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Marquise|Lab Grown|IGI

0.31ct H SI2 Marquise Lab Grown Diamond

VG • H/SI2 • IGI LG539229188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG539229188

Diamond specifications and retailer prices

From $154 NZD
$87 USD
As of November 2, 2026
Save $1,252 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,406 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct lab-grown marquise diamond

This 0.31ct lab-grown marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG539229188 or 539229188. Listed at 11 retailers as of October 29, 2026, with prices from $154 to $1,406, a $1,252 spread on the same certified stone. MOH London lists it at $1,406. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229188
Dimensions7.53 × 3.50 × 2.08 mm
L/W Ratio2.15
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
7.53 mm3.50 mm0.31 ctH / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG539229188
Side View
Table 63.5%Crown 30.6°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 59.4%

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: $1,406 NZD|Low: $147 NZD|High: $1,415 NZD|Avg: $478 NZD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$154 NZD
Retailer 8$177 NZD
Retailer 9$202 NZD
Retailer 10$202 NZD
Retailer 2$302 NZD
Retailer 3$363 NZD
Retailer 7$405 NZD
Retailer 4$489 NZD
Retailer 11$589 NZD
Retailer 6$612 NZD
MOH London$1,406 NZD

17 data points across 11 retailers

11 retailers$154 NZD to $1,406 NZD

A
Cheapest Retailer
-
$154 NZD
$87 USD
B+
Retailer 2
-
$177 NZD
$100 USD
View
Retailer 3
-
$202 NZD
$114 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$202 NZD
$114 USD
View
B+
Retailer 5
-
$302 NZD
$170 USD
View
B+
Retailer 6
-
$363 NZD
HK$1,600 HKD
View
B
Retailer 7
-
$405 NZD
$228 USD
View
B
Retailer 8
-
$489 NZD
£217 GBP
View
B
Retailer 9
-
$589 NZD
$332 USD
View
B
Retailer 10
-
$612 NZD
$345 USD
View
Most Expensive
C
MOH London
LG539229188 · Oct 29
$1,406 NZD
£624 GBP
View
10 more retailers have this diamond
Prices start from $154 NZDSave up to $1,252 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
0.31ct Marquise
$154 NZD