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 $989 AUD
$695 USD
As of October 29, 2026
4 retailers carry this diamond
Most expensive: $7,844 AUD 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 29, 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
Colour
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: $7,844 AUD|Low: $989 AUD|High: $8,542 AUD|Avg: $4,232 AUD|-8.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 23, 2026
Retailer 4$989 AUD
Retailer 2$1,680 AUD
Retailer 3$4,420 AUD
Brilliant Earth$7,844 AUD

16 data points across 4 retailers

4 retailers

A
Cheapest Retailer
-
$989 AUD
$695 USD
Final sale: no returns
Retailer 2
-
$1,680 AUD
£929 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$4,420 AUD
$3,105 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21704328A · Oct 23
$7,844 AUD
$5,510 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from $989 AUD

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
$989 AUD