Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG804624307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804624307

Diamond specifications and retailer prices

From $819 AUD
£453 GBP
As of October 27, 2026
Save $5,403 AUD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,221 AUD at Brilliant Earth · As of October 29, 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 LG804624307 or 804624307. Listed at 22 retailers as of October 27, 2026, with prices from $819 to $6,221, a $5,403 spread on the same certified stone. Brilliant Earth lists it at $6,221. 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 angle32.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804624307
Dimensions17.12 × 8.41 × 4.93 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.12 mm8.41 mm4.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804624307
Side View
Table 63.0%Crown 32.7°Girdle: THN-MEDPavilion 39.3°Culet: NoneDepth 58.6%

Caratlytics Score

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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 27
Current: $6,221 AUD|Low: $789 AUD|High: $6,221 AUD|Avg: $2,509 AUD
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 9$789 AUD
Retailer 18$819 AUD
Retailer 7$881 AUD
Retailer 22$883 AUD
Retailer 12$978 AUD
Retailer 13$1,057 AUD
Retailer 20$1,182 AUD
Retailer 17$1,426 AUD
Retailer 8$1,429 AUD
Retailer 10$1,508 AUD
Retailer 19$1,515 AUD
Retailer 6$2,187 AUD
Retailer 3$2,303 AUD
Retailer 5$2,571 AUD
Retailer 14$2,907 AUD
Retailer 2$3,055 AUD
Retailer 4$3,148 AUD
Retailer 16$4,247 AUD
Retailer 21$4,249 AUD
Retailer 15$4,285 AUD
Retailer 11$4,420 AUD
Brilliant Earth$6,221 AUD

26 data points across 22 retailers

22 retailers$819 AUD to $6,221 AUD

Retailer 1
-
$789 AUD
$554 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$819 AUD
£453 GBP
View
A
Retailer 3
-
$881 AUD
$619 USD
View
Final sale: no returns
A
Retailer 4
-
$883 AUD
$620 USD
View
A
Retailer 5
-
$978 AUD
$687 USD
View
A
Retailer 6
-
$1,057 AUD
HK$5,800 HKD
View
A
Retailer 7
-
$1,182 AUD
$830 USD
View
A
Retailer 8
-
$1,426 AUD
€954 EUR
View
A
Retailer 9
-
$1,429 AUD
$1,004 USD
View
B+
Retailer 10
-
$1,508 AUD
$1,059 USD
View
A
Retailer 11
-
$1,515 AUD
£838 GBP
View
A
Retailer 12
-
$2,187 AUD
$1,536 USD
View
A
Retailer 13
-
$2,303 AUD
$1,618 USD
View
A
Retailer 14
-
$2,571 AUD
$1,806 USD
View
Retailer 15
-
$2,907 AUD
£1,608 GBP
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$3,055 AUD
SGD 2,900 SGD
View
B+
Retailer 17
-
$3,148 AUD
$2,211 USD
View
B+
Retailer 18
-
$4,247 AUD
$2,983 USD
View
B+
Retailer 19
-
$4,249 AUD
£2,350 GBP
View
Retailer 20
-
$4,285 AUD
View
Price last confirmed 22 days ago
B+
Retailer 21
-
$4,420 AUD
$3,105 USD
View
Most Expensive
B
Brilliant Earth
20052332A · Oct 29
$6,221 AUD
$4,370 USD
View
21 more retailers have this diamond
Prices start from $819 AUDSave up to $5,403 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
$819 AUD