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 €442 EUR
$494 USD
As of October 30, 2026
Save €1,002 EUR (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,444 EUR 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 28, 2026, with prices from €442 to €1,444, a €1,002 spread on the same certified stone. NZ Jewellers lists it at €1,444. 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
Color
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 30
Current: €442 EUR|Low: €425 EUR|High: €4,690 EUR|Avg: €1,252 EUR|+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€442 EUR
Retailer 5€506 EUR
Retailer 7€549 EUR
Retailer 9€585 EUR
Retailer 3€609 EUR
Retailer 13€637 EUR
Retailer 11€771 EUR
Retailer 4€909 EUR
Retailer 10€1,037 EUR
Retailer 6€1,207 EUR
Retailer 12€1,623 EUR
Retailer 2€1,677 EUR
Retailer 14€2,061 EUR
Retailer 8€4,690 EUR

3 data points across 14 retailers

6 retailers€442 EUR to €1,444 EUR

A
Cheapest Retailer
-
€442 EUR
$494 USD
A
Retailer 2
-
€496 EUR
$554 USD
View
Retailer 3
-
€549 EUR
$613 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€549 EUR
$613 USD
View
B+
Retailer 5
-
€1,420 EUR
£1,249 GBP
View
Most Expensive
B+
NZ Jewellers
2e40f88f-b4b0-4561-843f-b1598de75018 · Oct 28
€1,444 EUR
$1,613 USD
View
5 more retailers have this diamond
Prices start from €442 EURSave up to €1,002 EUR

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
€442 EUR