CaratHunter
Plans
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 $221 AUD
As of November 4, 2026
Save $934 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,156 AUD 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 $221 to $1,156, a $934 spread on the same certified stone. MOH London lists it at $1,156. 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

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: $1,156 AUD|Low: $197 AUD|High: $1,371 AUD|Avg: $559 AUD|-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$200 AUD
Retailer 7$221 AUD
Retailer 5$231 AUD
Retailer 4$249 AUD
Retailer 2$319 AUD
Retailer 10$419 AUD
Retailer 14$429 AUD
Retailer 3$463 AUD
Retailer 11$470 AUD
Retailer 15$479 AUD
Retailer 6$603 AUD
Retailer 12$631 AUD
Retailer 8$684 AUD
Retailer 16$764 AUD
Retailer 17$797 AUD
Retailer 13$929 AUD
MOH London$1,156 AUD

42 data points across 17 retailers

18 retailers$221 AUD to $1,156 AUD

Retailer 1
-
$200 AUD
Price last confirmed 14 days ago
A
Retailer 2
-
$221 AUD
View
Final sale: no returns
Retailer 3
-
$231 AUD
View
Price last confirmed 13 days ago
Retailer 4
-
$249 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$291 AUD
View
A
Retailer 6
-
$319 AUD
View
A
Retailer 7
-
$419 AUD
View
Retailer 8
-
$429 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$463 AUD
View
A
Retailer 10
-
$470 AUD
View
B+
Retailer 11
-
$479 AUD
View
Retailer 12
-
$603 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$631 AUD
View
B+
Retailer 14
-
$684 AUD
View
Retailer 15
-
$764 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
$797 AUD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$929 AUD
View
Most Expensive
B
MOH London
LG792663045 · Nov 4
$1,156 AUD
£637 GBP
View
17 more retailers have this diamond
Prices start from $221 AUDSave up to $934 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
1.09ct Marquise
$221 AUD