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Marquise|Lab Grown|IGI

1.45ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843627406

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843627406

Diamond specifications and retailer prices

From $273 AUD
$192 USD
As of October 27, 2026
Save $1,314 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,587 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843627406 or 843627406. Listed at 9 retailers as of October 25, 2026, with prices from $273 to $1,587, a $1,314 spread on the same certified stone. MOH London lists it at $1,587. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843627406
Dimensions11.38 × 5.96 × 3.73 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.38 mm5.96 mm1.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843627406
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 27
Current: $1,587 AUD|Low: $273 AUD|High: $1,595 AUD|Avg: $931 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$273 AUD
Retailer 4$317 AUD
Retailer 2$418 AUD
Retailer 6$578 AUD
Retailer 8$809 AUD
Retailer 3$1,091 AUD
Retailer 9$1,189 AUD
Retailer 7$1,244 AUD
MOH London$1,587 AUD

9 data points across 9 retailers

9 retailers$273 AUD to $1,587 AUD

A
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$317 AUD
$223 USD
View
A
Retailer 3
-
$418 AUD
£231 GBP
View
A
Retailer 4
-
$578 AUD
€387 EUR
View
A
Retailer 5
-
$809 AUD
$569 USD
View
Retailer 6
-
$1,091 AUD
$767 USD
View
B+
Retailer 7
-
$1,189 AUD
$836 USD
View
B+
Retailer 8
-
$1,244 AUD
$875 USD
View
Most Expensive
B
MOH London
LG843627406 · Oct 25
$1,587 AUD
£879 GBP
View
8 more retailers have this diamond
Prices start from $273 AUDSave up to $1,314 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
1.45ct Marquise
$273 AUD