Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG846659497

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846659497

Diamond specifications and retailer prices

From $1,216 USD
£958 GBP
As of October 24, 2026
2 retailers carry this diamond
Most expensive: $3,110 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846659497 or 846659497. Listed at 2 retailers as of October 24, 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

4.05
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846659497
Dimensions15.80 × 8.29 × 5.34 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.80 mm8.29 mm4.05 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846659497
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $3,110 USD|Low: $1,216 USD|High: $3,110 USD|Avg: $2,062 USD
Rare Carat
Retailer 2
October 24, 2026
Retailer 2$1,216 USD
Rare Carat$3,110 USD

5 data points across 2 retailers

2 retailers

A
Cheapest Retailer
-
$1,216 USD
£958 GBP
Most Expensive
B
Rare Carat
846659497 · Oct 21
$3,110 USD
View
Price last confirmed 8 days ago
1 more retailer has this diamond
Prices start from $1,216 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
4.05ct Marquise
$1,216 USD