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Marquise|Lab Grown|IGI

1.12ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG764673045

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764673045

Diamond specifications and retailer prices

From $461 AUD
As of November 6, 2026
Save $1,057 AUD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,518 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.12ct lab-grown marquise diamond

This 1.12ct 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 LG764673045 or 764673045. Listed at 3 retailers as of November 1, 2026, with prices from $461 to $1,518, a $1,057 spread on the same certified stone. MOH London lists it at $1,518. 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

1.12
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764673045
Dimensions10.70 × 5.45 × 3.38 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.70 mm5.45 mm1.12 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764673045
Side View
Table 56.0%Crown 33°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,518 AUD|Low: $461 AUD|High: $1,538 AUD|Avg: $893 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$461 AUD
Retailer 5$521 AUD
Retailer 4$640 AUD
Retailer 2$796 AUD
Retailer 6$1,416 AUD
MOH London$1,518 AUD

9 data points across 6 retailers

3 retailers$461 AUD to $1,518 AUD

B+
Cheapest Retailer
-
$461 AUD
B+
Retailer 2
-
$796 AUD
View
Most Expensive
B
MOH London
LG764673045 · Nov 1
$1,518 AUD
£837 GBP
View
2 more retailers have this diamond
Prices start from $461 AUDSave up to $1,057 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.

B+
1.12ct Marquise
$461 AUD