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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 $122 CAD
$87 USD
As of October 30, 2026
Save $985 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,107 CAD 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 $122 to $1,107, a $985 spread on the same certified stone. MOH London lists it at $1,107. 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
Color
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: Oct 30
Current: $1,107 CAD|Low: $116 CAD|High: $1,114 CAD|Avg: $375 CAD|+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$122 CAD
Retailer 8$140 CAD
Retailer 9$159 CAD
Retailer 10$159 CAD
Retailer 2$237 CAD
Retailer 3$286 CAD
Retailer 7$318 CAD
Retailer 4$385 CAD
Retailer 11$464 CAD
Retailer 6$482 CAD
MOH London$1,107 CAD

18 data points across 11 retailers

11 retailers$122 CAD to $1,107 CAD

A
Cheapest Retailer
-
$122 CAD
$87 USD
B+
Retailer 2
-
$140 CAD
$100 USD
View
Retailer 3
-
$159 CAD
$114 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$159 CAD
$114 USD
View
B+
Retailer 5
-
$237 CAD
$170 USD
View
B+
Retailer 6
-
$286 CAD
HK$1,600 HKD
View
B
Retailer 7
-
$318 CAD
$228 USD
View
B
Retailer 8
-
$385 CAD
£217 GBP
View
B
Retailer 9
-
$464 CAD
$332 USD
View
B
Retailer 10
-
$482 CAD
$345 USD
View
Most Expensive
C
MOH London
LG539229188 · Oct 29
$1,107 CAD
£624 GBP
View
10 more retailers have this diamond
Prices start from $122 CADSave up to $985 CAD

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
$122 CAD