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 $487 USD
As of October 31, 2026
Save $433 USD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,550 USD 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: $3,550 USD|Low: $480 USD|High: $3,660 USD|Avg: $2,147 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$487 USD
Retailer 2$920 USD
Retailer 4$3,165 USD
Brilliant Earth$3,550 USD

36 data points across 4 retailers

4 retailers$487 USD to $920 USD

A
Cheapest Retailer
-
$487 USD
Final sale: no returns
A
Retailer 2
-
$920 USD
£725 GBP
View
Retailer 3
-
$3,165 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
21263085A · Oct 22
$3,550 USD
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from $487 USDSave up to $433 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
$487 USD