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 €444 EUR
$494 USD
As of October 27, 2026
Save €1,005 EUR (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,449 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 27, 2026, with prices from €444 to €1,449, a €1,005 spread on the same certified stone. NZ Jewellers lists it at €1,449. 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: €444 EUR|Low: €427 EUR|High: €4,707 EUR|Avg: €1,256 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€444 EUR
Retailer 5€508 EUR
Retailer 7€551 EUR
Retailer 9€587 EUR
Retailer 3€611 EUR
Retailer 13€639 EUR
Retailer 11€774 EUR
Retailer 4€913 EUR
Retailer 10€1,041 EUR
Retailer 6€1,211 EUR
Retailer 12€1,629 EUR
Retailer 2€1,682 EUR
Retailer 14€2,068 EUR
Retailer 8€4,707 EUR

3 data points across 14 retailers

6 retailers€444 EUR to €1,449 EUR

A
Cheapest Retailer
-
€444 EUR
$494 USD
A
Retailer 2
-
€498 EUR
$554 USD
View
A
Retailer 3
-
€551 EUR
$613 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
€551 EUR
$613 USD
View
B+
Retailer 5
-
€1,425 EUR
£1,249 GBP
View
Most Expensive
B+
NZ Jewellers
2e40f88f-b4b0-4561-843f-b1598de75018 · Oct 28
€1,449 EUR
$1,613 USD
View
5 more retailers have this diamond
Prices start from €444 EURSave up to €1,005 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
€444 EUR