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Marquise|Lab Grown|IGI

0.40ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG533215523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG533215523

Diamond specifications and retailer prices

From $185 NZD
$104 USD
As of November 2, 2026
Save $549 NZD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,916 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533215523 or 533215523. Listed at 12 retailers as of October 31, 2026, with a 297% 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

0.40
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533215523
Dimensions7.61 × 3.94 × 2.37 mm
L/W Ratio1.93
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
7.61 mm3.94 mm0.40 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG533215523
Side View
Table 63.0%Crown 28.6°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.2%

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: $1,916 NZD|Low: $176 NZD|High: $1,928 NZD|Avg: $576 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$185 NZD
Retailer 10$213 NZD
Retailer 7$243 NZD
Retailer 11$243 NZD
Retailer 4$409 NZD
Retailer 2$448 NZD
Retailer 9$460 NZD
Retailer 5$586 NZD
Retailer 3$629 NZD
Retailer 8$734 NZD
MOH London$1,916 NZD

45 data points across 11 retailers

12 retailers$185 NZD to $734 NZD

A
Cheapest Retailer
-
$185 NZD
$104 USD
A
Retailer 2
-
$213 NZD
$120 USD
View
A
Retailer 3
-
$243 NZD
$137 USD
View
Retailer 4
-
$243 NZD
$137 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$409 NZD
$230 USD
View
B+
Retailer 6
-
$432 NZD
HK$1,900 HKD
View
B+
Retailer 7
-
$448 NZD
£198 GBP
View
B+
Retailer 8
-
$460 NZD
$259 USD
View
B+
Retailer 9
-
$586 NZD
£260 GBP
View
B
Retailer 10
-
$629 NZD
$354 USD
View
B
Retailer 11
-
$734 NZD
$413 USD
View
Most Expensive
MOH London
LG533215523 · Oct 29
$1,916 NZD
£849 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $185 NZDSave up to $549 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
0.40ct Marquise
$185 NZD