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Marquise|Lab Grown|IGI

3.05ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG840655662

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840655662

Diamond specifications and retailer prices

From $639 AUD
As of November 4, 2026
Save $563 AUD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,757 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG840655662 or 840655662. Listed at 3 retailers as of November 4, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655662
Dimensions14.31 × 7.63 × 4.81 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
14.31 mm7.63 mm3.05 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655662
Side View
Table 60.0%Crown 36.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $4,757 AUD|Low: $639 AUD|High: $4,807 AUD|Avg: $2,469 AUD|-1.0%
Rare Carat
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$639 AUD
Retailer 2$1,201 AUD
Rare Carat$4,757 AUD

32 data points across 3 retailers

3 retailers$639 AUD to $1,201 AUD

A
Cheapest Retailer
-
$639 AUD
Final sale: no returns
A
Retailer 2
-
$1,201 AUD
View
Most Expensive
Rare Carat
840655662 · Oct 28
$4,757 AUD
$3,330 USD
View
Price last confirmed 8 days ago
2 more retailers have this diamond
Prices start from $639 AUDSave up to $563 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
3.05ct Marquise
$639 AUD