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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG582360738

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG582360738

Diamond specifications and retailer prices

From €445 EUR
As of November 4, 2026
Save €3,851 EUR (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,296 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion 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 LG582360738 or 582360738. Listed at 14 retailers as of November 3, 2026, with prices from €445 to €4,296, a €3,851 spread on the same certified stone. Brilliant Earth lists it at €4,296. 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 angle34.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582360738
Dimensions8.38 × 8.34 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.38 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582360738
Side View
Table 61.0%Crown 34.8°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €4,296 EUR|Low: €445 EUR|High: €4,296 EUR|Avg: €1,090 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 5€445 EUR
Retailer 8€547 EUR
Retailer 9€621 EUR
Retailer 13€757 EUR
Retailer 4€760 EUR
Retailer 3€773 EUR
Retailer 6€807 EUR
Retailer 12€963 EUR
Retailer 7€1,042 EUR
Retailer 11€1,073 EUR
Retailer 10€1,180 EUR
Retailer 2€1,805 EUR
Brilliant Earth€4,296 EUR

31 data points across 13 retailers

14 retailers€445 EUR to €4,296 EUR

A
Cheapest Retailer
-
€445 EUR
Final sale: no returns
A
Retailer 2
-
€547 EUR
View
A
Retailer 3
-
€621 EUR
View
A
Retailer 4
-
€757 EUR
View
B+
Retailer 5
-
€773 EUR
View
A
Retailer 6
-
€807 EUR
View
A
Retailer 7
-
€963 EUR
View
A
Retailer 8
-
€1,042 EUR
View
A
Retailer 9
-
€1,073 EUR
View
A
Retailer 10
-
€1,180 EUR
View
B+
Retailer 11
-
€1,613 EUR
View
B+
Retailer 12
-
€1,761 EUR
View
B+
Retailer 13
-
€1,805 EUR
View
Most Expensive
B
Brilliant Earth
14086535A · Nov 3
€4,296 EUR
$4,840 USD
View
13 more retailers have this diamond
Prices start from €445 EURSave up to €3,851 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 Cushion
€445 EUR