Marquise|Lab Grown|IGI

0.31ct H SI1 Marquise Lab Grown Diamond

GD • H/SI1 • IGI LG544242229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544242229

Diamond specifications and retailer prices

From $122 CAD
$87 USD
As of November 2, 2026
Save $987 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,109 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 SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG544242229 or 544242229. Listed at 11 retailers as of October 29, 2026, with prices from $122 to $1,109, a $987 spread on the same certified stone. MOH London lists it at $1,109. 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
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242229
Dimensions7.24 × 3.41 × 2.10 mm
L/W Ratio2.12
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
7.24 mm3.41 mm0.31 ctH / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG544242229
Side View
Table 65.5%Crown 38.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,109 CAD|Low: $116 CAD|High: $1,740 CAD|Avg: $502 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6$122 CAD
Retailer 9$140 CAD
Retailer 10$159 CAD
Retailer 11$159 CAD
Retailer 2$237 CAD
Retailer 4$286 CAD
Retailer 8$318 CAD
Retailer 5$385 CAD
Retailer 12$464 CAD
Retailer 7$482 CAD
MOH London$1,109 CAD
Retailer 3$1,740 CAD

19 data points across 12 retailers

11 retailers$122 CAD to $1,109 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 8 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
C
Retailer 10
-
$482 CAD
$345 USD
View
Most Expensive
C
MOH London
LG544242229 · Oct 29
$1,109 CAD
£625 GBP
View
10 more retailers have this diamond
Prices start from $122 CADSave up to $987 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