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Marquise|Lab Grown|IGI

1.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG823639837

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823639837

Diamond specifications and retailer prices

From $291 AUD
As of November 4, 2026
Save $875 AUD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,167 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG823639837 or 823639837. Listed at 8 retailers as of November 2, 2026, with prices from $291 to $1,167, a $875 spread on the same certified stone. MOH London lists it at $1,167. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823639837
Dimensions11.43 × 5.11 × 3.00 mm
L/W Ratio2.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm5.11 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823639837
Side View
Table 61.0%Crown 30°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 58.7%

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 4
Current: $1,167 AUD|Low: $340 AUD|High: $1,181 AUD|Avg: $570 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$340 AUD
Retailer 7$413 AUD
Retailer 2$427 AUD
Retailer 4$454 AUD
Retailer 3$473 AUD
Retailer 5$700 AUD
MOH London$1,167 AUD

41 data points across 7 retailers

8 retailers$291 AUD to $1,167 AUD

A
Cheapest Retailer
-
$291 AUD
B+
Retailer 2
-
$340 AUD
View
A
Retailer 3
-
$413 AUD
View
A
Retailer 4
-
$427 AUD
View
Retailer 5
-
$454 AUD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$473 AUD
View
B+
Retailer 7
-
$700 AUD
View
Most Expensive
B
MOH London
LG823639837 · Nov 2
$1,167 AUD
£643 GBP
View
7 more retailers have this diamond
Prices start from $291 AUDSave up to $875 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
1.01ct Marquise
$291 AUD