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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 $497 AUD
As of November 6, 2026
Save $773 AUD (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,270 AUD 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 $497 to $1,270, a $773 spread on the same certified stone. MOH London lists it at $1,270. 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: $1,270 AUD|Low: $461 AUD|High: $1,288 AUD|Avg: $746 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 6$476 AUD
Retailer 5$486 AUD
Retailer 3$497 AUD
Retailer 4$626 AUD
Retailer 7$647 AUD
Retailer 2$929 AUD
MOH London$1,270 AUD

12 data points across 7 retailers

4 retailers$497 AUD to $1,270 AUD

A
Cheapest Retailer
-
$497 AUD
B+
Retailer 2
-
$626 AUD
View
B
Retailer 3
-
$929 AUD
View
Most Expensive
B
MOH London
LG797647801 · Nov 4
$1,270 AUD
£700 GBP
View
3 more retailers have this diamond
Prices start from $497 AUDSave up to $773 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
1.11ct Marquise
$497 AUD