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Marquise|Lab Grown|IGI

1.40ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG797685407

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797685407

Diamond specifications and retailer prices

From $668 CAD
As of November 5, 2026
Save $883 CAD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,550 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797685407 or 797685407. Listed at 2 retailers as of November 4, 2026, with prices from $668 to $1,550, a $883 spread on the same certified stone. Brilliant Earth lists it at $1,550. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797685407
Dimensions11.14 × 5.93 × 3.73 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.14 mm5.93 mm1.40 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797685407
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,550 CAD|Low: $557 CAD|High: $1,628 CAD|Avg: $979 CAD|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6$557 CAD
Retailer 3$571 CAD
Retailer 2$668 CAD
Retailer 7$679 CAD
Retailer 4$1,007 CAD
Retailer 5$1,168 CAD
Brilliant Earth$1,550 CAD
Retailer 8$1,628 CAD

39 data points across 8 retailers

2 retailers$668 CAD to $1,550 CAD

A
Cheapest Retailer
-
$668 CAD
Most Expensive
B
Brilliant Earth
19402259A · Nov 4
$1,550 CAD
$1,110 USD
View
1 more retailer has this diamond
Prices start from $668 CADSave up to $883 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
1.40ct Marquise
$668 CAD