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Cushion|Lab Grown|IGI

3.50ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG780615747

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780615747

Diamond specifications and retailer prices

From €662 EUR
£582 GBP
As of October 29, 2026
Save €2,203 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,864 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780615747 or 780615747. Listed at 10 retailers as of October 29, 2026, with prices from €662 to €2,864, a €2,203 spread on the same certified stone. Brilliant Earth lists it at €2,864. 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

3.50
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780615747
Dimensions8.78 × 8.27 × 5.23 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.78 mm8.27 mm3.50 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780615747
Side View
Table 66.0%Crown 32.1°Girdle: VTK-ETKPavilion 31.5°Culet: NoneDepth 63.2%

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: Oct 29
Current: €2,864 EUR|Low: €658 EUR|High: €2,963 EUR|Avg: €1,451 EUR|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4€662 EUR
Retailer 5€703 EUR
Retailer 10€750 EUR
Retailer 3€900 EUR
Retailer 2€935 EUR
Retailer 7€1,014 EUR
Retailer 9€1,843 EUR
Retailer 8€2,160 EUR
Retailer 6€2,434 EUR
Brilliant Earth€2,864 EUR

18 data points across 10 retailers

10 retailers€662 EUR to €2,864 EUR

A
Cheapest Retailer
-
€662 EUR
£582 GBP
A
Retailer 2
-
€703 EUR
$785 USD
View
B+
Retailer 3
-
€750 EUR
$838 USD
View
A
Retailer 4
-
€900 EUR
£792 GBP
View
A
Retailer 5
-
€935 EUR
View
A
Retailer 6
-
€1,014 EUR
$1,133 USD
View
B+
Retailer 7
-
€1,843 EUR
SGD 2,782 SGD
View
B
Retailer 8
-
€2,160 EUR
$2,413 USD
View
B
Retailer 9
-
€2,434 EUR
£2,141 GBP
View
Most Expensive
B
Brilliant Earth
20121743A · Oct 31
€2,864 EUR
$3,200 USD
View
9 more retailers have this diamond
Prices start from €662 EURSave up to €2,203 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
3.50ct Cushion
€662 EUR