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Marquise|Lab Grown|IGI

1.71ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG811683879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811683879

Diamond specifications and retailer prices

From $608 CAD
$435 USD
As of November 1, 2026
Save $1,209 CAD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,817 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown marquise diamond

This 1.71ct 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 LG811683879 or 811683879. Listed at 6 retailers as of October 29, 2026, with prices from $608 to $1,817, a $1,209 spread on the same certified stone. MOH London lists it at $1,817. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811683879
Dimensions12.59 × 6.05 × 3.91 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.59 mm6.05 mm1.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811683879
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.6%

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: $1,817 CAD|Low: $608 CAD|High: $1,830 CAD|Avg: $1,094 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$608 CAD
Retailer 5$845 CAD
Retailer 2$855 CAD
Retailer 4$935 CAD
Retailer 6$1,522 CAD
MOH London$1,817 CAD

40 data points across 6 retailers

6 retailers$608 CAD to $1,817 CAD

B+
Cheapest Retailer
-
$608 CAD
$435 USD
A
Retailer 2
-
$845 CAD
$605 USD
View
A
Retailer 3
-
$855 CAD
£482 GBP
View
A
Retailer 4
-
$935 CAD
$669 USD
View
B+
Retailer 5
-
$1,522 CAD
$1,089 USD
View
Most Expensive
B+
MOH London
LG811683879 · Oct 29
$1,817 CAD
£1,024 GBP
View
5 more retailers have this diamond
Prices start from $608 CADSave up to $1,209 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
1.71ct Marquise
$608 CAD