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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG828654239

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG828654239

Diamond specifications and retailer prices

From €479 EUR
As of November 4, 2026
Save €1,961 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,441 EUR at Brilliant Earth · As of November 4, 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 LG828654239 or 828654239. Listed at 15 retailers as of November 4, 2026, with prices from €479 to €2,441, a €1,961 spread on the same certified stone. Brilliant Earth lists it at €2,441. 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 angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828654239
Dimensions9.16 × 8.85 × 5.46 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm8.85 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828654239
Side View
Table 66.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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: Nov 4
Current: €2,441 EUR|Low: €446 EUR|High: €2,441 EUR|Avg: €1,145 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
Retailer 14
Retailer 15
November 5, 2026
Retailer 6€446 EUR
Retailer 9€479 EUR
Retailer 4€564 EUR
Retailer 14€579 EUR
Retailer 2€700 EUR
Retailer 12€704 EUR
Retailer 10€920 EUR
Retailer 11€940 EUR
Retailer 15€945 EUR
Retailer 3€1,420 EUR
Retailer 13€1,510 EUR
Retailer 8€1,681 EUR
Retailer 7€1,786 EUR
Retailer 5€1,864 EUR
Brilliant Earth€2,441 EUR

30 data points across 15 retailers

15 retailers€479 EUR to €2,441 EUR

Retailer 1
-
€446 EUR
Price last confirmed 11 days ago
A
Retailer 2
-
€479 EUR
View
A
Retailer 3
-
€564 EUR
View
B+
Retailer 4
-
€579 EUR
View
A
Retailer 5
-
€700 EUR
View
A
Retailer 6
-
€704 EUR
View
A
Retailer 7
-
€920 EUR
View
A
Retailer 8
-
€940 EUR
View
A
Retailer 9
-
€945 EUR
View
B+
Retailer 10
-
€1,420 EUR
View
B+
Retailer 11
-
€1,510 EUR
View
B+
Retailer 12
-
€1,681 EUR
View
Retailer 13
-
€1,786 EUR
View
Price last confirmed 28 days ago
B+
Retailer 14
-
€1,864 EUR
View
Most Expensive
B
Brilliant Earth
21721451A · Nov 4
€2,441 EUR
$2,750 USD
View
14 more retailers have this diamond
Prices start from €479 EURSave up to €1,961 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
€479 EUR