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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 $880 NZD
$494 USD
As of October 27, 2026
Save $1,993 NZD (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,874 NZD 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 $880 to $2,874, a $1,993 spread on the same certified stone. NZ Jewellers lists it at $2,874. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $880 NZD|Low: $846 NZD|High: $9,335 NZD|Avg: $2,492 NZD|+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$880 NZD
Retailer 5$1,007 NZD
Retailer 7$1,092 NZD
Retailer 9$1,165 NZD
Retailer 3$1,211 NZD
Retailer 13$1,268 NZD
Retailer 11$1,535 NZD
Retailer 4$1,810 NZD
Retailer 10$2,065 NZD
Retailer 6$2,401 NZD
Retailer 12$3,231 NZD
Retailer 2$3,337 NZD
Retailer 14$4,101 NZD
Retailer 8$9,335 NZD

3 data points across 14 retailers

6 retailers$880 NZD to $2,874 NZD

A
Cheapest Retailer
-
$880 NZD
$494 USD
A
Retailer 2
-
$987 NZD
$554 USD
View
A
Retailer 3
-
$1,092 NZD
$613 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$1,092 NZD
$613 USD
View
B+
Retailer 5
-
$2,826 NZD
£1,249 GBP
View
Most Expensive
B+
NZ Jewellers
2e40f88f-b4b0-4561-843f-b1598de75018 · Oct 28
$2,874 NZD
$1,613 USD
View
5 more retailers have this diamond
Prices start from $880 NZDSave up to $1,993 NZD

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
$880 NZD