CaratHunter
Plans
Marquise|Lab Grown|IGI

1.31ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG801682744

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682744

Diamond specifications and retailer prices

From $549 CAD
€374 EUR
As of October 27, 2026
Save $1,310 CAD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,859 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682744 or 801682744. Listed at 16 retailers as of October 27, 2026, with prices from $549 to $1,859, a $1,310 spread on the same certified stone. Brilliant Earth lists it at $1,859. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682744
Dimensions11.67 × 5.57 × 3.55 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm5.57 mm1.31 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682744
Side View
Table 61.0%Crown 32.4°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 63.7%

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 27
Current: $1,859 CAD|Low: $293 CAD|High: $1,998 CAD|Avg: $908 CAD|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 11$293 CAD
Retailer 6$549 CAD
Retailer 2$560 CAD
Retailer 5$588 CAD
Retailer 10$697 CAD
Retailer 8$781 CAD
Retailer 3$809 CAD
Retailer 4$1,062 CAD
Retailer 12$1,124 CAD
Retailer 7$1,526 CAD
Retailer 9$1,615 CAD
Brilliant Earth$1,859 CAD

33 data points across 12 retailers

16 retailers$549 CAD to $1,859 CAD

Retailer 1
-
$288 CAD
$206 USD
Price last confirmed 25 days ago
Retailer 2
-
$334 CAD
$239 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$358 CAD
$256 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$549 CAD
€374 EUR
View
A
Retailer 5
-
$560 CAD
ZAR 6,475 ZAR
View
Retailer 6
-
$588 CAD
£332 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
$697 CAD
$499 USD
View
Retailer 8
-
$781 CAD
$559 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$809 CAD
$579 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,062 CAD
$760 USD
View
B
Retailer 11
-
$1,124 CAD
$804 USD
View
Retailer 12
-
$1,150 CAD
$823 USD
View
Price last confirmed 33 days ago
Retailer 13
-
$1,526 CAD
£860 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
$1,615 CAD
$1,156 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,859 CAD
$1,330 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20576385A · Oct 28
$1,859 CAD
$1,330 USD
View
15 more retailers have this diamond
Prices start from $549 CADSave up to $1,310 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
1.31ct Marquise
$549 CAD