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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 $124 AUD
$87 USD
As of November 2, 2026
Save $1,004 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,128 AUD 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 $124 to $1,128, a $1,004 spread on the same certified stone. MOH London lists it at $1,128. 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: $1,128 AUD|Low: $118 AUD|High: $1,135 AUD|Avg: $384 AUD|+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$124 AUD
Retailer 8$142 AUD
Retailer 9$162 AUD
Retailer 10$162 AUD
Retailer 2$242 AUD
Retailer 3$292 AUD
Retailer 7$325 AUD
Retailer 4$392 AUD
Retailer 11$473 AUD
Retailer 6$491 AUD
MOH London$1,128 AUD

17 data points across 11 retailers

11 retailers$124 AUD to $1,128 AUD

A
Cheapest Retailer
-
$124 AUD
$87 USD
B+
Retailer 2
-
$142 AUD
$100 USD
View
Retailer 3
-
$162 AUD
$114 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$162 AUD
$114 USD
View
B+
Retailer 5
-
$242 AUD
$170 USD
View
B+
Retailer 6
-
$292 AUD
HK$1,600 HKD
View
B
Retailer 7
-
$325 AUD
$228 USD
View
B
Retailer 8
-
$392 AUD
£217 GBP
View
B
Retailer 9
-
$473 AUD
$332 USD
View
B
Retailer 10
-
$491 AUD
$345 USD
View
Most Expensive
C
MOH London
LG539229188 · Oct 29
$1,128 AUD
£624 GBP
View
10 more retailers have this diamond
Prices start from $124 AUDSave up to $1,004 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
0.31ct Marquise
$124 AUD