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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG837615313

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837615313

Diamond specifications and retailer prices

From $666 CAD
$477 USD
As of November 2, 2026
Save $902 CAD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,568 CAD at Novita Diamonds · As of October 29, 2026
View at Novita Diamonds

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837615313 or 837615313. Listed at 6 retailers as of October 29, 2026, with prices from $666 to $1,568, a $902 spread on the same certified stone. Novita Diamonds lists it at $1,568. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615313
Dimensions12.55 × 6.30 × 4.04 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.30 mm1.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615313
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 64.1%

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 2
Current: $1,568 CAD|Low: $666 CAD|High: $1,568 CAD|Avg: $841 CAD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$666 CAD
Retailer 6$710 CAD
Retailer 4$778 CAD
Retailer 7$858 CAD
Retailer 2$876 CAD
Retailer 3$911 CAD
Novita Diamonds$1,568 CAD

13 data points across 7 retailers

6 retailers$666 CAD to $1,568 CAD

A
Cheapest Retailer
-
$666 CAD
$477 USD
B+
Retailer 2
-
$710 CAD
$508 USD
View
A
Retailer 3
-
$778 CAD
$557 USD
View
A
Retailer 4
-
$788 CAD
$564 USD
View
A
Retailer 5
-
$911 CAD
€621 EUR
View
Most Expensive
B+
Novita Diamonds
cert_837615313 · Oct 29
$1,568 CAD
A$1,727 AUD
View
5 more retailers have this diamond
Prices start from $666 CADSave up to $902 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
1.78ct Marquise
$666 CAD