Cushion|Lab Grown|IGI

4.09ct F SI2 Cushion Lab Grown Diamond

EX • F/SI2 • IGI LG733518333

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

Certificate IGI LG733518333

Diamond specifications and retailer prices

From €882 EUR
$989 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: €2,038 EUR at Rare Carat · As of August 31, 2026
View at Rare Carat

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733518333 or 733518333. Listed at 2 retailers as of November 2, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.09
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733518333
Dimensions9.52 × 9.49 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.52 mm9.49 mm4.09 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733518333
Side View
Table 65.0%Crown 32.7°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,038 EUR|Low: €882 EUR|High: €2,785 EUR|Avg: €1,395 EUR|-26.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
August 18, 2026
Retailer 3€882 EUR
Retailer 4€1,009 EUR
Retailer 5€1,096 EUR
Rare Carat€2,038 EUR
Retailer 2€2,143 EUR

33 data points across 5 retailers

2 retailers

A
Cheapest Retailer
-
€882 EUR
$989 USD
Most Expensive
Rare Carat
LVX01-110D · Aug 31
€2,038 EUR
$2,286 USD
View
Price last confirmed 63 days ago
1 more retailer has this diamond
Prices start from €882 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
4.09ct Cushion
€882 EUR