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Marquise|Lab Grown|IGI

1.53ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG852643119

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852643119

Diamond specifications and retailer prices

From $611 AUD
$428 USD
As of November 1, 2026
Save $1,035 AUD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,645 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG852643119 or 852643119. Listed at 4 retailers as of November 1, 2026, with prices from $611 to $1,645, a $1,035 spread on the same certified stone. MOH London lists it at $1,645. 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

1.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852643119
Dimensions12.55 × 5.87 × 3.68 mm
L/W Ratio2.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm5.87 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852643119
Side View
Table 62.0%Crown 33.8°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,645 AUD|Low: $611 AUD|High: $1,645 AUD|Avg: $786 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$611 AUD
Retailer 2$645 AUD
Retailer 3$675 AUD
MOH London$1,645 AUD

4 data points across 4 retailers

4 retailers$611 AUD to $1,645 AUD

B+
Cheapest Retailer
-
$611 AUD
$428 USD
A
Retailer 2
-
$645 AUD
£356 GBP
View
A
Retailer 3
-
$675 AUD
$473 USD
View
Most Expensive
B
MOH London
LG852643119 · Nov 2
$1,645 AUD
£908 GBP
View
3 more retailers have this diamond
Prices start from $611 AUDSave up to $1,035 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
1.53ct Marquise
$611 AUD