Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG831621343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831621343

Diamond specifications and retailer prices

From $551 CAD
$394 USD
As of November 1, 2026
Save $1,190 CAD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,872 CAD at MOH London · As of October 19, 2026
View at MOH London

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831621343 or 831621343. Listed at 7 retailers as of October 31, 2026, with a 216% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621343
Dimensions12.39 × 5.94 × 3.57 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.39 mm5.94 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621343
Side View
Table 63.0%Crown 33°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 60.1%

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 1
Current: $1,872 CAD|Low: $538 CAD|High: $1,885 CAD|Avg: $1,124 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$551 CAD
Retailer 7$567 CAD
Retailer 3$808 CAD
Retailer 2$816 CAD
Retailer 5$1,670 CAD
Retailer 6$1,740 CAD
MOH London$1,872 CAD

25 data points across 7 retailers

7 retailers$551 CAD to $1,740 CAD

A
Cheapest Retailer
-
$551 CAD
$394 USD
B+
Retailer 2
-
$567 CAD
$406 USD
View
A
Retailer 3
-
$808 CAD
ZAR 9,336 ZAR
View
A
Retailer 4
-
$816 CAD
£460 GBP
View
B
Retailer 5
-
$1,670 CAD
$1,195 USD
View
B
Retailer 6
-
$1,740 CAD
$1,245 USD
View
Most Expensive
MOH London
LG831621343 · Oct 19
$1,872 CAD
£1,055 GBP
View
Price last confirmed 14 days ago
6 more retailers have this diamond
Prices start from $551 CADSave up to $1,190 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
1.50ct Marquise
$551 CAD