Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG842615552

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842615552

Diamond specifications and retailer prices

From $695 USD
As of October 29, 2026
Save $4,815 USD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,510 USD at Brilliant Earth · As of October 23, 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 LG842615552 or 842615552. Listed at 4 retailers as of October 23, 2026, with prices from $695 to $5,510, a $4,815 spread on the same certified stone. Brilliant Earth lists it at $5,510. 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 angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842615552
Dimensions16.60 × 8.32 × 5.16 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
16.60 mm8.32 mm4.05 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842615552
Side View
Table 61.0%Crown 34.4°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $5,510 USD|Low: $695 USD|High: $6,000 USD|Avg: $2,972 USD|-8.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 23, 2026
Retailer 4$695 USD
Retailer 2$1,180 USD
Retailer 3$3,105 USD
Brilliant Earth$5,510 USD

16 data points across 4 retailers

4 retailers$695 USD to $5,510 USD

A
Cheapest Retailer
-
$695 USD
Final sale: no returns
A
Retailer 2
-
$1,180 USD
£929 GBP
View
B+
Retailer 3
-
$3,105 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21704328A · Oct 23
$5,510 USD
View
3 more retailers have this diamond
Prices start from $695 USDSave up to $4,815 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
$695 USD