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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 $971 AUD
$682 USD
As of October 29, 2026
Save $6,389 AUD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,360 AUD 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 $971 to $7,360, a $6,389 spread on the same certified stone. Brilliant Earth lists it at $7,360. 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 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

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: $7,360 AUD|Low: $971 AUD|High: $8,100 AUD|Avg: $4,207 AUD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$971 AUD
Retailer 2$1,666 AUD
Retailer 4$4,420 AUD
Brilliant Earth$7,360 AUD

20 data points across 4 retailers

4 retailers$971 AUD to $7,360 AUD

A
Cheapest Retailer
-
$971 AUD
$682 USD
Final sale: no returns
A
Retailer 2
-
$1,666 AUD
£921 GBP
View
B+
Retailer 3
-
$4,420 AUD
$3,105 USD
View
Most Expensive
B
Brilliant Earth
21807277A · Oct 26
$7,360 AUD
$5,170 USD
View
3 more retailers have this diamond
Prices start from $971 AUDSave up to $6,389 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
$971 AUD