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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 $218 NZD
$123 USD
As of November 2, 2026
Save $747 NZD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,251 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,251 NZD|Low: $209 NZD|High: $2,278 NZD|Avg: $643 NZD
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$218 NZD
Retailer 5$243 NZD
Retailer 13$252 NZD
Retailer 3$287 NZD
Retailer 10$287 NZD
Retailer 6$497 NZD
Retailer 12$520 NZD
Retailer 2$553 NZD
Retailer 7$651 NZD
Retailer 4$672 NZD
Retailer 11$866 NZD
Retailer 8$965 NZD
MOH London$2,251 NZD

43 data points across 13 retailers

14 retailers$218 NZD to $965 NZD

A
Cheapest Retailer
-
$218 NZD
$123 USD
A
Retailer 2
-
$243 NZD
$137 USD
View
Final sale: no returns
A
Retailer 3
-
$252 NZD
$142 USD
View
A
Retailer 4
-
$287 NZD
$162 USD
View
Retailer 5
-
$287 NZD
$162 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$497 NZD
$280 USD
View
B+
Retailer 7
-
$520 NZD
$293 USD
View
B
Retailer 8
-
$545 NZD
HK$2,400 HKD
View
B
Retailer 9
-
$553 NZD
£246 GBP
View
B
Retailer 10
-
$651 NZD
£289 GBP
View
B
Retailer 11
-
$672 NZD
$379 USD
View
B
Retailer 12
-
$866 NZD
$488 USD
View
B
Retailer 13
-
$965 NZD
$544 USD
View
Most Expensive
MOH London
LG532260819 · Nov 1
$2,251 NZD
£999 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $218 NZDSave up to $747 NZD

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
$218 NZD