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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 $2,421 SGD
€1,803 EUR
As of November 2, 2026
Save $4,280 SGD (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,701 SGD 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 $2,421 to $6,701, a $4,280 spread on the same certified stone. Brilliant Earth lists it at $6,701. 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
Colour
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: $6,701 SGD|Low: $2,366 SGD|High: $8,607 SGD|Avg: $4,750 SGD|-22.1%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 2$2,421 SGD
Retailer 3$3,643 SGD
Brilliant Earth$6,701 SGD

16 data points across 3 retailers

2 retailers$2,421 SGD to $6,701 SGD

B+
Cheapest Retailer
-
$2,421 SGD
€1,803 EUR
Most Expensive
B
Brilliant Earth
11123031Y · Nov 2
$6,701 SGD
$5,240 USD
View
1 more retailer has this diamond
Prices start from $2,421 SGDSave up to $4,280 SGD

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
$2,421 SGD