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Marquise|Lab Grown|IGI

1.11ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG797647801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797647801

Diamond specifications and retailer prices

From $445 SGD
As of November 6, 2026
Save $691 SGD (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,136 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.11ct lab-grown marquise diamond

This 1.11ct 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 LG797647801 or 797647801. Listed at 4 retailers as of November 4, 2026, with prices from $445 to $1,136, a $691 spread on the same certified stone. MOH London lists it at $1,136. 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

1.11
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797647801
Dimensions11.63 × 5.52 × 3.22 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.63 mm5.52 mm1.11 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797647801
Side View
Table 61.0%Crown 31.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,136 SGD|Low: $413 SGD|High: $1,152 SGD|Avg: $667 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 6$425 SGD
Retailer 5$434 SGD
Retailer 3$445 SGD
Retailer 4$559 SGD
Retailer 7$579 SGD
Retailer 2$830 SGD
MOH London$1,136 SGD

12 data points across 7 retailers

4 retailers$445 SGD to $1,136 SGD

A
Cheapest Retailer
-
$445 SGD
B+
Retailer 2
-
$559 SGD
View
B
Retailer 3
-
$830 SGD
View
Most Expensive
B
MOH London
LG797647801 · Nov 4
$1,136 SGD
£700 GBP
View
3 more retailers have this diamond
Prices start from $445 SGDSave up to $691 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
1.11ct Marquise
$445 SGD