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Marquise|Lab Grown|IGI

0.53ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG538299266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538299266

Diamond specifications and retailer prices

From $182 AUD
$128 USD
As of November 2, 2026
Save $1,707 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,889 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.53ct lab-grown marquise diamond

This 0.53ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538299266 or 538299266. Listed at 12 retailers as of November 1, 2026, with prices from $182 to $1,889, a $1,707 spread on the same certified stone. MOH London lists it at $1,889. 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

0.53
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538299266
Dimensions8.49 × 4.06 × 2.64 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.49 mm4.06 mm0.53 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538299266
Side View
Table 59.5%Crown 37°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 65.0%

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 2
Current: $1,889 AUD|Low: $175 AUD|High: $1,911 AUD|Avg: $580 AUD|-1.0%
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
November 1, 2026
Retailer 8$182 AUD
Retailer 12$212 AUD
Retailer 9$226 AUD
Retailer 13$226 AUD
Retailer 2$413 AUD
Retailer 11$433 AUD
Retailer 4$437 AUD
Retailer 6$546 AUD
Retailer 3$551 AUD
Retailer 10$727 AUD
Retailer 7$769 AUD
Retailer 5$840 AUD
MOH London$1,889 AUD

21 data points across 13 retailers

12 retailers$182 AUD to $1,889 AUD

A
Cheapest Retailer
-
$182 AUD
$128 USD
A
Retailer 2
-
$212 AUD
$149 USD
View
A
Retailer 3
-
$226 AUD
$159 USD
View
Retailer 4
-
$226 AUD
$159 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$413 AUD
$290 USD
View
A
Retailer 6
-
$433 AUD
$304 USD
View
A
Retailer 7
-
$437 AUD
HK$2,400 HKD
View
B+
Retailer 8
-
$546 AUD
£302 GBP
View
B+
Retailer 9
-
$551 AUD
$387 USD
View
B+
Retailer 10
-
$727 AUD
$511 USD
View
B+
Retailer 11
-
$769 AUD
$540 USD
View
Most Expensive
B
MOH London
LG538299266 · Nov 1
$1,889 AUD
£1,045 GBP
View
11 more retailers have this diamond
Prices start from $182 AUDSave up to $1,707 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
0.53ct Marquise
$182 AUD