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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG729555669

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG729555669

Diamond specifications and retailer prices

From €1,008 EUR
As of November 3, 2026
Save €3,296 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,305 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 LG729555669 or 729555669. Listed at 13 retailers as of November 3, 2026, with prices from €1,008 to €4,305, a €3,296 spread on the same certified stone. Brilliant Earth lists it at €4,305. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729555669
Dimensions8.62 × 8.36 × 5.61 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.36 mm3.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729555669
Side View
Table 65.0%Crown 34.9°Girdle: MED-THKPavilion 40°Culet: NoneDepth 67.1%

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 3
Current: €4,305 EUR|Low: €424 EUR|High: €4,553 EUR|Avg: €1,807 EUR|-5.5%
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
November 5, 2026
Retailer 14€594 EUR
Retailer 5€1,008 EUR
Retailer 13€1,009 EUR
Retailer 11€1,012 EUR
Retailer 7€1,017 EUR
Retailer 9€1,093 EUR
Retailer 10€1,387 EUR
Retailer 8€1,426 EUR
Retailer 4€1,906 EUR
Retailer 12€2,096 EUR
Retailer 3€2,111 EUR
Retailer 6€2,539 EUR
Retailer 2€2,845 EUR
Brilliant Earth€4,305 EUR

43 data points across 14 retailers

13 retailers€1,008 EUR to €4,305 EUR

A
Cheapest Retailer
-
€1,008 EUR
A
Retailer 2
-
€1,009 EUR
View
A
Retailer 3
-
€1,012 EUR
View
A
Retailer 4
-
€1,017 EUR
View
A
Retailer 5
-
€1,093 EUR
View
B+
Retailer 6
-
€1,387 EUR
View
A
Retailer 7
-
€1,426 EUR
View
Retailer 8
-
€1,906 EUR
View
Price last confirmed 17 days ago
B+
Retailer 9
-
€2,096 EUR
View
B+
Retailer 10
-
€2,111 EUR
View
B
Retailer 11
-
€2,539 EUR
View
B
Retailer 12
-
€2,845 EUR
View
Most Expensive
B
Brilliant Earth
15885426A · Nov 3
€4,305 EUR
$4,850 USD
View
12 more retailers have this diamond
Prices start from €1,008 EURSave up to €3,296 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
€1,008 EUR