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Radiant|Lab Grown|IGI

3.09ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG645408018

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG645408018

Diamond specifications and retailer prices

From $702 AUD
$494 USD
As of October 27, 2026
Save $1,591 AUD (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,294 AUD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645408018 or 645408018. Listed at 6 retailers as of October 27, 2026, with prices from $702 to $2,294, a $1,591 spread on the same certified stone. NZ Jewellers lists it at $2,294. 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

3.09
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645408018
Dimensions10.39 × 7.13 × 4.79 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm7.13 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645408018
Side View
Table 64.0%Crown 40.1°Girdle: MediumPavilion 33.2°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $702 AUD|Low: $675 AUD|High: $7,451 AUD|Avg: $1,989 AUD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 8, 2026
Retailer 1$702 AUD
Retailer 5$804 AUD
Retailer 7$872 AUD
Retailer 9$930 AUD
Retailer 3$967 AUD
Retailer 13$1,012 AUD
Retailer 11$1,225 AUD
Retailer 4$1,445 AUD
Retailer 10$1,648 AUD
Retailer 6$1,917 AUD
Retailer 12$2,579 AUD
Retailer 2$2,663 AUD
Retailer 14$3,273 AUD
Retailer 8$7,451 AUD

3 data points across 14 retailers

6 retailers$702 AUD to $2,294 AUD

A
Cheapest Retailer
-
$702 AUD
$494 USD
A
Retailer 2
-
$788 AUD
$554 USD
View
A
Retailer 3
-
$872 AUD
$613 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$872 AUD
$613 USD
View
B+
Retailer 5
-
$2,255 AUD
£1,249 GBP
View
Most Expensive
B+
NZ Jewellers
2e40f88f-b4b0-4561-843f-b1598de75018 · Oct 28
$2,294 AUD
$1,613 USD
View
5 more retailers have this diamond
Prices start from $702 AUDSave up to $1,591 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
3.09ct Radiant
$702 AUD