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Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG807604599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807604599

Diamond specifications and retailer prices

From $999 AUD
$702 USD
As of October 29, 2026
Save $7,101 AUD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,100 AUD at Brilliant Earth · As of October 24, 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 LG807604599 or 807604599. Listed at 5 retailers as of October 24, 2026, with prices from $999 to $8,100, a $7,101 spread on the same certified stone. Brilliant Earth lists it at $8,100. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807604599
Dimensions15.69 × 8.34 × 15.69 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm8.34 mm4.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807604599
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,100 AUD|Low: $642 AUD|High: $8,599 AUD|Avg: $2,862 AUD|-5.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 11$642 AUD
Retailer 4$999 AUD
Retailer 8$1,253 AUD
Retailer 7$1,671 AUD
Retailer 2$1,707 AUD
Retailer 6$2,309 AUD
Retailer 3$2,548 AUD
Retailer 10$2,929 AUD
Retailer 9$3,510 AUD
Retailer 5$4,427 AUD
Brilliant Earth$8,100 AUD

33 data points across 11 retailers

5 retailers$999 AUD to $8,100 AUD

A
Cheapest Retailer
-
$999 AUD
$702 USD
Final sale: no returns
A
Retailer 2
-
$1,707 AUD
£944 GBP
View
Retailer 3
-
$4,295 AUD
View
Price last confirmed 118 days ago
Retailer 4
-
$4,427 AUD
$3,110 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20145913A · Oct 24
$8,100 AUD
$5,690 USD
View
4 more retailers have this diamond
Prices start from $999 AUDSave up to $7,101 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
$999 AUD