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Marquise|Lab Grown|IGI

1.20ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843651000

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843651000

Diamond specifications and retailer prices

From $406 AUD
$285 USD
As of October 30, 2026
Save $994 AUD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,399 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843651000 or 843651000. Listed at 5 retailers as of October 25, 2026, with prices from $406 to $1,399, a $994 spread on the same certified stone. MOH London lists it at $1,399. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843651000
Dimensions10.22 × 5.27 × 3.71 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm5.27 mm1.20 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843651000
Side View
Table 60.0%Crown 40.4°Girdle: THK-VTKPavilion 41.6°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,399 AUD|Low: $406 AUD|High: $1,405 AUD|Avg: $795 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$406 AUD
Retailer 2$532 AUD
Retailer 3$604 AUD
Retailer 4$1,039 AUD
MOH London$1,399 AUD

16 data points across 5 retailers

5 retailers$406 AUD to $1,399 AUD

B+
Cheapest Retailer
-
$406 AUD
$285 USD
A
Retailer 2
-
$532 AUD
£294 GBP
View
A
Retailer 3
-
$604 AUD
$424 USD
View
B+
Retailer 4
-
$1,039 AUD
$730 USD
View
Most Expensive
B
MOH London
LG843651000 · Oct 25
$1,399 AUD
£774 GBP
View
4 more retailers have this diamond
Prices start from $406 AUDSave up to $994 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
1.20ct Marquise
$406 AUD