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Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG792663045

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792663045

Diamond specifications and retailer prices

From $198 SGD
As of November 4, 2026
Save $835 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,033 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise 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 LG792663045 or 792663045. Listed at 18 retailers as of November 4, 2026, with prices from $198 to $1,033, a $835 spread on the same certified stone. MOH London lists it at $1,033. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792663045
Dimensions10.27 × 5.50 × 3.38 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.27 mm5.50 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG792663045
Side View
Table 63.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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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: Nov 4
Current: $1,033 SGD|Low: $176 SGD|High: $1,226 SGD|Avg: $500 SGD|-4.6%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 9$179 SGD
Retailer 7$198 SGD
Retailer 5$207 SGD
Retailer 4$222 SGD
Retailer 2$285 SGD
Retailer 10$374 SGD
Retailer 14$383 SGD
Retailer 3$414 SGD
Retailer 11$420 SGD
Retailer 15$428 SGD
Retailer 6$539 SGD
Retailer 12$565 SGD
Retailer 8$612 SGD
Retailer 16$683 SGD
Retailer 17$713 SGD
Retailer 13$830 SGD
MOH London$1,033 SGD

42 data points across 17 retailers

18 retailers$198 SGD to $1,033 SGD

Retailer 1
-
$179 SGD
Price last confirmed 14 days ago
A
Retailer 2
-
$198 SGD
View
Final sale: no returns
Retailer 3
-
$207 SGD
View
Price last confirmed 13 days ago
Retailer 4
-
$222 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$261 SGD
View
A
Retailer 6
-
$285 SGD
View
A
Retailer 7
-
$374 SGD
View
Retailer 8
-
$383 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$414 SGD
View
A
Retailer 10
-
$420 SGD
View
B+
Retailer 11
-
$428 SGD
View
Retailer 12
-
$539 SGD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$565 SGD
View
B+
Retailer 14
-
$612 SGD
View
Retailer 15
-
$683 SGD
View
Price last confirmed 9 days ago
Retailer 16
-
$713 SGD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$830 SGD
View
Most Expensive
B
MOH London
LG792663045 · Nov 4
$1,033 SGD
£637 GBP
View
17 more retailers have this diamond
Prices start from $198 SGDSave up to $835 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
1.09ct Marquise
$198 SGD