Marquise|Lab Grown|IGI

3.79ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812634795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812634795

Diamond specifications and retailer prices

From $505 USD
As of November 1, 2026
Save $3,045 USD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,550 USD at Brilliant Earth · As of October 28, 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 LG812634795 or 812634795. Listed at 4 retailers as of October 28, 2026, with prices from $505 to $3,550, a $3,045 spread on the same certified stone. Brilliant Earth lists it at $3,550. 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 angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812634795
Dimensions16.60 × 8.09 × 4.99 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.60 mm8.09 mm3.79 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812634795
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,550 USD|Low: $505 USD|High: $3,660 USD|Avg: $2,265 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$505 USD
Retailer 2$969 USD
Retailer 4$3,175 USD
Brilliant Earth$3,550 USD

38 data points across 4 retailers

4 retailers$505 USD to $3,550 USD

A
Cheapest Retailer
-
$505 USD
Final sale: no returns
A
Retailer 2
-
$969 USD
£763 GBP
View
B
Retailer 3
-
$3,175 USD
View
Most Expensive
B
Brilliant Earth
21263702A · Oct 28
$3,550 USD
View
3 more retailers have this diamond
Prices start from $505 USDSave up to $3,045 USD

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
$505 USD