Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG843686230

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843686230

Diamond specifications and retailer prices

From $682 USD
As of October 29, 2026
Save $4,488 USD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,170 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG843686230 or 843686230. Listed at 4 retailers as of October 26, 2026, with prices from $682 to $5,170, a $4,488 spread on the same certified stone. Brilliant Earth lists it at $5,170. 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 angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843686230
Dimensions15.96 × 8.39 × 5.28 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.96 mm8.39 mm4.05 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843686230
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°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 29
Current: $5,170 USD|Low: $682 USD|High: $5,690 USD|Avg: $2,984 USD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$682 USD
Retailer 2$1,167 USD
Retailer 4$3,105 USD
Brilliant Earth$5,170 USD

19 data points across 4 retailers

4 retailers$682 USD to $5,170 USD

A
Cheapest Retailer
-
$682 USD
Final sale: no returns
A
Retailer 2
-
$1,167 USD
£919 GBP
View
B+
Retailer 3
-
$3,105 USD
View
Most Expensive
B
Brilliant Earth
21807277A · Oct 26
$5,170 USD
View
3 more retailers have this diamond
Prices start from $682 USDSave up to $4,488 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
$682 USD