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Marquise|Lab Grown|IGI

4.05ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG840654458

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840654458

Diamond specifications and retailer prices

From $995 AUD
As of November 3, 2026
Save $6,572 AUD (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,568 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840654458 or 840654458. Listed at 3 retailers as of October 28, 2026, with prices from $995 to $7,568, a $6,572 spread on the same certified stone. Rare Carat lists it at $7,568. 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
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840654458
Dimensions17.26 × 8.21 × 5.07 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.26 mm8.21 mm4.05 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840654458
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $7,568 AUD|Low: $995 AUD|High: $7,654 AUD|Avg: $4,038 AUD|-1.1%
Rare Carat
Retailer 2
Retailer 3
November 4, 2026
Retailer 3$995 AUD
Retailer 2$1,701 AUD
Rare Carat$7,568 AUD

30 data points across 3 retailers

3 retailers$995 AUD to $7,568 AUD

A
Cheapest Retailer
-
$995 AUD
Final sale: no returns
A
Retailer 2
-
$1,701 AUD
View
Most Expensive
B
Rare Carat
840654458 · Oct 28
$7,568 AUD
$5,285 USD
View
2 more retailers have this diamond
Prices start from $995 AUDSave up to $6,572 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
$995 AUD