 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
$185 SGD