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Cushion|Lab Grown|IGI

4.47ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG575376109

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG575376109

Diamond specifications and retailer prices

From €1,688 EUR
As of November 2, 2026
Save €2,984 EUR (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €4,672 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.47ct lab-grown cushion diamond

This 4.47ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG575376109 or 575376109. Listed at 2 retailers as of November 2, 2026, with prices from €1,688 to €4,672, a €2,984 spread on the same certified stone. Brilliant Earth lists it at €4,672. 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

4.47
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575376109
Dimensions10.94 × 8.96 × 6.09 mm
L/W Ratio1.22
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
10.94 mm8.96 mm4.47 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575376109
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €4,672 EUR|Low: €1,650 EUR|High: €6,000 EUR|Avg: €3,311 EUR|-22.1%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 2€1,688 EUR
Retailer 3€2,540 EUR
Brilliant Earth€4,672 EUR

16 data points across 3 retailers

2 retailers€1,688 EUR to €4,672 EUR

B+
Cheapest Retailer
-
€1,688 EUR
Most Expensive
B
Brilliant Earth
11123031Y · Nov 2
€4,672 EUR
$5,240 USD
View
1 more retailer has this diamond
Prices start from €1,688 EURSave up to €2,984 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.

B+
4.47ct Cushion
€1,688 EUR