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Marquise|Lab Grown|IGI

0.50ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG532260819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG532260819

Diamond specifications and retailer prices

From $175 AUD
$123 USD
As of November 2, 2026
Save $599 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,806 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532260819 or 532260819. Listed at 14 retailers as of October 31, 2026, with a 342% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532260819
Dimensions8.13 × 4.23 × 2.41 mm
L/W Ratio1.92
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
8.13 mm4.23 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG532260819
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 57.0%

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: Nov 2
Current: $1,806 AUD|Low: $168 AUD|High: $1,828 AUD|Avg: $516 AUD
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 2, 2026
Retailer 9$175 AUD
Retailer 5$195 AUD
Retailer 13$202 AUD
Retailer 3$231 AUD
Retailer 10$231 AUD
Retailer 6$399 AUD
Retailer 12$417 AUD
Retailer 2$444 AUD
Retailer 7$522 AUD
Retailer 4$540 AUD
Retailer 11$695 AUD
Retailer 8$774 AUD
MOH London$1,806 AUD

43 data points across 13 retailers

14 retailers$175 AUD to $774 AUD

A
Cheapest Retailer
-
$175 AUD
$123 USD
A
Retailer 2
-
$195 AUD
$137 USD
View
Final sale: no returns
A
Retailer 3
-
$202 AUD
$142 USD
View
A
Retailer 4
-
$231 AUD
$162 USD
View
Retailer 5
-
$231 AUD
$162 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$399 AUD
$280 USD
View
B+
Retailer 7
-
$417 AUD
$293 USD
View
B
Retailer 8
-
$437 AUD
HK$2,400 HKD
View
B
Retailer 9
-
$444 AUD
£246 GBP
View
B
Retailer 10
-
$522 AUD
£289 GBP
View
B
Retailer 11
-
$540 AUD
$379 USD
View
B
Retailer 12
-
$695 AUD
$488 USD
View
B
Retailer 13
-
$774 AUD
$544 USD
View
Most Expensive
MOH London
LG532260819 · Nov 1
$1,806 AUD
£999 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $175 AUDSave up to $599 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
0.50ct Marquise
$175 AUD