Marquise|Lab Grown|IGI

3.79ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812613839

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812613839

Diamond specifications and retailer prices

From $680 CAD
$487 USD
As of October 31, 2026
Save $605 CAD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,959 CAD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 3.79ct lab-grown marquise diamond

This 3.79ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812613839 or 812613839. Listed at 4 retailers as of October 31, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.79
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812613839
Dimensions16.26 × 8.13 × 5.11 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.26 mm8.13 mm3.79 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812613839
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°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: Oct 31
Current: $4,959 CAD|Low: $671 CAD|High: $5,113 CAD|Avg: $2,999 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$680 CAD
Retailer 2$1,286 CAD
Retailer 4$4,421 CAD
Brilliant Earth$4,959 CAD

36 data points across 4 retailers

4 retailers$680 CAD to $1,286 CAD

A
Cheapest Retailer
-
$680 CAD
$487 USD
Final sale: no returns
A
Retailer 2
-
$1,286 CAD
£725 GBP
View
Retailer 3
-
$4,421 CAD
$3,165 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
21263085A · Oct 22
$4,959 CAD
$3,550 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from $680 CADSave up to $605 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
3.79ct Marquise
$680 CAD