Marquise|Lab Grown|IGI

2.78ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG843617385

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843617385

Diamond specifications and retailer prices

From $567 CAD
$406 USD
As of October 30, 2026
3 retailers carry this diamond
Most expensive: $6,202 CAD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 2.78ct lab-grown marquise diamond

This 2.78ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843617385 or 843617385. Listed at 3 retailers as of October 30, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843617385
Dimensions14.63 × 7.20 × 4.62 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.63 mm7.20 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843617385
Side View
Table 59.0%Crown 37.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $6,202 CAD|Low: $567 CAD|High: $6,202 CAD|Avg: $3,196 CAD
Brilliant Earth
Retailer 2
Retailer 3
October 25, 2026
Retailer 3$567 CAD
Retailer 2$1,160 CAD
Brilliant Earth$6,202 CAD

16 data points across 3 retailers

3 retailers

A
Cheapest Retailer
-
$567 CAD
$406 USD
Final sale: no returns
Retailer 2
-
$1,160 CAD
£654 GBP
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21744590A · Oct 25
$6,202 CAD
$4,440 USD
View
Price last confirmed 7 days ago
2 more retailers have this diamond
Prices start from $567 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
2.78ct Marquise
$567 CAD